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GPT-6.1 Sol Ultrafast Officially Launched – The Next-Gen High-Speed AI Model Just Arrived
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Fusion42 · 9 October 2026 · Fusion42 review
OpenAI launched the GPT-6.1 Sol Ultrafast model providing near-flagship intelligence at 8 times the speed of the Sol standard version, available via API with pay-as-you-go pricing and restricted access for ChatGPT Ultrafast mode to high-tier subscribers.
This Wire brief sits within Fusion42's coverage of AI Frontier Models.
◆ ◆ The Wire takeaway
You can now power real-time AI use cases with OpenAI's fastest GPT yet via API, but expect significant token use and higher costs on ChatGPT unless on the top-tier plan. If your product depends on immediate AI responses, API access bypasses subscription limits and unlocks speed gains today.
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1 source · 9 Oct 2026
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