OpenAI previews GPT-5.6 Sol at up to 14 times standard inference speed
OpenAI launched a limited API preview of an Ultrafast service tier for GPT-5.6 Sol, powered by Cerebras Systems, that generates up to 750 output tokens per second and is already being tested in time-sensitive production workflows.
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TOWARD DOOM34confidence 58/100
Why it moved the index
A 14-fold inference-speed tier expands an existing frontier model into time-sensitive production workflows, though the direct operational-risk effect is inferred and access is still limited.
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Assessment history
- R1Toward 34 · confidence 58
New primary-source deployment evidence materially expands the speed and time-sensitive operational reach of an already catalogued exact model version.
13 Aug 2026