OpenAI Previews Ultrafast for GPT-5.6 Sol API Workflows With Up to 14x Speed
This story is from 2026-09-29. It is preserved in the archive; the latest stories are on the live feed.
OpenAI has introduced Ultrafast , a new API service tier for GPT-5.6 Sol designed for workflows where response speed materially affects the user experience or operational outcome. Announced on August 13, 2026, the tier can run GPT-5.6 Sol at up to 14 times the speed of the standard processing path…
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- 2026-09-29 20:30 · DEV Community — AI
OpenAI Previews Ultrafast for GPT-5.6 Sol API Workflows With Up to 14x Speed