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Models

Use documented model IDs in requests. Aliases are accepted for common model names, but exact IDs are best for automation and reproducible routing.

Claude, Opus 5, and Fable 5

Claude models use Anthropic-compatible routes. Opus 5 follows the current Opus routing policy, while Fable 5 uses its Anthropic-compatible ID and OpenAI-backed route.

ModelFamilyEndpoints
anthropic/claude-opus-5.5Opus 5.5/v1/messages, /v1/chat/completions
anthropic/claude-opus-5Opus 5/v1/messages, /v1/chat/completions
anthropic/claude-sonnet-5Sonnet 5/v1/messages, /v1/chat/completions
anthropic/claude-haiku-4.5Haiku 4.5/v1/messages, /v1/chat/completions
anthropic/fable-5Fable 5/v1/messages, /v1/chat/completions, /v1/responses

GPT

GPT models use OpenAI provider routes and are available through OpenAI-compatible endpoints.

ModelFamilyEndpoints
openai/gpt-6.1-solGPT-6.1 Sol/v1/chat/completions, /v1/responses
openai/gpt-6-solGPT-6 Sol/v1/chat/completions, /v1/responses
openai/gpt-6-astraGPT-6 Astra/v1/chat/completions, /v1/responses
openai/gpt-6-lunaGPT-6 Luna/v1/chat/completions, /v1/responses

Open model groups

Open model-group IDs route through the configured external/open provider paths for the matching route.

ModelFamily
z-ai/glm-5.3GLM 5.3
z-ai/glm-5.3-flashGLM 5.3 Flash
z-ai/glm-5.2GLM 5.2
z-ai/glm-5-turboGLM 5 Turbo
minimax/minimax-m3MiniMax M3
deepseek/deepseek-v4-proDeepSeek V4 Pro
deepseek/deepseek-v4-flashDeepSeek V4 Flash

Endpoint compatibility

EndpointSupported families
/v1/messagesClaude, Opus 5, Fable 5, open model groups
/v1/chat/completionsClaude, Opus 5, Fable 5, GPT, open model groups
/v1/responsesFable 5, GPT, open model groups
/v1/modelsAll documented models available to the authenticated key

Send the first request.

Create a key, choose a compatible endpoint, and use the SDK you already have.