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

# Supported LLM Models

> Current Claude, OpenAI, and Gemini model ids for APIXO LLM Gateway

Use these model ids with the compatible API format you are calling. To switch models, keep the same base URL and API key, then change the model id.

## Claude models

Use these in the Claude Messages request body `model` field.

| Model id                              |
| ------------------------------------- |
| `claude-opus-4-7`                     |
| `claude-opus-4-6`                     |
| `claude-opus-4-6-thinking`            |
| `claude-opus-4-5-20251101`            |
| `claude-opus-4-5-20251101-thinking`   |
| `claude-sonnet-4-6`                   |
| `claude-sonnet-4-6-thinking`          |
| `claude-sonnet-4-5-20250929`          |
| `claude-sonnet-4-5-20250929-thinking` |
| `claude-haiku-4-5-20251001`           |
| `claude-haiku-4-5-20251001-thinking`  |

## OpenAI Responses models

Use these in the OpenAI Responses request body `model` field.

| Model id       |
| -------------- |
| `gpt-5.4`      |
| `gpt-5.4-pro`  |
| `gpt-5.4-mini` |
| `gpt-5.4-nano` |
| `gpt-5.2`      |
| `gpt-5.1`      |

## Gemini models

Use these in the Gemini URL path: `/v1beta/models/{model}:generateContent`.

| Model id                        |
| ------------------------------- |
| `gemini-3.1-pro-preview`        |
| `gemini-3.1-flash-lite-preview` |
| `gemini-3-pro-preview`          |
| `gemini-3-flash-preview`        |
| `gemini-2.5-pro`                |
| `gemini-2.5-flash`              |
| `gemini-2.5-flash-lite`         |

## Where the model name goes

| Compatible API       | Field or path                                     |
| -------------------- | ------------------------------------------------- |
| Claude API           | Request body `model`                              |
| OpenAI Responses API | Request body `model`                              |
| Gemini API           | URL path `/v1beta/models/{model}:generateContent` |

<Info>
  For pricing and route availability, use the [APIXO pricing page](https://apixo.ai/pricing) as the source of truth.
</Info>