DeepSeek V4.1 Flash 1017 Ultrafast now available on AI Gateway
Source
vercel.com
Author
Jerilyn Zheng
Date
Why it matters
A 1M-context windowThe maximum amount of text a model can consider at once — its working memory for the current conversation or task.Full definition → DeepSeek model at over 1,000 tokenThe chunk of text a model reads and writes in — roughly three-quarters of a word — and the unit AI usage is billed in.Full definition → per second is now callable through AI Gateway by model ID, and usable in Claude Code, Codex and Cursor, which speeds AI agentAn AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.Full definition → loops.
Terms in this piece · Glossary
token — The chunk of text a model reads and writes in — roughly three-quarters of a word — and the unit AI usage is billed in.
context window — The maximum amount of text a model can consider at once — its working memory for the current conversation or task.
AI agent — An AI system that doesn't just answer once but works toward a goal in a loop — taking actions, reading the results, and deciding what to do next.
