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.

MetricClaude Opus 4.8
Medium
Claude Fable 5
Medium
GLM-5.2
Medium
Grok 4.1
Medium
Intelligence Index75.578.069.970.2
Cost / typical task$0.090$0.19$0.0072$0.057
$/M in · out$5 · $25$10 · $50$0.60 · $2.20$3 · $15
Context window1M1M200K256K
Median speed55 tok/s65 tok/s95 tok/s90 tok/s
MMLU-Pro86.788.783.483.4
GPQA Diamond81.082.874.876.6
Humanity's Last Exam27.634.022.927.3
AIME 202580.082.671.873.3
SWE-bench Verified75.277.169.366.6
LiveCodeBench78.080.872.973.8
τ²-bench79.181.073.071.3
IFEval92.193.188.288.2

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