3 docs tagged with "llm translation"

Adds Claude 3.7 Sonnet thinking and reasoning_content support across Anthropic, Bedrock, Vertex AI and OpenRouter. Also adds GPT-4.5 preview cost tracking.

Fixes Anthropic thinking responses on streaming so they return the signature block. Moves the field from signature_delta to signature to match Anthropic.

Adds /openai/ passthrough for Assistants, Bedrock Claude tool and response_format fixes and PDF input flags for Bedrock Claude.