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 Sonnet 5
High
GPT-5.5
X-High
Grok 4.1
X-High
GLM-5.2
X-High
Intelligence Index77.282.379.078.5
Cost / typical task$0.12$0.27$0.49$0.055
$/M in · out$3 · $15$1.25 · $10$3 · $15$0.60 · $2.20
Context window1M400K256K200K
Median speed80 tok/s140 tok/s90 tok/s95 tok/s
MMLU-Pro85.089.086.086.0
GPQA Diamond84.089.087.085.0
Humanity's Last Exam24.035.031.026.0
AIME 202588.097.094.092.0
SWE-bench Verified76.078.074.077.0
LiveCodeBench80.085.082.081.0
τ²-bench82.086.081.083.0
IFEval91.093.090.090.0

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