model releaseOfficialPublished: 21h ago

We implemented the harness with the Responses API and turned on: → Retained reasoning → Context compaction On the public set, GPT-5.6 Sol’s

We implemented the harness with the Responses API and turned on: → Retained reasoning → Context compaction On the public set, GPT-5.6 Sol’s score rose 188% while using 6x fewer output tokens. https://t.co/uN1IrKEugu

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We implemented the harness with the Responses API and turned on: → Retained reasoning → Context compaction On the public set, GPT-5.6 Sol’s 

Why it matters: GPT-5.6 can change capability, routing, cost, or product scope for builders shipping against current model APIs.

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