Claude Haiku 3
Legacy model retained for compatibility with older integrations
- Context window
- 200K tokens in · 4.1K out
The Claude Haiku line
4 releases in the Claude Haiku line.
Claude Haiku 3Mar 13, 2024223dClaude Haiku 3.5Oct 22, 2024358dClaude Haiku 4.5Oct 15, 2025357dClaude Haiku 5.5Oct 7, 2026
A newer release is out: Claude Haiku 5.5.
BENCHMARKS
Not in the Epoch Capabilities Index. Epoch benchmarks what it can run, so this is a gap in coverage, not a poor result.
Anthropic's past year
12 release days in the past year, about one every 30 days. The next is expected around Nov 10, 2026. Forecasts ↗
NovDecJanFebMarAprMayJunJulAugSepOctNov
Specifications
RELEASE DATEMar 13, 2024
WEIGHTSClosed weights
CONTEXT WINDOW200K
MAX OUTPUT4.1K
REASONINGNot listed
TOOL CALLINGNot listed
INPUTStext, image/jpeg, image/png, image/gif, image/webp, application/pdf
OUTPUTStext
Specifications and prices from Models.dev; availability and limits may differ by provider. Benchmarks from Epoch AI (CC BY 4.0), LiveBench and the other sources named above.