models.fyi

Side by side, same effort tier

Pick up to four models. Every column is evaluated at the tier you choose (resolved to the nearest tier each model supports), so the comparison is what you'd actually deploy.

MetricGrok 4.1
Medium
GPT-5.5
Medium
Kimi K2 Thinking
Medium
Claude Sonnet 5
Medium
Intelligence Index70.276.665.771.1
Cost / typical task$0.057$0.032$0.011$0.042
$/M in · out$3 · $15$1.25 · $10$0.60 · $2.50$3 · $15
Context window256K400K256K1M
Median speed90 tok/s140 tok/s50 tok/s80 tok/s
MMLU-Pro83.487.781.082.9
GPQA Diamond76.681.972.777.0
Humanity's Last Exam27.332.219.922.0
AIME 202573.383.466.373.8
SWE-bench Verified66.673.362.670.5
LiveCodeBench73.879.967.974.2
τ²-bench71.379.169.375.2
IFEval88.292.184.889.6

Hover a benchmark name for what it measures — full plain-language guide on /benchmarks· preview data.