Claude 3.5 Haiku
/v1/messagesClaude 3.5 Haiku features offers enhanced capabilities in speed, coding accuracy, and tool use. Engineered to excel in real-time applications, it delivers quick response times that are essential for dynamic tasks such as chat interactions and immediate coding suggestions.
Request body
Parameters supported by this model. Values, defaults, and limits are read from the model registry.
Model identifier. Set to anthropic/claude-3.5-haiku.
Default: anthropic/claude-3.5-haiku
Conversation messages in system, user, or assistant order.
Maximum number of tokens the model may generate in the response.
Range: −∞ to 8192
Sampling temperature. Lower values are more deterministic; higher values are more creative.
Range: 0 to 2
Default: 1
Nucleus sampling threshold. Use this or temperature, but usually not both.
Range: 0 to 1
When true, returns incremental Server-Sent Events instead of one completed response.
Default: false
Tool definitions that the model may call during the response.
Controls whether the model may call a tool and, when supported, which tool it must call.
Sequences that stop generation when the model produces one of them.
Request parameter supported by this model.
Range: 0 to ∞
Response Schema
Fields returned by this model API response.
Assistant content blocks.
Unique message identifier.
Model that generated the message.
Message role returned by the assistant.
Reason generation stopped.
Response object type.
Model capabilities
Capabilities declared by the model registry.
Default: chat, vision, function_calling
Maximum context window accepted by this model.
Default: 200000 tokens
Execution mode declared by the model registry.
Default: sync

