0

Swebenchpro

Frontier

SWE-bench Pro: A multi-language software engineering benchmark with 731 instances covering Python, JavaScript/TypeScript, and Go. Evaluates AI systems' ability to resolve real-world bugs and implement features across diverse production codebases. Original benchmark: https://github.com/scaleapi/SWE-bench_Pro-os. Adapter details: https://github.com/laude-institute/harbor/tree/main/adapters/swebenchpro

Domain
agent-eval
Published
Nov 2025

Cite

Notes

Only stored in your browser.

Attribution

Leaderboard scores
Anthropic
Attribution policy →

Top score 80.3% by Claude Fable 5 - 5 models reporting (4 frontier)

Score history

4
45%59%73%86%100%Feb 26Mar 26Apr 26May 26Jun 26Gemini 3.1 Pro PreviewGPT-5.5Claude Opus 4.8Claude Fable 5

Top models

5
SwebenchproBar chart with 5 bars. Highest value: Claude Fable 5 at 80.3.
5 models

FAQ

What is Swebenchpro?
SWE-bench Pro: A multi-language software engineering benchmark with 731 instances covering Python, JavaScript/TypeScript, and Go. Evaluates AI systems' ability to resolve real-world bugs and implement features across diverse production codebases. Original benchmark: https://github.com/scaleapi/SWE-bench_Pro-os. Adapter details: https://github.com/laude-institute/harbor/tree/main/adapters/swebenchpro
What is the current top score on Swebenchpro?
The top reported score is 80.3% by Claude Fable 5, across 5 models reporting (4 from frontier labs).