{
  "id": 5405481,
  "title": "GPT-6 Astra scores 62.7% on ARC-AGI-3 with the standard harness and 99.9% with a new provider adapter harness; Claude Opus 5 scored 30.2%, and GPT-5.6 Sol 7.8% (Greg Kamradt/ARC Prize)",
  "url": "https://urgent.news/2026/09/03/gpt-6-astra-scores-62-7-on-arc-agi-3-with-the-standard-harness-and-99",
  "topic": "ai",
  "section": "AI",
  "published": "2026-09-03T20:05:01.000Z",
  "source": {
    "name": "Techmeme",
    "slug": "techmeme",
    "url": "https://arcprize.org/blog/astra"
  },
  "original_language": "en",
  "account": "OpenAI's Astra achieved a remarkable 62.7% score on ARC-AGI-3 using the Standard harness, while utilizing a new Provider Adapter harness, Astra reached an impressive 99.9% score. In comparison, Claude Opus 5 obtained a lower 30.2% score and GPT-5.6 Sol only managed 7.8%. These scores demonstrate the significant advancements in artificial intelligence capabilities and the growing gap between AI and human performance.",
  "summary": "GPT-6 Astra scores 62.7% for $26K on ARC-AGI-3 Semi-Private with our Standard harness, and 99.9% for $19K with a Provider Adapter harness.",
  "key_points": [
    "GPT-6 Astra scores 62.7% on ARC-AGI-3 with standard harness",
    "Astra achieves 99.9% with new provider adapter harness",
    "Claude Opus 5 scores 30.2%, GPT-5.6 Sol scores 7.8%"
  ],
  "editors_take": null,
  "illustration": null,
  "coverage": {
    "outlets": 3,
    "also_reported_by": [
      {
        "outlet": "Hacker News",
        "title": "Ask HN: Why are OpenAI, Claude, and Grok simultaneously down? Coincidence?",
        "url": "https://urgent.news/2026/09/03/ask-hn-why-are-openai-claude-and-grok-simultaneously-down-coincidence",
        "published": "2026-09-03T15:07:01.000Z"
      },
      {
        "outlet": "Techmeme",
        "title": "OpenAI prices GPT-6 Astra at $10/1M input tokens and $50/1M output tokens, matching Anthropic's pricing for Claude Fable 5.1 (The Deep View)",
        "url": "https://urgent.news/2026/09/03/openai-prices-gpt-6-astra-at-10-1m-input-tokens-and-50-1m-output",
        "published": "2026-09-03T18:15:01.000Z"
      }
    ]
  },
  "ai_generated": true,
  "disclaimer": "Summaries, key points and the editor’s take are written by software from other outlets’ reporting and may contain errors — always check the linked original."
}