Expert software engineering
APEX-SWE
expert-level software-engineering tasks (AI Productivity Index)
Rankings
Higher is betterAPEX-SWE — frequently asked questions
- What is APEX-SWE?
- expert-level software-engineering tasks (AI Productivity Index)
- Which AI model scores highest on APEX-SWE?
- Grok 4.6 by SpaceXAI holds the best APEX-SWE result among tracked models, at 56.4% (released Aug 12 2026). Higher scores are better on this benchmark.
- What are the top 2 models on APEX-SWE?
- 1. Grok 4.6 (SpaceXAI) — 56.4%; 2. Grok 4.5 (SpaceXAI) — 53.6%.
- How many models have a published APEX-SWE score?
- 2 tracked models have a published APEX-SWE score. Scores are the figures reported by each lab at that model's release, so this page is a record of results over time rather than a re-run leaderboard.