Compare models
Pick up to 4models. Specs render side-by-side. Share the URL — it's stateless.
 o3OpenAI |  DeepSeek-V4-FlashDeepSeek |  Grok 4xAI | |
|---|---|---|---|
| Vendor | OpenAI | DeepSeek | xAI |
| Family | o-series | DeepSeek | Grok |
| Release date | 2025-04-16 | 2026-04-22 | 2025-07-09 |
| Context window | 200,000 tokens | 1,000,000 tokens | 256,000 tokens |
| Parameters | — | 284B (13B active) | — |
| Modality | text, vision | text | text |
| License | proprietary | MIT | proprietary |
| Source | proprietary | open weights | proprietary |
| Description | Reasoning-focused model in the o-series. | Smaller, faster sibling to DeepSeek-V4-Pro. Same 1M context window with a much lighter 284B / 13B-active MoE. | — |
| Links |
