Fast, low-cost Haiku-tier model preceding Haiku 4.5, now legacy. Offers a 200k-token context window with vision and tool use at the standard Haiku price of $1/$5 per million tokens.
profile normalized against the 47-model field
Context window· 200K of 1.05M19%
Max output· 64K of 272K24%
Output speed· 128 tok/s40%
Affordability—
Capability breadth· 3 of 1127%
Capability switches · 3 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.
Capacity
Context window
200K
Max output
64K
Performance
Output speed
128 tok/s tok/s
Time to first token
420 ms ms
Capabilities
Input modalities
Text, image
Output modalities
Text
Reasoning mode
No
Tool / function use
Yes
Prompt caching
Yes
Vision input
Yes
API
API model ID
claude-haiku-4-4
Batch API
Yes
General
Knowledge cutoff
February 2025
Benchmarks
Sourced evaluation scores, each verified against its primary source.
GPQA Diamond
Claude Haiku 4.4 reaches GPQA Diamond: 68.4%.
68.4 %Verified
SWE-bench Verified
On SWE-bench Verified, Claude Haiku 4.4 scores 58.2%.