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DeepSeek V4.1 Flash 1017 Ultra

DeepSeek · deepseek-v4-1-flash-ultra

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October 17 update of DeepSeek V4.1 Flash with improved reasoning, coding, agentic tasks, and visual understanding

Specification

most-agreed values

Context
1M
Max output
384K
Released
2026-10-17
Knowledge cutoff
2025-05
Retires
—
Open weights
yes
Input
text, image
Output
text

Price

US dollars per million tokens · most-agreed

Input
$0.35
Output
$2.80
Cache read
$0.007

Available from 1 host

HostIn $/MOut $/MCache rdCache wrContextOutputRetires
lithosai · deepseek-ai$0.35$2.80$0.007—1M384K—

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