X postVercel DevelopersAnnouncement
Sub-second turnaround on long model responses reduces latency for real-time coding assistants and complex multi-step agent interactions.
Vercel has added DeepSeek V4.1 Flash 1017 Ultrafast to its AI Gateway. Generating over 1,000 tokens per second, the release targets developers building latency-sensitive applications where traditional inference speeds create bottlenecks.
The model is available under the identifier deepseek/deepseek-v4.1-flash-1017-ultrafast for coding tasks, logical reasoning, and autonomous agents. Initial community discussions highlighted the noticeable speedup for tool-calling loops, while also noting comparative pricing questions across third-party inference providers.
Vercel Developers
@vercel_dev · 7 November 2026
DeepSeek V4.1 Flash 1017 Ultrafast is now available on AI Gateway. It generates over 1,000 tokens per second. Use 𝚍𝚎𝚎𝚙𝚜𝚎𝚎𝚔/𝚍𝚎𝚎𝚙𝚜𝚎𝚎𝚔-𝚟𝟺.𝟷-𝚏𝚕𝚊𝚜𝚑-𝟷𝟶𝟷𝟽-𝚞𝚕𝚝𝚛𝚊𝚏𝚊𝚜𝚝 for coding, reasoning, and agents. t.co/izA1D8DcWo
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View on XSummary generated by AI (Gemini 3.8 Flash, 8 November 2026). It may contain errors – the original source is authoritative.
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