DeepSeek
DeepSeek-V4.1-Flash
Part of DeepSeek’s DeepSeek-V4 family. Registry facts are limited to what DeepSeek states on its own pages, each linked to where we found it. Benchmark results carry their own source and provenance label.
CurrentVerified against official sources
Verified facts
“source” links to the official page each value was confirmed on
- Organization
- DeepSeek
- Family
- DeepSeek-V4
- Release date
- (announced)source for Release date (external site)
- Context window
- 1,000,000 tokensStated as “1M (API docs); 'up to one million tokens' (HF card)”source for Context window (external site)
- Max output tokens
- 384,000 tokensStated as “MAXIMUM: 384K”source for Max output tokens (external site)
- Knowledge cutoff
- Not verified
- Input modalities
- Text, Imagesource for Input modalities (external site)
- Output modalities
- Textsource for Output modalities (external site)
- Weights
- Open weightssource for Weights (external site)
- API model ID
deepseek-flashsource for API model ID (external site)- Status
- Current
- Last verified
Reported benchmark results
3 results on file, all reported by DeepSeek. Scores are copied exactly as published, with the settings the source stated. Rows are different measurements — compare a score only with others in the same benchmark variant, via the variant link.
| Benchmark | Variant | Model detail | Score | Settings (as stated) | Source | Evidence |
|---|---|---|---|---|---|---|
| GPQA Diamond | No variant stated — see all GPQA Diamond results for this variant | max reasoning effort | 90.9%No CI reported | Pass@1; max reasoning effort (reasoning_effort=100), temperature=1.0, top_p=0.95; last column = DS-V4.1-Flash | Show excerpt for DeepSeek-V4.1-Flash (max reasoning effort) on GPQA Diamond, No variant stated“GPQA Diamond (Pass@1) | 93.4 | **94.1** | 92.9 | 88.1 | 92.4 | 89.9 | 90.9” Retrieved | |
| HLE | Tools not stated — see all HLE results for this variant | max reasoning effort | 36.8%No CI reported | Pass@1; max reasoning effort; tool setting not stated on this row (a separate 'HLE w/ tools' row gives 63.9); 39.1 on the text-only subset | Show excerpt for DeepSeek-V4.1-Flash (max reasoning effort) on HLE, Tools not stated“HLE (Pass@1) | **56.3** | 44.5 | 43.5 | 42.0† | 42.7† | 37.8† | 36.8 (39.1†)” Retrieved | |
| Terminal-Bench | 2.1 — see all Terminal-Bench results for this variant | max reasoning effort | 90.6%No CI reported | Pass@1; max reasoning effort; Minimal mode of DeepSeek Harness, 1M-token context window | Show excerpt for DeepSeek-V4.1-Flash (max reasoning effort) on Terminal-Bench, 2.1“Terminal-Bench 2.1 (Pass@1) | 89.1 | 88.8 | 88.3 | 88.2 | 87.9 | 82.7 | **90.6**” Retrieved |
- Vendor-reported:
- Published by the organisation that built the model. Not independently reproduced.