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
High
Claude Fable 5
High
GPT-5.5
High
GLM-5.2
High
Intelligence Index79.682.280.775.8
Cost / typical task$0.26$0.54$0.097$0.021
$/M in · out$5 · $25$10 · $50$1.25 · $10$0.60 · $2.20
Context window1M1M400K200K
Median speed55 tok/s65 tok/s140 tok/s95 tok/s
MMLU-Pro87.789.788.785.6
GPQA Diamond85.887.886.881.6
Humanity's Last Exam29.336.134.125.0
AIME 202589.392.293.185.6
SWE-bench Verified78.880.876.874.7
LiveCodeBench81.884.783.778.6
τ²-bench83.885.883.879.7
IFEval92.893.892.889.5

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