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Added Ultrafast mode for GPT-6.1 Sol in the Responses API.

OpenAI added an Ultrafast mode for GPT-6.1 Sol in the Responses API: pass service_tier: "ultrafast" with gpt-6.1-sol to reduce time between generated output tokens. It is available to all API users, subject to rate limits, with global processing and US and EU data residency.

Read the full story on developers.openai.com

What to doIf you need lower inter-token latency, try service_tier: "ultrafast" with gpt-6.1-sol and review the Ultrafast pricing.
Provider
OpenAI
Source
developers.openai.com
Models
GPT-6.1 Solgpt-6.1-sol

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