An
claude-haiku-4-5 Benchmark & Insights
Anthropic Claude API
Updated Jul 18, 2026 All models
Sample size
156 runs
in window
Accuracy
91.3%
consensus match · 160d
Confidence
92%
over 161 runs
Window end
Jul 18, 2026
most recent run
Input price
$1.00/MTok
prompt tokens
Output price
$5.00/MTok
completion tokens
Model insights
- 01 Beats claude-sonnet-5 and comes within striking distance of Opus at $1/$5, making it the family's value pick.
- 02 It tilts "optimistic" (13 under vs 1 over) and its misses are nearly all "low" against a "medium" consensus, plus one false "safe" on 2026-02-18.
Recent forecasts