> ## Documentation Index
> Fetch the complete documentation index at: https://docs.aihubmix.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Modèles d'IA gratuits sur AIHubMix

> Modèles d'IA gratuits : le guide ultime pour construire avec une IA à coût zéro en 2026 sur AIHubMix

<Frame>
  <img src="https://mintcdn.com/aihubmix/KfVPdfHEI_4FVLQw/images/blogs/free-ai-models.webp?fit=max&auto=format&n=KfVPdfHEI_4FVLQw&q=85&s=e71162ce89bb921c7414ddd93a5528dc" alt="Modèles d'IA gratuits sur AIHubMix : accès gratuit aux grands modèles populaires" width="2400" height="1260" data-path="images/blogs/free-ai-models.webp" />
</Frame>

**Les API d'IA gratuites sont le moyen le plus rapide d'expédier des fonctionnalités d'IA en 2026** — mais la plupart des plateformes « gratuites » exigent une carte de crédit, font expirer les essais ou imposent des plafonds d'utilisation surprises. AIHubMix adopte une approche différente : une passerelle unifiée compatible OpenAI avec **plus de 27 modèles LLM et de génération d'images réellement gratuits** subventionnés par la plateforme, notamment GPT-5.5 et GPT-Image-2 d'OpenAI, Gemini 3 de Google, Zhipu GLM-5.1, Kimi, MiniMax et Xiaomi MiMo. Pas de carte de crédit. Pas d'expiration d'essai. Une seule clé API, tous les grands modèles.

## 🚀 Dernière mise à jour : GPT-5.5 et GPT-Image-2 sont désormais gratuits

AIHubMix s'engage à offrir une valeur maximale à ses utilisateurs. Dans cette mise à jour, les versions gratuites de deux des derniers modèles phares d'OpenAI — **GPT-5.5 et GPT-Image-2** — sont officiellement disponibles. L'API officielle d'OpenAI n'offrant pas d'accès gratuit à ces modèles, AIHubMix **continue d'investir pour subventionner les coûts d'inférence**, abaissant à zéro la barrière d'entrée aux modèles de premier plan.

[**GPT-5.5-free**](https://aihubmix.com/model/gpt-5.5-free)

Une mise à niveau complète en matière de profondeur de raisonnement, d'orchestration d'agent, d'utilisation d'outils, de génération de code et d'analyse de données — actuellement le modèle disponible le plus performant d'OpenAI. L'accès gratuit sur AIHubMix est le moyen le plus rapide de comparer GPT-5.5 à Claude Opus 4.6, Gemini 3.1 Pro et GLM-5.1 sans payer au jeton.

Exemples d'utilisation de l'API [**GPT-5.5-free**](https://aihubmix.com/model/gpt-5.5-free)

<CodeGroup>
  ```python Python theme={null}
  import openai

  client = openai.OpenAI(
      api_key="<AIHUBMIX_API_KEY>",  # Replace with the key generated in AIHubMix
      base_url="https://aihubmix.com/v1"
  )

  response = client.chat.completions.create(
      model="gpt-5.5-free",  # The reasoning depth of the model defaults to medium
      messages=[
          {"role": "user", "content": "Hello, how are you?"}
      ],
      temperature=0.7  # Default is 1
  )

  print(response.choices[0].message.content)
  ```

  ```python Responses-API theme={null}
  from openai import OpenAI

  client = OpenAI(
      api_key="<AIHUBMIX_API_KEY>",
      base_url="https://aihubmix.com/v1"
  )

  response = client.responses.create(
      model="gpt-5.5-free",
      input="Hello, how are you?"
  )

  print(response.output_text)
  ```

  ```typescript TypeScript theme={null}
  import OpenAI from "openai";

  const client = new OpenAI({
    apiKey: "<AIHUBMIX_API_KEY>",
    baseURL: "https://aihubmix.com/v1",
  });

  const response = await client.chat.completions.create({
    model: "gpt-5.5-free",
    messages: [{ role: "user", content: "Hello, how are you?" }],
    temperature: 0.7,
  });

  console.log(response.choices[0].message.content);
  ```

  ```bash Curl theme={null}
  curl https://aihubmix.com/v1/chat/completions \
    -H "Content-Type: application/json" \
    -H "Authorization: Bearer <AIHUBMIX_API_KEY>" \
    -d '{
      "model": "gpt-5.5-free",
      "messages": [{"role": "user", "content": "Hello, how are you?"}],
      "temperature": 0.7
    }'
  ```
</CodeGroup>

[**GPT-Image-2-free**](https://aihubmix.com/model/gpt-image-2-free)

Product photography, posters, avatars, illustrations, e-commerce assets, social media graphics, livestream thumbnails — all mainstream image generation use cases covered in one call, with output quality at commercial-grade level. The first OpenAI image model with built-in reasoning and \~99% character-level text rendering accuracy across Latin, CJK, Hindi, and other scripts.

**API Usage Examples**

<CodeGroup>
  ```python Python_generate theme={null}
  import base64

  from openai import OpenAI

  client = OpenAI(
      api_key="<AIHUBMIX_API_KEY>",  # Replace with the key generated in AIHubMix
      base_url="https://aihubmix.com/v1"
  )

  response = client.images.generate(
      model="gpt-image-2-free",
      prompt="A vase of flowers on a table, with intense contrasting colors and thick, expressive brushstrokes. Render the image so it looks painted in Fauvist style.",
      n=1,           # Number of images to generate, supports 1-10
      size="auto",   # Image size: 1024x1024, 1024x1536, 1536x1024, 4096x4096, auto (default)
      quality="auto" # Image quality: high, medium, low, auto (default)
  )

  image_bytes = base64.b64decode(response.data[0].b64_json)
  with open("output.png", "wb") as f:
      f.write(image_bytes)
  ```

  ```python Python_edit theme={null}
  import base64

  from openai import OpenAI

  client = OpenAI(
      api_key="<AIHUBMIX_API_KEY>",
      base_url="https://aihubmix.com/v1"
  )

  # Pass one or more reference images plus an editing prompt
  response = client.images.edit(
      model="gpt-image-2-free",
      image=[open("product.png", "rb")],   # Reference image(s) to edit / extend
      prompt="Change the background to a sunset beach scene, keep the product centered and unchanged.",
      n=1,
      size="1024x1024",
      quality="high"
  )

  image_bytes = base64.b64decode(response.data[0].b64_json)
  with open("edited.png", "wb") as f:
      f.write(image_bytes)
  ```

  ```bash Curl theme={null}
  curl https://aihubmix.com/v1/images/generations \
    -H "Content-Type: application/json" \
    -H "Authorization: Bearer <AIHUBMIX_API_KEY>" \
    -d '{
      "model": "gpt-image-2-free",
      "prompt": "A vase of flowers on a table, with intense contrasting colors and thick, expressive brushstrokes. Render the image so it looks painted in Fauvist style.",
      "n": 1,
      "size": "auto",
      "quality": "auto"
    }'
  ```

  ```python Python_response theme={null}
  import base64

  from openai import OpenAI

  client = OpenAI(
      api_key="<AIHUBMIX_API_KEY>",
      base_url="https://aihubmix.com/v1"
  )

  # Generate images via the Responses API with the image_generation tool
  response = client.responses.create(
      model="gpt-5.5-free",
      input="Generate an image of a vase of flowers on a table, Fauvist style with intense contrasting colors and thick, expressive brushstrokes.",
      tools=[{"type": "image_generation"}],
  )

  for item in response.output:
      if item.type == "image_generation_call":
          image_bytes = base64.b64decode(item.result)
          with open("output.png", "wb") as f:
              f.write(image_bytes)
          break
  ```
</CodeGroup>

<Card title="New User Bonus: After signing up, get 10 free calls each to free models including GPT-5.5 and GPT-Image-2. Top up to unlock more quota. Paying users: receive an additional 10 calls and a million-token top-up." icon="sparkles" />

***

## Why Use Free AI APIs in 2026?

Free AI model APIs unlock four concrete benefits that paid-only access cannot match:

* **Side-by-side model evaluation** — Compare GPT-5.5, Claude Opus 4.6, Gemini 3.1 Pro, GLM-5.1, and Kimi on the same prompts before committing to a paid plan.
* **Zero-cost prototyping** — Build proof-of-concept agents, chatbots, and automation pipelines without burning your credit card during the discovery phase.
* **Cost-aware production routing** — Route low-stakes traffic (batch summarization, log analysis, draft generation) to free models while reserving paid quota for revenue-critical paths.
* **Hobbyist and student access** — Indie developers, students, and side-project builders gain access to frontier models that would otherwise cost hundreds per month.

The catch with most "free LLM API" providers is fragmentation: Google AI Studio gives you Gemini, Groq gives you Llama, OpenRouter gives you a different mix every week, and each requires a separate account, API key, and rate-limit strategy. AIHubMix consolidates 27+ free models behind **one OpenAI-compatible endpoint** with automatic provider failover — drop-in replacement for any existing OpenAI SDK call.

***

## Complete Free Model Catalog (27+ Models, May 2026)

AIHubMix currently offers 27+ free models spanning major providers including OpenAI, Google, Zhipu, Kimi, MiniMax, and Xiaomi — and the lineup keeps growing as new models ship.

### General-Purpose Chat & Reasoning Models

Covering the GPT-4o and GPT-4.1 families plus Gemini Flash and domestic flagships — suited for everyday Q\&A, content generation, document analysis, and multilingual chat. `gpt-4o-free` supports mixed text-and-image input, `gemini-3-flash-preview-free` offers ultra-long context (1M+ tokens), and the rest balance speed and capability differently.

| Model                                                                                 | Context | Highlights                                          |
| :------------------------------------------------------------------------------------ | :------ | :-------------------------------------------------- |
| [gpt-4o-free](https://aihubmix.com/model/gpt-4o-free)                                 | 128K    | Multimodal, vision-capable                          |
| [gpt-4.1-free](https://aihubmix.com/model/gpt-4.1-free)                               | 1M      | Complex instruction following, long-form generation |
| [gpt-4.1-mini-free](https://aihubmix.com/model/gpt-4.1-mini-free)                     | 1M      | Balanced speed and capability                       |
| [gpt-4.1-nano-free](https://aihubmix.com/model/gpt-4.1-nano-free)                     | 1M      | Lightweight, high-frequency tasks                   |
| [gemini-3-flash-preview-free](https://aihubmix.com/model/gemini-3-flash-preview-free) | 1M+     | Ultra-long context, multimodal input                |
| [glm-4.7-flash-free](https://aihubmix.com/model/glm-4.7-flash-free)                   | 128K    | Fast response, multilingual support                 |
| [mimo-v2-flash-free](https://aihubmix.com/model/mimo-v2-flash-free)                   | 128K    | Low-latency conversation                            |
| [ling-2.6-flash-free](https://aihubmix.com/model/ling-2.6-flash-free)                 | 128K    | Strong contextual coherence                         |

### Free Coding Models (Largest Category)

The deepest category in the free tier — bringing together specialized coding model series from Kimi, MiniMax, Zhipu GLM, and Qwen. If you're searching for a **free GitHub Copilot alternative** or a **free Cursor backend**, this is where to start.

| Model                                                                           | Strength                                   |
| :------------------------------------------------------------------------------ | :----------------------------------------- |
| [kimi-for-coding-free](https://aihubmix.com/model/kimi-for-coding-free)         | Multi-file context, refactoring, debugging |
| [k2.6-code-preview-free](https://aihubmix.com/model/k2.6-code-preview-free)     | Algorithmic and systems-level code         |
| [coding-minimax-m2-free](https://aihubmix.com/model/coding-minimax-m2-free)     | MiniMax coding series                      |
| [coding-minimax-m2.1-free](https://aihubmix.com/model/coding-minimax-m2.1-free) | MiniMax coding series                      |
| [coding-minimax-m2.5-free](https://aihubmix.com/model/coding-minimax-m2.5-free) | MiniMax coding series                      |
| [coding-minimax-m2.7-free](https://aihubmix.com/model/coding-minimax-m2.7-free) | Latest MiniMax coding release              |
| [coding-glm-4.6-free](https://aihubmix.com/model/coding-glm-4.6-free)           | GLM coding series                          |
| [coding-glm-4.7-free](https://aihubmix.com/model/coding-glm-4.7-free)           | GLM coding series                          |
| [coding-glm-5-free](https://aihubmix.com/model/coding-glm-5-free)               | GLM-5, 745B MoE, Claude Opus 4.5 parity    |
| [coding-glm-5-turbo-free](https://aihubmix.com/model/coding-glm-5-turbo-free)   | GLM coding accelerated edition             |
| [coding-glm-5.1-free](https://aihubmix.com/model/coding-glm-5.1-free)           | **#1 on SWE-bench Pro (58.4%)**            |
| [step-3.5-flash-free](https://aihubmix.com/model/step-3.5-flash-free)           | Lightweight completion, low latency        |

### Free Image Generation Models

[**GPT-Image-2-free**](https://aihubmix.com/model/gpt-image-2-free)

OpenAI's next-generation image generation model released in April 2026, and its first image model with built-in reasoning. Before generating, it automatically plans composition, retrieves visual references from the web, and self-checks output — yielding noticeably better quality than GPT Image 1.5.

Supports up to **4096×4096 resolution**, generates roughly 2× faster than GPT Image 1.5, and produces up to 8 stylistically consistent images from a single prompt. Text rendering is a particular strength — covering Latin, CJK, Hindi, and other scripts with character-level accuracy of about 99%, making it ideal for posters, marketing assets, UI prototypes, and any scenario requiring precise typography.

[**gemini-3.1-flash-image-preview-free**](https://aihubmix.com/model/gemini-3.1-flash-image-preview-free) (Nano Banana 2)

Released by Google DeepMind in February 2026, combining Pro-level image quality with Flash-level speed — generating a 4K image in just 4–6 seconds. Unlike traditional image models, Nano Banana 2 integrates directly into the standard Chat Completions API, with no separate image endpoint required. Just describe what you need in conversation to generate an image, and continue editing across turns — for example, generate a product shot first, then change the background to a sunset scene with a single sentence. It also supports real-time visual grounding from the web, accurately rendering specific landmarks, branded products, and other real-world objects.

### Free Agent & Reasoning Models

Xiaomi's MiMo series is purpose-built for complex reasoning, function calling, and tool use — well-suited to autonomous agent workflows that require multi-step planning and chained tool execution.

| Model                                                                         | Highlights                                             |
| :---------------------------------------------------------------------------- | :----------------------------------------------------- |
| [xiaomi-mimo-v2-pro-free](https://aihubmix.com/model/xiaomi-mimo-v2-pro-free) | Advanced reasoning, function calling, 1T+ params       |
| [xiaomi-mimo-v2.5-free](https://aihubmix.com/model/xiaomi-mimo-v2.5-free)     | 1.02T params, 42B active, 1M context, 1000+ tool calls |

## Top 5 Free Models on AIHubMix 🔥

### [coding-glm-5.1-free](https://aihubmix.com/model/coding-glm-5.1-free) — Best Free Coding Model

Released by Zhipu AI in April 2026 with around 754B parameters. **GLM-5.1 became the first open-source model to top SWE-bench Pro at 58.4%** — surpassing GPT-5.4 (57.7%), Claude Opus 4.6 (57.3%), and Gemini 3.1 Pro (54.2%). Across 12 benchmarks covering reasoning, coding, agents, tool use, and browsing, it shows a balanced capability profile suited to demanding developer workflows. Via AIHubMix, it's a drop-in upgrade for any Cursor, Cline, Aider, or Claude Code setup at zero cost.

### [coding-glm-5-free](https://aihubmix.com/model/coding-glm-5-free) — Open-Source Code Powerhouse

GLM-5.1's predecessor: a 745B-parameter MoE architecture (44B active), released February 2026. Scored 77.8% on SWE-bench Verified, achieving open-source state-of-the-art on agent coding leaderboards including Terminal Bench 2.0, with overall coding ability on par with Claude Opus 4.5.

### [gpt-4.1-free](https://aihubmix.com/model/gpt-4.1-free) `Hot` — Best Free 1M-Context Model

> Context 1M · Latency 0.529s · Throughput 72 TPS · Free input and output

OpenAI's next-generation flagship released April 2025. Comprehensively surpasses GPT-4o on coding and instruction following — 54.6% SWE-bench Verified, 87.4% IFEval. The 1M ultra-long context is uniquely suited to large-scale document analysis, codebase understanding, and complex agent workflows. The free version is hosted on Azure, offering fast response and high stability.

### [xiaomi-mimo-v2-pro-free](https://aihubmix.com/model/xiaomi-mimo-v2-pro-free) `New` — Best Free Agent Model

> Context 256K · Latency 1.673s · Throughput 41 TPS · Free input and output

Xiaomi's large reasoning model — MoE architecture with over 1T total parameters and roughly 42B active during inference. Ranked **8th on the global Intelligence Index** (2nd among Chinese models). Coding capability surpasses Claude Sonnet 4.6, and overall agent capability approaches Opus 4.6 — making it a strong pick for complex code generation and long-chain multi-tool workflows.

### [xiaomi-mimo-v2.5-free](https://aihubmix.com/model/xiaomi-mimo-v2.5-free) — Strongest Free Open Reasoning Model

The current top of the MiMo series, with an Artificial Analysis Intelligence Index score of **54**. Built on a hybrid-attention MoE architecture (1.02T total / 42B active) with a **1M-token context window**. Improves comprehensively over V2-Pro on general agent capability, complex software engineering, and long-horizon tasks — supporting agent workflows with **1,000+ tool calls in a single session**.

***

## AIHubMix vs Openrouter

Which Free AI API Should You Pick?

If you've searched "free AI API," "OpenRouter alternative," or "free Claude API," you've likely seen a fragmented landscape. OpenRouter is the most-cited name in this category, but its free tier and AIHubMix's free tier solve fundamentally different problems — one optimizes for **breadth of open-source models**, the other for **access to frontier proprietary models without paying**.

### Where OpenRouter wins

* **Open-source variety** — if your work centers on DeepSeek, Llama 3.3, Qwen, or fine-tuned community models, OpenRouter's catalog is broader.
* **Random free-model routing** — the `openrouter/free` virtual model picks any available free open-source model, useful for cheap fallback chains.
* **Long-standing brand recognition** in the indie OSS community.

### Where AIHubMix wins

* **Free access to closed-source frontier models** — GPT-5.5, GPT-Image-2, Gemini 3, and Claude-class capability via GLM-5.1 are usable at \$0. OpenRouter's free tier deliberately excludes these.
* **Native Claude Code integration** — AIHubMix exposes both `/v1/chat/completions` (OpenAI format) and `/v1/messages` (Anthropic format with `anthropic-beta` and `anthropic-version` header forwarding). Drop in via `ANTHROPIC_BASE_URL` with no proxy or translation layer.
* **Image generation in the same gateway** — call GPT-Image-2 or Nano Banana 2 with the same API key you use for chat.
* **Multi-provider failover per model** — when one upstream throttles or degrades, requests transparently re-route, raising your effective ceiling beyond what a single-upstream gateway delivers.
* **Higher cumulative free quota** — daily caps spread across 27+ models, not a single 200-request bucket.

**When to pick AIHubMix:** you want OpenAI/Anthropic/Google flagship models for free, a single OpenAI-compatible endpoint, and image generation in the same gateway.

**When to pick OpenRouter:** you only need open-source models (Llama, DeepSeek, Qwen, Gemma) and prefer the broadest open-source catalog over frontier proprietary access.

## How to Get a Free AI Model API Key (3 Steps)

The full flow for accessing free models via AIHubMix:

1. **Sign up** at [aihubmix.com](https://aihubmix.com) — email or OAuth, no credit card.
2. **Create an API key** on the **API Keys** page. Format: `sk-...`
3. **Pick a model** from the [free model catalog](https://aihubmix.com/models) and start calling.

## Use Cases & Integrations

### Free Models in Claude Code (Anthropic CLI)

[Claude Code](https://docs.aihubmix.com/cn/api/Claude-Code) is Anthropic's official AI coding CLI, now a core part of many developer workflows. With a one-line environment variable, you can route Claude Code through AIHubMix and use **any free coding model as the backend** — no Anthropic billing required.

```bash theme={null}
export ANTHROPIC_BASE_URL="https://aihubmix.com"
export ANTHROPIC_AUTH_TOKEN="sk-YOUR_KEY"
claude
```

Practical routing strategy: hand off everyday code generation to [kimi-for-coding-free](https://aihubmix.com/model/kimi-for-coding-free) or [coding-glm-5.1-free](https://aihubmix.com/model/coding-glm-5.1-free), use [gpt-4.1-free](https://aihubmix.com/model/gpt-4.1-free) for documentation and comments, and let [xiaomi-mimo-v2-pro-free](https://aihubmix.com/model/xiaomi-mimo-v2-pro-free) handle planning and orchestration of complex tasks. The full dev-assist pipeline runs at zero inference cost. See the [Claude Code integration docs](https://docs.aihubmix.com/cn/api/Claude-Code) for setup details — also available directly on [Claude Desktop](https://docs.aihubmix.com/cn/api/claude-desktop).

### Free Models in Cursor, Cline, Aider, and Other AI Coding Editors

Any AI coding editor that supports a custom OpenAI-compatible endpoint works with AIHubMix free models. Configure `https://aihubmix.com/v1` as the base URL and pick a `*-free` model — drop-in replacement for paid GPT-5 or Claude usage in IDE assistants.

### Free Models in AI Agents & Autonomous Workflows

[OpenClaw](https://docs.aihubmix.com/cn/api/OpenClaw) — open-source autonomous AI agent platform released November 2025, currently with **3.2M+ users**. Supports nearly every mainstream messaging channel — WhatsApp, Telegram, Slack, Discord — letting AI agents execute tasks directly inside platforms users already work in. Through AIHubMix, both [xiaomi-mimo-v2-pro-free](https://aihubmix.com/model/xiaomi-mimo-v2-pro-free) and [coding-glm-5.1-free](https://aihubmix.com/model/coding-glm-5.1-free) work seamlessly as backend models with full support for function calling, multi-turn context, and structured output.

[Hermes Agent](https://docs.aihubmix.com/cn/api/hermes-agent-ai-hubmix) — NousResearch's agent framework, deeply optimized for tool use and structured JSON output. Its `execute_code` tool compresses multi-step pipelines into a single inference call, dramatically reducing round trips. Ideal for automation pipelines requiring strict JSON output — AIHubMix's automatic rate-limit rotation across providers ensures long-running tasks aren't interrupted when a single provider hits its quota.

### Free Models with Open-Source Clients

AIHubMix is an officially supported API provider for several popular open-source applications:

* **Desktop chat clients** — [Cherry Studio](https://docs.aihubmix.com/cn/clients/Cherry-Studio) is one of the most popular local AI chat clients, with a clean UI and convenient multi-model management. Select AIHubMix as the API provider to use GPT-4.1, Gemini Flash, GLM-5.1, and other free models in a desktop chat interface.
* **Multi-model proxy & translation** — [LiteLLM](https://docs.aihubmix.com/cn/clients/LiteLLM) provides unified call management and load balancing across multiple free models; [NextAI Translator](https://docs.aihubmix.com/cn/clients/NextAITranslator) supports free models for high-quality multilingual translation.
* **MCP / IDE integrations** — Claude Desktop, Continue, Open WebUI, and any tool that accepts an OpenAI-compatible endpoint.

***

## Rate Limits & Free Quota

Free models on AIHubMix operate under per-model rate limits expressed as **requests per minute (RPM)** and **daily token caps**. Specifics are listed on each model's page at [aihubmix.com/models](https://aihubmix.com/models). Compared to single-provider free tiers:

* **More headroom than OpenRouter** — multiple providers backing each model, with automatic failover when one upstream throttles.
* **Higher cumulative ceiling than Google AI Studio** — instead of 1,500 req/day on a single model, AIHubMix lets you spread traffic across 27+ free models.
* **No surprise expiry** — quotas reset daily; no 30-day trial cliff.

For production traffic, the recommended pattern is **paid quota for the critical path, free models for auxiliary workloads** (batch summarization, log enrichment, draft generation, non-revenue-critical features).

## FAQ

**Q: Why choose AIHubMix over OpenRouter, AIMLAPI, or Google AI Studio?**

A: AIHubMix offers a unified OpenAI-compatible API aggregating **500+ global models including 27+ continuously updated free models** — and unlike OpenRouter, the free tier includes frontier proprietary models like GPT-5.5, GPT-Image-2, and Gemini 3 (not just open-source). Paid models are priced more competitively. The platform is officially operated by AIHubMix, LLC (USA) with formal authorization from major cloud vendors — making it trustworthy on both stability and compliance.

**Q: Do I need a credit card to use AIHubMix free models?**

A: No. Sign up with email or OAuth, create an API key, and start calling. Free models are usable immediately without any payment method on file.

**Q: Do free models on AIHubMix have a time limit or trial expiry?**

A: No trial expiry. Free models remain available within their respective per-minute and daily quotas indefinitely. Limits are expressed as RPM and daily token caps — see each model's page for specifics.

**Q: Which free model offers the strongest overall coding capability?**

A: As of May 2026, [coding-glm-5.1-free](https://aihubmix.com/model/coding-glm-5.1-free) leads — its 58.4% SWE-bench Pro score surpasses GPT-5.4 (57.7%), Claude Opus 4.6 (57.3%), and Gemini 3.1 Pro (54.2%), making it the **first open-source model to top the SWE-bench Pro leaderboard**. [kimi-for-coding-free](https://aihubmix.com/model/kimi-for-coding-free) particularly excels at multi-file context understanding and code refactoring.

**Q: Are AIHubMix free models suitable for production?**

A: For moderate production traffic, yes — with careful quota planning. AIHubMix's automatic failover balances load across multiple providers, increasing effective available quota. For higher-traffic production scenarios, run core inference on paid quota and route auxiliary work (batch summarization, log analysis, non-critical paths) to free models for a cost/stability balance.

**Q: Can I use AIHubMix free models with the OpenAI Python or Node.js SDK?**

A: Yes — AIHubMix is fully OpenAI-compatible. Set `base_url` to `https://aihubmix.com/v1` and use any official OpenAI SDK, LangChain integration, LlamaIndex pipeline, or AI gateway. No code rewrite required.

**Q: Does AIHubMix support free image generation APIs?**

A: Yes. Free image generation includes **GPT-Image-2** (OpenAI's first reasoning-capable image model, up to 4096×4096) and **Nano Banana 2** (`gemini-3.1-flash-image-preview-free`, 4K in 4–6 seconds). Both are accessed through standard chat-completions or image endpoints — no separate billing or quota system.

***

## Get Started Today

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**Related guides:** [Claude Code setup](https://docs.aihubmix.com/cn/api/Claude-Code) · [Cherry Studio integration](https://docs.aihubmix.com/cn/clients/Cherry-Studio) · [LiteLLM gateway](https://docs.aihubmix.com/cn/clients/LiteLLM) · [OpenClaw agent platform](https://docs.aihubmix.com/cn/api/OpenClaw) · [Hermes Agent for structured output](https://docs.aihubmix.com/cn/api/hermes-agent-ai-hubmix)

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**References & Sources**

* [Introducing GPT-4.1 | OpenAI](https://openai.com/index/gpt-4-1/)
* [MiMo-V2-Pro | Xiaomi](https://mimo.xiaomi.com/mimo-v2-pro)
* [MiMo-V2.5-Pro | Xiaomi](https://mimo.xiaomi.com/mimo-v2-5-pro/)
* [GLM-5.1 | Hugging Face](https://huggingface.co/zai-org/GLM-5.1)
* [GLM-5.1 Overview | Z.AI Developer Docs](https://docs.z.ai/guides/llm/glm-5.1)
* [GLM-5.1 SWE-bench Pro Results | VentureBeat](https://venturebeat.com/technology/ai-joins-the-8-hour-work-day-as-glm-ships-5-1-open-source-llm-beating-opus-4)
* [GLM Coding Plan | Zhipu AI](https://www.bigmodel.cn/glm-coding)
* [OpenClaw | Official Docs](https://docs.openclaw.ai/)
* [Hermes Agent | Nous Research](https://hermes-agent.nousresearch.com/)
* [Claude Code LLM Gateway Docs | Anthropic](https://code.claude.com/docs/en/llm-gateway)

*Last updated: May 7, 2026*
