benchgap
Calibration

SWE-bench Verified → SWE-bench Pro

SWE-bench Pro is estimated from SWE-bench Verified with a inverse Michaelis–Menten curve fitted on 45 models measured on both: y = 1.14763·(x − 0.1358) / (0.1358 + 2.0000 − x), R² = 0.95, cross-validated error 3.4 pp. It is used for 43 estimates.

Estimated modelSWE-bench VerifiedSWE-bench ProSource
Ember-192.2%74.3%estimated ± 3.4 pp, high confidence
Claude Sonnet 4.679.6%56.5%estimated ± 3.4 pp, high confidence
BTL-478.4%55.0%estimated ± 3.4 pp, high confidence
MiMo-V2-Pro78.0%54.5%estimated ± 3.4 pp, high confidence
Apodex 1.177.7%54.2%estimated ± 3.4 pp, high confidence
Mistral Medium 3.5 128B77.6%54.0%estimated ± 3.4 pp, high confidence
Claude Sonnet 4.577.2%53.5%estimated ± 3.4 pp, high confidence
MiMo-V2-Omni74.8%50.6%estimated ± 3.4 pp, high confidence
Claude 4.1 Opus74.5%50.3%estimated ± 3.4 pp, high confidence
Hy3 Preview74.4%50.1%estimated ± 3.4 pp, high confidence
Step 3.5 Flash74.4%50.1%estimated ± 3.4 pp, high confidence
GLM-4.773.8%49.4%estimated ± 3.4 pp, high confidence
MiMo-V2-Flash73.4%49.0%estimated ± 3.4 pp, high confidence
Claude Haiku 4.573.3%48.9%estimated ± 3.4 pp, high confidence
Claude 4 Sonnet72.7%48.2%estimated ± 3.4 pp, high confidence
MAI-Code-1.1-Flash72.6%48.0%estimated ± 3.4 pp, high confidence
Qwen3.5-27B72.4%47.8%estimated ± 3.4 pp, high confidence
Qwen3.5-122B-A10B72.0%47.3%estimated ± 3.4 pp, high confidence
Nemotron 3 Ultra71.9%47.2%estimated ± 3.4 pp, high confidence
Grok Code Fast 170.8%46.0%estimated ± 3.4 pp, high confidence
Solar Pro 470.6%45.8%estimated ± 3.4 pp, high confidence
Solar Open 270.4%45.5%estimated ± 3.4 pp, high confidence
Qwen3.5-35B-A3B69.2%44.2%estimated ± 3.4 pp, high confidence
K-EXAONE 2.068.2%43.1%estimated ± 3.4 pp, high confidence
DeepSeek V3.166.0%40.8%estimated ± 3.4 pp, high confidence
Kimi K265.8%40.5%estimated ± 3.4 pp, high confidence
GPT-OSS 120B62.4%37.1%estimated ± 3.4 pp, high confidence
Ternary Bonsai 2 27B60.8%35.5%estimated ± 3.4 pp, high confidence
GPT-OSS 20B60.7%35.4%estimated ± 3.4 pp, high confidence
Nemotron 3 Super 100B60.5%35.1%estimated ± 3.4 pp, high confidence
GLM-4.7-Flash59.2%33.9%estimated ± 3.4 pp, high confidence
MiniMax M1 80k56.0%30.9%estimated ± 3.4 pp, high confidence
GPT-4.154.6%29.6%estimated ± 3.4 pp, high confidence
ZAYA1-74B-Preview53.2%28.3%estimated ± 3.4 pp, high confidence
Nemotron 3.5 Lightning 30B A3B NVFP452.8%28.0%estimated ± 3.4 pp, high confidence
K-Exaone49.4%25.0%estimated ± 3.4 pp, high confidence
o3-mini49.3%25.0%estimated ± 3.4 pp, high confidence
DeepSeek-R149.2%24.9%estimated ± 3.4 pp, high confidence
Claude 3.5 Sonnet49.0%24.7%estimated ± 3.4 pp, high confidence
Sarvam 105B45.0%21.4%estimated ± 3.4 pp, medium confidence
DeepSeek V342.0%19.0%estimated ± 3.4 pp, medium confidence
Sarvam 30B34.0%13.0%estimated ± 3.4 pp, medium confidence
GPT-4.1 mini23.6%6.1%estimated ± 3.4 pp, medium confidence