GPT-6 Astra scores 99.9% on ARC-AGI-3 for less than Opus 5's 30% run cost
233C · reddit · 2026-09-04
Citing the ARC Prize blog, a Reddit post reports GPT-6 Astra hit 99.9% on ARC-AGI-3 for less money than it took Opus 5 to reach 30% just a month ago — implying an order-of-magnitude jump in cost-efficiency on abstract reasoning benchmarks.
Related event: OpenAI launches flagship GPT-6 Astra to rave reviews and pricing debates(190 posts)→
More from Models
- Polish dev defends open model: built on Gemma with more than a simple LoRA fine-tune — ColinWPLewis · 2026-10-21
- X trends: SophontAI's Holon-S1 predicts gene activity from cancer slides; decision models rise — iScienceLuvr · 2026-10-21
- OpenAI's MultiLangBench: PHP scores highest (91.3%) at building a database engine from scratch — ricklamers · 2026-10-21
- 704-vote robotics Elo ranks Claude Opus 5.5 first at 1379; no model completes the task — qinzytech · 2026-10-21
- DeepSeek V4 called 'god-tier infra, 4th-tier ML': 7 tricks stacked, 20 patches to fix them — teortaxesTex · 2026-10-21
- GPT-6 Astra and Claude Fable 5.1 write $10,000 research papers — experts reject all — sayashk · 2026-10-21