Claude Haiku 4.5
Anthropic closed 2025-10-15
Legacy
Killed
Claude Haiku 4.5 is killed. The executioner, Claude Haiku 5.5, costs $0.20 and scores 43.4: no more expensive, no weaker. Choosing Claude Haiku 4.5 means paying more for nothing.
- Score
- 16.9
- Artificial Analysis Intelligence Index
- Best rank
- #118
- Arena — Code
- Price
- $2.00
- Blended Price, USD per 1M tokens (3:1 input:output)
No longer listed as current by its source, so this page shows only the verdict and its scores.
Scores on each board Each rank is the board’s own: the rank it publishes, or the model’s place in the board’s own order where it publishes none. The bar shows how much of that board the model ranks ahead of. Scores from different boards cannot be compared.
- Artificial Analysis LLM LeaderboardArtificial Analysis Intelligence Index16.9No. 137 of 375
- HarnessTax — SWE-bench LiteSWE-bench Lite60.0%No. 6 of 7
- HarnessTax — Terminal-Bench 2.0Terminal-Bench 2.047.8%No. 7 of 7
- Arena — CodeOverall1330No. 118 of 142
- Arena — TextOverall (style control)1414No. 142 of 414
Compare with the executioner, Claude Haiku 5.5 → See the current SOTA models →
Details
- Family
- Claude → Claude Haiku
- Blended Price, USD per 1M tokens (3:1 input:output)
- $2.00
- Sources
- 6 boards ·12 scores ·7 settings
- Also written as
-
Claude 4.5 Haikuclaude-4-5-haikuclaude-haiku-4-5Claude Haiku 4.5