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anthropic
anthropicAnthropic: Claude Haiku 4.5
Claude Haiku 4.5 is Anthropic’s fastest and most efficient model, delivering near-frontier intelligence at a fraction of the cost and latency of larger Claude models. Matching Claude Sonnet 4’s performance...
anthropic/claude-haiku-4.5
Context Size
200K
Input Price
150,000 pts/M
Output Price
750,000 pts/M
Architecture
Text
Image
File
Supported Parameters
include_reasoningmax_tokensreasoningresponse_formatstopstructured_outputstemperaturetool_choicetoolstop_ktop_p
Details
TokenizerClaude
Max Completion64,000 tokens
Provider Context200K tokens
ModeratedYes
CreatedOct 15, 2025