OpenAI: GPT-6 Sol beats Claude Opus 5 on AutomationBench at 9% of the cost
MaziyarPanahi · x · 2026-09-23
OpenAI released GPT-6 Sol and Luna, bringing Astra's advances to faster, more affordable models. Key claims:
- Stronger coding and computer use: Sol at xhigh effort reportedly outperforms Claude Opus 5 at max effort on AutomationBench at just 9% of the cost per task.
- Luna: exceeds GPT-5.6 Sol on OSWorld 2.0 offline at max effort.
- Other gains: improved factuality and alignment, with clearer, less jargon-heavy answers.
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