reasoning benchmark
SWE-Bench Pro
SWE-Bench Pro is an advanced version of SWE-Bench that evaluates language models on complex, real-world software engineering tasks requiring extended reasoning and multi-step problem solving.
Updated Aug 7, 2026
Published models44
Registry coverage44
MetricScore
EvidenceB
SWE-Bench Pro leaderboard
Sorted by the source-provided rank. Higher score is better according to the registry.
Score distribution
Top published rows on the benchmark's original scale.
SWE-Bench Pro highlights
The top published results on this benchmark's own scale.
What is SWE-Bench Pro?
Definition and scoring fields from the benchmark registry.
SWE-Bench Pro is an advanced version of SWE-Bench that evaluates language models on complex, real-world software engineering tasks requiring extended reasoning and multi-step problem solving.
Scores are shown in ratio. The current registry marks this benchmark as not independently verified with evidence level B.
- Family
- SWE-Bench Pro
- Modality
- text
- Primary category
- reasoning
- Score direction
- higher
- LLMBoard eligible
- No
- Evaluation key
- swe-bench-pro|llm-stats-current
Source-native results are preserved. Eligibility for the overall LLMBoard score is a separate policy decision.
FAQ
Common questions about SWE-Bench Pro.
Which model scores highest on SWE-Bench Pro?
Claude Fable 5 is currently ranked first with 80.0%.
What does SWE-Bench Pro measure?
SWE-Bench Pro is an advanced version of SWE-Bench that evaluates language models on complex, real-world software engineering tasks requiring extended reasoning and multi-step problem solving.
Is a higher score better?
Yes. Higher values rank better for this benchmark.
How many models are compared?
44 unique published model results are currently shown.
Does this benchmark affect the overall score?
This benchmark is preserved as source-native evidence but is not eligible for the current overall score.