DeepSeek-V3 (Mar 2025) vs o1-mini
DeepSeek-V3 (Mar 2025) OPEN WEIGHTS · DeepSeek, released 2025-03-24
o1-mini · OpenAI, released 2024-09-12
“Epoch AI, 'AI Benchmarking Hub'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/benchmarks' [online resource].” · epoch.ai/benchmarks · Licensed CC BY 4.0 · data last verified 2026-09-09 · Methodology · Data Sources
Neither model leads on more of the 4 benchmarks where both are measured — DeepSeek-V3 (Mar 2025) on 2, o1-mini on 2. The remaining 5 of 9 tracked benchmarks cannot be compared: 1 has a result for only one of the two models, 4 for neither. Nothing on this page is estimated to fill those in.
Head-to-head
Measured on 4 of 9 tracked benchmarks for both models — DeepSeek-V3 (Mar 2025) leads on 2, o1-mini leads on 2.
| Benchmark | DeepSeek-V3 (Mar 2025) | o1-mini | Leads |
|---|---|---|---|
| Epoch Capabilities Index (ECI) | 135.9 | 135.8 | DeepSeek-V3 (Mar 2025) |
| SWE-bench Verified | Not measured | Not measured | Not measured on both |
| GPQA Diamond | 0.676 | 0.624 (high) | DeepSeek-V3 (Mar 2025) |
| MATH Level 5 | 0.755 | 0.892 (high) | o1-mini |
| OTIS Mock AIME 2024-2025 | 0.378 | 0.469 (high) | o1-mini |
| FrontierMath | Not measured | 0.017 (medium) | Comparison unavailable — DeepSeek-V3 (Mar 2025) has no published result |
| FrontierMath Tier 4 | Not measured | Not measured | Not measured on both |
| SimpleQA Verified | Not measured | Not measured | Not measured on both |
| Chess Puzzles | Not measured | Not measured | Not measured on both |
What remains uncertain
- DeepSeek-V3 (Mar 2025) has no published result on FrontierMath.
- 4 tracked benchmarks have no published result for either model.
A missing result means Xentir has not found one published by the source it cites, not that the model performs badly. See Data Sources.
Reference price
| Per 1M tokens | DeepSeek-V3 (Mar 2025) | o1-mini |
|---|---|---|
| Output | — | $4.40 stale |
List price as published by the vendor. Xentir does not verify negotiated or enterprise rates, and price is not a measure of capability — see Data Sources.
Full profiles
DeepSeek-V3 (Mar 2025) → · o1-mini → · the full AI Model Rankings table