DeepSeek V4 Flash 0731 vs DeepSeek-V4-Pro-0813
DeepSeek V4 Flash 0731 (DeepSeek) and DeepSeek-V4-Pro-0813 (DeepSeek) compared on benchmarks, pricing, context window, and use-case rankings.
- DeepSeek-V4-Pro-0813 leads on overall intelligence (ECI 155 vs 154).
- DeepSeek V4 Flash 0731 is cheaper on input tokens — $0.05 vs $0.58 per 1M.
- DeepSeek V4 Flash 0731 has a larger context window (1.3M vs 1M tokens).
- DeepSeek-V4-Pro-0813 ranks higher for coding (78th vs 76th percentile).
| Attribute | DeepSeek V4 Flash 0731 | DeepSeek-V4-Pro-0813 |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | 154 | 155 |
| Coding | 76 | 78 |
| Math | 68 | 88 |
| Reasoning & Knowledge | 58 | 70 |
| Agentic & Tools | — | — |
| Specifications | ||
| Developer | DeepSeek | DeepSeek |
| Family | DeepSeek | DeepSeek |
| Released | Jul 31, 2026 | Aug 13, 2026 |
| Parameters | — | 1.6T |
| Availability | Open weights (unrestricted) | Open weights (unrestricted) |
| Context window | 1.3M | 1M |
| Price — $/M input | $0.05 | $0.58 |
| Price — $/M output | $0.16 | $1.74 |
| Inputs | text | text |
| Outputs | text | text |
| Benchmarks | ||
| AIME 2024/2025 | 94% | 99% |
| ARC-AGI | 89% | 91% |
| ARC-AGI-2 | 61% | 61% |
| GPQA Diamond | 91% | 92% |
| Humanity's Last Exam | 39% | 41% |
| SciCode | 50% | 51% |
| SimpleBench | 61% | — |
| SimpleQA Verified | 34% | 53% |
| WebDev Arena | 1579 | 1582 |
| WeirdML | 63% | 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
Is DeepSeek V4 Flash 0731 better than DeepSeek-V4-Pro-0813?
On Epoch AI's Capabilities Index, DeepSeek-V4-Pro-0813 scores higher (155) than DeepSeek V4 Flash 0731 (154). The right pick depends on your task — compare their coding, math, and reasoning scores in the table above.
Which is cheaper, DeepSeek V4 Flash 0731 or DeepSeek-V4-Pro-0813?
DeepSeek V4 Flash 0731 is cheaper on input tokens at $0.05 per million, versus $0.58 (representative OpenRouter pricing).
Which has a larger context window, DeepSeek V4 Flash 0731 or DeepSeek-V4-Pro-0813?
DeepSeek V4 Flash 0731 supports up to 1.3M tokens, compared with 1M for the other.
Which is better for coding, DeepSeek V4 Flash 0731 or DeepSeek-V4-Pro-0813?
Across coding benchmarks like SWE-bench Verified and Terminal-Bench, DeepSeek-V4-Pro-0813 ranks higher — 78th vs 76th percentile among the models tracked on Model Beat.
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Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.