Claude Haiku 4.5
active
Anthropic2025-10-15
Specifications
Modalities
text
image
Context Window200K tokens
Max Output64K tokens
Training Cutoff2025-07-01
Open SourceNo
Pricing (per 1M tokens)
Input$1.0000
Output$5.0000
Cache Read$0.1000
Benchmarks
Arena score (text)1415
Arena ratings: LMArena leaderboard dataset, CC BY 4.0, snapshot 2026-10-28.
MMLU-Pro-
SWE-Bench-
GPQA Diamond-
HumanEval-
ARC-AGI-
MATH-
API
Model ID
claude-haiku-4-5-20251001Sources
- Anthropic: Models overview
general · as of 2026-07-04
- Anthropic: Pricing
pricing · as of 2026-07-04
- LMArena: Arena leaderboard dataset, text_style_control overall: Claude Haiku 4.5 (20251001)
elo rating · as of 2026-10-28