An
claude-haiku-4-5 Benchmark & Insights
Anthropic Claude API
Updated Jun 6, 2026 All models
Sample size
79 runs
in window
Accuracy
93.8%
consensus match · 81d
Confidence
93%
over 81 runs
Window end
Jun 6, 2026
most recent run
Input price
$1.00/MTok
prompt tokens
Output price
$5.00/MTok
completion tokens
Model insights
- 01 The cheapest Claude delivers near-Opus accuracy at one-fifth the price over the second-longest record (79 days).
- 02 Its tilt is optimistic — 4 of 5 misses say "low" on consensus "medium" days, including the recent 2026-06-06 miss shared with opus-4-6.