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.

MetricKimi K2 Thinking
Low
DeepSeek-V3.2
Low
GPT-5.5
Low
Claude Opus 4.8
Low
Intelligence Index54.160.969.468.6
Cost / typical task$0.0043$0.0007$0.012$0.037
$/M in · out$0.60 · $2.50$0.28 · $0.42$1.25 · $10$5 · $25
Context window256K128K400K1M
Median speed50 tok/s60 tok/s140 tok/s55 tok/s
MMLU-Pro76.880.385.484.5
GPQA Diamond57.264.873.072.2
Humanity's Last Exam15.617.228.724.6
AIME 202542.656.167.965.1
SWE-bench Verified52.459.467.168.8
LiveCodeBench56.965.273.171.4
τ²-bench56.162.671.471.4
IFEval81.384.090.290.2

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