Compare models
Pick up to 4models. Specs render side-by-side. Share the URL — it's stateless.
OpenAI | Anthropic | ||
|---|---|---|---|
| Vendor | OpenAI | Anthropic | |
| Family | GPT | Claude | Gemini |
| Release date | 2025-08-07 | — | 2025-03-25 |
| Context window | 400,000 tokens | 200,000 tokens | 2,000,000 tokens |
| Parameters | — | — | — |
| Modality | text, vision, audio | text, vision | text, vision, audio, video |
| License | proprietary | proprietary | proprietary |
| Source | proprietary | proprietary | proprietary |
| Description | OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026. | — | Predecessor to Gemini 3 Pro. |
| Links |