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DeepSeek V4.1 Flash vs DeepSeek-V4-Pro-0813
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| Attribute | DeepSeek V4.1 Flash | DeepSeek-V4-Pro-0813 |
|---|---|---|
| Scores | ||
| Intelligence (ECI) | — | 155 |
| Coding | 74 | 78 |
| Math | — | 89 |
| 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 | $0.15 | $0.58 |
| Price — $/M output | $0.60 | $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.
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Benchmarks & model data from Epoch AI (CC BY); pricing & specs from OpenRouter. ECI = Epoch Capabilities Index.