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Claude Haiku 4.5 (Nonthinking)

Release Date: Oct 15, 2025

Developer Anthropic 🇺🇸
Context Window 200k
Max Output Tokens 64k
Token Costs (in/out) $1.00/5.00
Weights Private
Input Modalities

Accuracy

54.26 %

Avg. Cost (In/Out)

$ 1.00 / $ 5.00

Latency

5 min 37 s

Vals Index
BenchmarksAccuracyRankings
Public Benefits Bench v1.1

0.0%

±1.30
23/30
Proprietary BenchmarksAcademic BenchmarksIndustry Partners
Vals
Default Provider : Anthropic
Temperature: 1
Top P: Default
Top K: Default
Max Output Tokens: 64,000