SAO Outperforms GRPO on Coding and Reasoning Benchmarks
ivan_bezdomny · x · 2026-07-15
This repost points out that current improvements primarily stem from Direct Double-Sided Importance Sampling (DIS), rather than vanilla GRPO.
Key takeaways:
- Vanilla GRPO is outdated, but can still linger for a while through various tweaks.
- The new method, SAO (Single-rollout Asynchronous Optimization), appears to have a higher ceiling.
- The paper claims that SAO can stably train for 1000 steps and consistently outperforms GRPO and its variants on benchmarks like SWE-Bench Verified, BeyondAIME, and IMOAnswerBench.
This represents a training method advancement tailored for agentic coding and reasoning tasks.
Related event: SAO Outperforms GRPO in Coding and Reasoning Benchmarks(3 posts)→
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