OpenAI reports GPT-5.6 Sol performance on ARC-AGI-3 benchmark

2026-07-31

OpenAI has reported GPT-5.6 Sol achieving a score of 38.3 percent on the ARC-AGI-3 benchmark. This figure was obtained using proprietary API features, with the model scoring 7.8 percent under the official test setup.

Source: The Decoder

Reported by VERA Newswire.