OpenAI rolls out Ultrafast for GPT-6.1 Sol: Up to 8x faster
OpenAI is rolling out "Ultrafast" for its GPT-6.1 Sol model. The new update provides speeds up to eight times faster than the previous standard.
What happened?
On 8 October 2026, OpenAI began the rollout of "Ultrafast" for its AI model, GPT-6.1 Sol. The new feature is made available via OpenAI’s API, the developer tool Codex, and to subscribers of ChatGPT Work. Ultrafast offers performance approaching the Astra model family while delivering up to eight times faster speeds than the standard version of Sol.
Key facts
| Lanseringsdatum | 8 oktober 2026 |
|---|---|
| Hastighetsökning | Upp till 8x snabbare än Sol Standard |
| Tillgänglighet | API, Codex, ChatGPT Work |
”Ultrafast is rolling out today for GPT-6.1 Sol in the API, Codex, and ChatGPT Work. Near-Astra intelligence at up to 8x faster speeds than Sol Standard, so you can build as fast as the ideas come.”
Why it matters
The increase in speed means that developers and companies can build and run AI-powered applications with significantly lower latency. By combining high intelligence with response times up to 8x faster, more seamless code generation and real-time interactions in complex workflows are now possible.
Who is affected?
The update primarily concerns software developers using OpenAI’s API and Codex, as well as companies and organisations using ChatGPT Work in their daily workflows.
Impact on the EU
The Ultrafast update for GPT-6.1 Sol is being rolled out globally and is covered by OpenAI’s existing availability and compliance with EU regulations.
What else you should know
The news regarding Ultrafast was published on 8 October 2026, alongside OpenAI’s announcement of ChatGPT for financial services, tailored for financial analysis and modelling.
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