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.

MetricGLM-5.2
Low
Claude Opus 4.8
Low
Claude Sonnet 5
Low
GPT-5.5
Minimal
Intelligence Index61.368.662.462.4
Cost / typical task$0.0032$0.037$0.019$0.0072
$/M in · out$0.60 · $2.20$5 · $25$3 · $15$1.25 · $10
Context window200K1M1M400K
Median speed95 tok/s55 tok/s80 tok/s140 tok/s
MMLU-Pro80.884.580.382.8
GPQA Diamond63.872.265.664.1
Humanity's Last Exam19.524.618.825.2
AIME 202553.465.154.953.4
SWE-bench Verified61.668.862.760.8
LiveCodeBench64.871.466.066.3
τ²-bench63.971.465.863.6
IFEval85.590.286.988.3

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