DeepSeek-V4.1-Flash
Released Sep 2026. Open weights, available for self-hosting and fine-tuning.
DeepSeek-V4.1-Flash is built by DeepSeek and has 20 benchmark results tracked in the public leaderboard. It supports multimodal input, with a context window of 1.04M tokens. At the blended 8:1 input-to-output rate, it costs $0.27 per million tokens.
Where DeepSeek-V4.1-Flash ranks
The chart below ranks every model in the comparison by overall capability, which is the average of a model's scores across the eight workload axes. DeepSeek-V4.1-Flash is the red bar. This is the single number to check first: it tells you where the model sits in the current pecking order before you dig into the detail.
Workload strengths
Each row below is the average normalized score across every benchmark tagged with that workload category. A higher number means the model performs better on that kind of task relative to the maximum possible score on those benchmarks. Categories where the model has no published results are shown as n/a.
| Workload | Index (0–1) |
|---|---|
| Reasoning | 76% |
| Coding | 53% |
| Agents | 49% |
| Math | 61% |
| Vision | 68% |
| Long Context | n/a |
| Writing | n/a |
| Knowledge | 91% |
How DeepSeek-V4.1-Flash stacks up against every other model
Below is every head-to-head comparison involving DeepSeek-V4.1-Flash. Each card shows the win/loss tally across all workload axes and headline benchmarks. Tap any matchup for the full breakdown with per-benchmark scores, pricing, and workload recommendations.
DeepSeek-V4.1-Flashvs GPT-6 Astra
GPT-6 Astra leads 7–2
DeepSeek-V4.1-Flashvs Claude Opus 5.5
Claude Opus 5.5 leads 5–3
DeepSeek-V4.1-Flashvs Claude Sonnet 5.5
Even at 4–4
DeepSeek-V4.1-Flashvs MiMo-V2.6-Flash
Even at 4–4
DeepSeek-V4.1-Flashvs Atria Dawn Preview
DeepSeek-V4.1-Flash leads 5–3
DeepSeek-V4.1-Flashvs Grok 4.7
DeepSeek-V4.1-Flash leads 7–1
DeepSeek-V4.1-Flashvs GPT-Live-1
DeepSeek-V4.1-Flash leads 6–1
DeepSeek-V4.1-Flashvs MiMo-V2.6-Pro
Even at 4–4
DeepSeek-V4.1-Flashvs Gemini 3.8 Flash
DeepSeek-V4.1-Flash leads 5–3
DeepSeek-V4.1-Flashvs GPT-6 Astra
GPT-6 Astra leads 7–2
DeepSeek-V4.1-Flashvs Claude Opus 5.5
Claude Opus 5.5 leads 5–3
DeepSeek-V4.1-Flashvs Claude Sonnet 5.5
Even at 4–4
DeepSeek-V4.1-Flashvs MiMo-V2.6-Flash
Even at 4–4
DeepSeek-V4.1-Flashvs Atria Dawn Preview
DeepSeek-V4.1-Flash leads 5–3
DeepSeek-V4.1-Flashvs Grok 4.7
DeepSeek-V4.1-Flash leads 7–1
DeepSeek-V4.1-Flashvs GPT-Live-1
DeepSeek-V4.1-Flash leads 6–1
DeepSeek-V4.1-Flashvs MiMo-V2.6-Pro
Even at 4–4
DeepSeek-V4.1-Flashvs Gemini 3.8 Flash
DeepSeek-V4.1-Flash leads 5–3
Choose a matchup above, or start from the hub to pick any two models.