Compare models
Pick up to 4models. Specs render side-by-side. Share the URL — it's stateless.
 DeepSeek-R1DeepSeek |  Gemini 3 Pro |  o3OpenAI | |
|---|---|---|---|
| Vendor | DeepSeek | OpenAI | |
| Family | DeepSeek | Gemini | o-series |
| Release date | 2025-01-20 | 2026-04-22 | 2025-04-16 |
| Context window | 128,000 tokens | 2,000,000 tokens | 200,000 tokens |
| Parameters | 671B | — | — |
| Modality | text | text, vision, audio, video | text, vision |
| License | MIT | proprietary | proprietary |
| Source | open weights | proprietary | proprietary |
| Description | Reasoning-focused open-weight model. | Google DeepMind's flagship multimodal model. Best-in-class for multimodal understanding and agentic / vibe coding workflows. A "Deep Think" reasoning mode is available to AI Ultra subscribers. | Reasoning-focused model in the o-series. |
| Links |
