DeepSeek V4.1 Flash (Reasoning, Max Effort) appeared in artificial_analysis
model_release · 2026-09-10T00:00:00.000Z
Source ↗DeepSeek · active
deepseek/deepseek-v4-1-flash
View DeepSeek in Atlas →Model timeline
Bounded, independently loaded observations and the stories behind them.
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Collector releases and news-derived announcements, clearly labeled by confirmation state.
model_release · 2026-09-10T00:00:00.000Z
Source ↗Model record
Sourced per-million-token rates over time.
2026-09-12T02:38:11.070Z · artificial_analysis
2026-09-11T20:37:22.610Z · artificial_analysis
2026-09-11T14:36:54.636Z · artificial_analysis
2026-09-11T08:36:26.221Z · artificial_analysis
2026-09-11T02:35:53.984Z · artificial_analysis
Model record
Stories and source evidence attached to model announcements.
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Adoption observations in their original metric context.
Model record
Human-readable benchmark results with rank and score.