Older models removed from the model docs; GPT-6 Astra and DeepSeek V4 Pro added

The following models are no longer listed in the Agent API model docs, pricing calculator, or examples Anthropic: anthropic/claude-opus-4-8 , anthropic/claude-opus-4-7 , anthropic/claude-opus-4-6 , anthropic/claude-opus-4-5 , anthropic/claude-sonnet-4-6 , anthropic/claude-sonnet-4-5 , and anthropic/claude-haiku-4-5 Google: google/gemini-3-flash-preview , google/gemini-3.1-pro-preview , google/gemini-3.1-flash-lite , google/gemini-3.5-flash , and google/gemini-3.5-flash-lite xAI: xai/grok-4.3 , xai/grok-4.20-reasoning , xai/grok-4.20-non-reasoning , and xai/grok-4.20-multi-agent For new integrations, use anthropic/claude-opus-5-5 , anthropic/claude-sonnet-5-5 , anthropic/claude-haiku-5-5 , google/gemini-4-argon , google/gemini-3.8-flash , or xai/grok-4.7 .

The model docs now also list openai/gpt-6-astra ($10.00 per million input tokens and $50.00 per million output tokens up to 272k input tokens, with flex and priority tiers) and perplexity/deepseek-v4-pro-0813 ($1.32 per million input tokens, $0.044 per million cached input tokens, and $3.96 per million output tokens), which is also available through the Orchestrator API.

See the Agent API Models reference .