Skip to contentAnthropic · Claude Haiku 4 Claude Haiku 4.5
CurrentStale ·
The fastest current Claude model with near-frontier intelligence, a 200k-token context window, and extended thinking support.
profile normalized against the 88-model field
Context window· 200K of 10M2%
Max output· 64K of 384K17%
Affordability· $5.00 / Mtok out97%
Capability breadth· 1 of 119%
Capability switches · 1 of 11
Reasoning mode
Tool / function use
Streaming
JSON mode
Structured outputs
Prompt caching
Fine-tuning
Web search
Code execution
Vision input
Audio input
Specifications
Every value carries a primary source and a verification date.
Pricing
Input $/Mtok$1.00 / MTok USD/Mtok
Cached input $/Mtok$1.25 / MTok (5m cache write) USD_per_MTok
Output $/Mtok$5.00 / MTok USD/Mtok
Capabilities
Input modalities["image","text"]
Output modalities["text"]
Reasoning modeAdaptive thinking: No; Extended thinking: Yes
Vision inputVision supported
API
API model IDclaude-haiku-4-5-20251001 (alias: claude-haiku-4-5)
General
Knowledge cutoffFebruary 2025
Benchmarks
Sourced evaluation scores, each verified against its primary source.
SWE-bench Verified
Claude Haiku 4.5: 0.733 (73.3%)