Vercel adds DeepSeek Ultrafast to AI Gateway

08 Nov 2026 •1 min read •4 •0 •0

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Vercel has added DeepSeek V4.1 Flash 1017 Ultrafast through Fireworks. The public preview offers a one-million-token context window. Vercel claims output can exceed 1,000 tokens per second; this is a vendor figure, not our benchmark. The endpoint serves the October 17 model revision.

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