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.

MetricGPT-5.5
Medium
Claude Sonnet 5
Medium
Grok 4.1
Medium
Intelligence Index76.671.170.2
Cost / typical task$0.032$0.042$0.057
$/M in · out$1.25 · $10$3 · $15$3 · $15
Context window400K1M256K
Median speed140 tok/s80 tok/s90 tok/s
MMLU-Pro87.782.983.4
GPQA Diamond81.977.076.6
Humanity's Last Exam32.222.027.3
AIME 202583.473.873.3
SWE-bench Verified73.370.566.6
LiveCodeBench79.974.273.8
τ²-bench79.175.271.3
IFEval92.189.688.2

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