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.
Related event: OpenAI Launches GPT-6 Sol and Luna at Half the Price(47 posts)→
More from Models
- GPT-6's Real Headline: OpenAI Cuts Luna Price in Half to Rival Open Models — dbreunig · 2026-09-23
- Four Models Drop in One Day: GPT-6 Sol, Claude 5.5, Grok 4.7, Xiaomi MiMo-V2.6 — ivan_bezdomny · 2026-09-23
- scaling01 taunts haters after joking Anthropic won't ship Opus 5.5 and Sol today — scaling01 · 2026-09-23
- Unreleased Claude Opus 5.5 SVG demo sparks RL training speculation — adonis_singh · 2026-09-23
- Delip Rao downgrades from $200/mo Google One Ultra to $50 Pro, leaning on local models — deliprao · 2026-09-23
- Why AI progress accelerated: Claude 4.5 kicked off narrow RSI and open-weight catch-up — maksym_andr · 2026-09-23