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OpenAI's GPT-5.6 Sol Sets New Record: Sub-100ms Response Time Changes Everything

This story is from 2026-09-20. It is preserved in the archive; the latest stories are on the live feed.

The Numbers That Matter OpenAI just shipped GPT-5.6 Sol with what might be the most practical breakthrough this year: sub-100ms time-to-first-token for real-time agent applications. That's not a benchmark. That's a latency floor so low that conversational AI finally feels natural at the code-execut…

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  1. 2026-09-20 05:28 · DEV Community — AI
    OpenAI's GPT-5.6 Sol Sets New Record: Sub-100ms Response Time Changes Everything

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