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-5.6 Luna
Medium
Claude Sonnet 5
Medium
GPT-5.5
Medium
Intelligence Index67.171.176.6
Cost / typical task$0.013$0.042$0.098
$/M in · out$1 · $6$3 · $15$5 · $30
Context window1.05M1M400K
Median speed230 tok/s80 tok/s140 tok/s
MMLU-Pro81.582.987.7
GPQA Diamond72.277.081.9
Humanity's Last Exam21.122.032.2
AIME 202568.673.883.4
SWE-bench Verified64.870.573.3
LiveCodeBench71.174.279.9
τ²-bench68.675.279.1
IFEval88.289.692.1

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