DeepSeek
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Listed September 2026
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Open Weights
DeepSeek-V4.1-Flash
Arena #39 • score 1475 ±7
Open Weights model from DeepSeek, listed September 2026. Arena text score 1475 (#39 of 414 entries). $0.01 input / $0.68 output per 1M tokens. 1M tokens context.
Parameters
Not listed in our sources
Context Window
1M tokens
Input / 1M tokens
$0.010
Output / 1M tokens
$0.684
Benchmark Results
- Arena Text Elo: 1475 (#39 of 414 on arena.ai · ±7 · 10,872 votes · variant: deepseek-v4.1-flash-max)
- AA Intelligence Index: 39.5 (Artificial Analysis v4.3 · best setting: DeepSeek V4.1 Flash (Max) · checked 2026-10-11)