Supported LLM Models - APIXO

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`

For pricing and route availability, use the APIXO pricing page as the source of truth.

Configure Third-party Apps Claude API