LLM Gatewayclaude-haikuClaude Haiku 4.5 (Vertex AI (Anthropic))vertex-anthropic/claude-haiku-4-5LLM GatewayReleased Oct 15, 2025200,000 token context windowIn $1.00 · Out $5.00ReasoningTool callingStructured outputAttachmentsTemp controlsInputtextimagepdfOutputtext