ARC Prize scored GPT-6 Astra at 62.7% on ARC-AGI-3 with its own harness and 99.9% with OpenAI's, then revised five metrics after launch.

Viral claims of GPT-6 Astra scoring 98.6% on ARC-AGI-3 lack verification. The actual leaderboard leader, Claude Opus 5, sits at roughly 30.2%.

OpenAI has released GPT-6 Astra, its most capable model yet. President Greg Brockman says it marks the start of the "AGI era." Astra tops benchmarks in math, coding, and…