DeepSeek V4.1 Flash vs DeepSeek-V4-Pro-0813
DeepSeek V4.1 Flash (DeepSeek) and DeepSeek-V4-Pro-0813 (DeepSeek) compared on benchmarks, pricing, context window, and use-case rankings.
- DeepSeek V4.1 Flash is cheaper on input tokens — $0.30 vs $0.58 per 1M.
- DeepSeek-V4-Pro-0813 ranks higher for coding (78th vs 74th percentile).
| Attribute | DeepSeek V4.1 Flash | DeepSeek-V4-Pro-0813 |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | — | 155 |
| Coding | 74 | 78 |
| Math | — | 88 |
| Reasoning & Knowledge | 75 | 70 |
| Agentic & Tools | — | — |
| Specifications | ||
| Developer | DeepSeek | DeepSeek |
| Family | DeepSeek | DeepSeek |
| Released | Sep 10, 2026 | Aug 13, 2026 |
| Parameters | — | 1.6T |
| Availability | — | Open weights (unrestricted) |
| Context window | 1M | 1M |
| Price — $/M input | $0.30 | $0.58 |
| Price — $/M output | $1.20 | $1.74 |
| Inputs | text, image | text |
| Outputs | text | text |
| Benchmarks | ||
| Humanity's Last Exam | 39% | 41% |
| SciCode | 52% | 51% |
| AIME 2024/2025 | — | 99% |
| ARC-AGI | — | 91% |
| ARC-AGI-2 | — | 61% |
| GPQA Diamond | — | 92% |
| SimpleQA Verified | — | 53% |
| WebDev Arena | — | 1582 |
| WeirdML | — | 66% |
Use-case scores are 0–100 percentile composites across each area’s benchmarks, ranked against every model from the past year. Highlighted cells lead each row. Open a model for the full picture.
Frequently asked questions
Which is cheaper, DeepSeek V4.1 Flash or DeepSeek-V4-Pro-0813?
DeepSeek V4.1 Flash is cheaper on input tokens at $0.30 per million, versus $0.58 (representative OpenRouter pricing).
Which has a larger context window, DeepSeek V4.1 Flash or DeepSeek-V4-Pro-0813?
DeepSeek V4.1 Flash supports up to 1M tokens, compared with 1M for the other.
Which is better for coding, DeepSeek V4.1 Flash or DeepSeek-V4-Pro-0813?
Across coding benchmarks like SWE-bench Verified and Terminal-Bench, DeepSeek-V4-Pro-0813 ranks higher — 78th vs 74th percentile among the models tracked on Model Beat.
Want a different match-up? Open the compare tool to add or swap models.
More comparisons
Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.