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OpenAI | DeepSeek | OpenAI | DeepSeek | |
|---|---|---|---|---|
| Vendor | OpenAI | DeepSeek | OpenAI | DeepSeek |
| Family | GPT | DeepSeek | o-series | DeepSeek |
| Release date | 2025-04-14 | 2026-04-22 | 2025-04-16 | 2025-01-20 |
| Context window | 1,000,000 tokens | 1,000,000 tokens | 200,000 tokens | 128,000 tokens |
| Parameters | — | 284B (13B active) | — | 671B |
| Modality | text, vision | text | text, vision | text |
| License | proprietary | MIT | proprietary | MIT |
| Source | proprietary | open weights | proprietary | open weights |
| Description | — | Smaller, faster sibling to DeepSeek-V4-Pro. Same 1M context window with a much lighter 284B / 13B-active MoE. | Reasoning-focused model in the o-series. | Reasoning-focused open-weight model. |
| Links | ||||
| Benchmarks | ||||
| GPQA-D | — | — | 87.7% | — |
| AIME-25 | — | — | 88.9% | 79.8% |
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