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METR
metr.org
did:plc:dll3hepzq76nymel5c3yt6nk
OpenAI gave METR early access to GPT-5.6 Sol for testing including raw chain-of-thought, a railfree version of the model, and internal information about the model. With this access, METR conducted a pre-deployment evaluation of GPT-5.6 Sol, including an attempted measurement of its 50%-Time Horizon.
2026-06-26T23:12:24.563Z