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Get StartedAPI Reference

Inhabbit Router is an OpenAI-compatible AI model gateway providing unified access to GPT-5.5, Claude, Gemini and 80+ models through a single API endpoint — no vendor lock-in, full compatibility with existing clients.

Quick Start

curl https://llm.inhabbit.com/v1/messages
Terminal

Everything you need in one gateway.

Inhabbit Router consolidates access to the world's best AI models behind a single, reliable API — so you can focus on building, not integrations.

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OpenAI Compatible

Drop-in replacement — change your base URL, keep all your existing code.

80+ AI Models

GPT-5.5, Claude Sonnet 5, Gemini 3.5, DeepSeek V4 and more.

Streaming Support

Server-sent events streaming across all chat and completion endpoints.

Multi-Format API

OpenAI, Gemini, Anthropic native formats all supported.

Multimodal

Text, images, audio, and video — all through unified endpoints.

Simple Auth

Bearer token authentication, compatible with all OpenAI clients.

OpenAI Compatible

Drop-in replacement — change your base URL, keep all your existing code.

80+ AI Models

GPT-5.5, Claude Sonnet 5, Gemini 3.5, DeepSeek V4 and more.

Streaming Support

Server-sent events streaming across all chat and completion endpoints.

Multi-Format API

OpenAI, Gemini, Anthropic native formats all supported.

Multimodal

Text, images, audio, and video — all through unified endpoints.

Simple Auth

Bearer token authentication, compatible with all OpenAI clients.

OpenAI Compatible

Drop-in replacement — change your base URL, keep all your existing code.

80+ AI Models

GPT-5.5, Claude Sonnet 5, Gemini 3.5, DeepSeek V4 and more.

Streaming Support

Server-sent events streaming across all chat and completion endpoints.

Multi-Format API

OpenAI, Gemini, Anthropic native formats all supported.

Multimodal

Text, images, audio, and video — all through unified endpoints.

Simple Auth

Bearer token authentication, compatible with all OpenAI clients.

OpenAI Compatible

Drop-in replacement — change your base URL, keep all your existing code.

80+ AI Models

GPT-5.5, Claude Sonnet 5, Gemini 3.5, DeepSeek V4 and more.

Streaming Support

Server-sent events streaming across all chat and completion endpoints.

Multi-Format API

OpenAI, Gemini, Anthropic native formats all supported.

Multimodal

Text, images, audio, and video — all through unified endpoints.

Simple Auth

Bearer token authentication, compatible with all OpenAI clients.

Integrate in minutes.

Use your existing OpenAI SDK — just change the base URL to start accessing any AI model through Inhabbit Router.

from openai import OpenAI

client = OpenAI(
    api_key="sk-xxxxxx",
    base_url="https://llm.inhabbit.com/v1"
)

response = client.chat.completions.create(
    model="gpt-5.5",
    messages=[{"role": "user", "content": "Hello!"}]
)
print(response.choices[0].message.content)

Python SDK

Use the official OpenAI Python SDK — just point base_url to Inhabbit Router.

  • Zero code changes to your existing app
  • Streaming responses supported
  • Function calling & tool use
  • Vision and multimodal inputs
  • Async support with asyncio

Complete API Coverage.

Every capability, one endpoint.

Chat

Chat completions across formats

Completions

Prompt-based text completions

Embeddings

Text vector embeddings

Models

List available models

Provider Agnostic

Access models from OpenAI, Anthropic, Google, Alibaba and more — all through the same API, with the same auth token.

OpenAIAnthropicGoogle GeminiDeepSeekQwen

Multi-format native support.

Beyond OpenAI compatibility — use Gemini native format, Anthropic Messages API, or custom formats directly.

OpenAI Format

/v1/chat/completions

Gemini Native Format

/v1beta/models/{model}:generateContent

Anthropic Format

/v1/messages

Embeddings

/v1/embeddings

Models

/v1/models

Model Selector

gpt-5.5
Active
claude-sonnet-5
Active
gemini-3.5-flash
Active
deepseek-v4-pro
Active
Response
{
  "model": "claude-opus-4-8",
  "role": "assistant",
  "content": [{
    "type": "text",
    "text": "Hello! How can I help?"
  }],
  "stop_reason": "end_turn",
  "usage": { "output_tokens": 277 }
}

Comprehensive documentation.

Full API reference for every endpoint — parameters, schemas, code examples, and more.

Browse API Docs
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Chat Completions

POST /v1/chat/completions

Completions

POST /v1/completions

Embeddings

POST /v1/embeddings

Models

GET /v1/models

Start Building Today.

Up and running in seconds.

One API key, one base URL. Switch any OpenAI-compatible application to Inhabbit Router instantly — no rewrites required.

Read the DocsAPI Reference

Inhabbit Router

model as a service. powerful, simple, unified.

  • Always available.High availability infrastructure with automatic failover.
  • 80+ models.Access GPT-5.5, Claude Sonnet 5, Gemini 3.5, DeepSeek V4, and more.
  • OpenAI compatible.Works with every OpenAI SDK and client library — change one line of code.
  • Get StartedAPI Docs