OpenAI says GPT-5.6 Sol tops Opus 5 on ARC-AGI-3 with API settings
OpenAI claims GPT-5.6 Sol scores 38.3 percent on ARC-AGI-3 using its own API features, versus 7.8 percent in the official test setup. ARC Prize says its environment is provider-neutral but may have used an outdated API, skewing the comparison with Opus 5.
First seen 30 Jul, 09:03 UTC on The Decoder2 sourcesLast update 52d ago
OpenAIResearch · 30 Jul
GPT-5.6 Sol Ultra
Research release
What the sources say
Linked, never rewritten. Official means the lab itself.
Official0
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Coverage2
The Decoder· 30 Jul, 09:03OpenAI claims GPT-5.6 Sol beats Opus 5 on ARC-AGI-3 with its latest API and two additional settingsThe Decoder· 3 Aug, 10:49Two teams solved the same quantum crypto problem using GPT-5.6 just three hours apartCommunity0
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How it unfolded
Every source in the order it appeared. Times in UTC.