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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.

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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

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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

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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

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Where the model name goes

Compatible APIField or path
Claude APIRequest body model
OpenAI Responses APIRequest body model
Gemini APIURL path /v1beta/models/{model}:generateContent
For pricing and route availability, use the APIXO pricing page as the source of truth.