Compare models
Pick up to 4models. Specs render side-by-side. Share the URL — it's stateless.
 Grok 4xAI |  GPT-5OpenAI |  Claude 4.5 HaikuAnthropic | |
|---|---|---|---|
| Vendor | xAI | OpenAI | Anthropic |
| Family | Grok | GPT | Claude |
| Release date | 2025-07-09 | 2025-08-07 | 2025-10-01 |
| Context window | 256,000 tokens | 400,000 tokens | 200,000 tokens |
| Parameters | — | — | — |
| Modality | text | text, vision, audio | text, vision |
| License | proprietary | proprietary | proprietary |
| Source | proprietary | proprietary | proprietary |
| Description | — | OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026. | Fast, cost-effective Claude model. |
| Links |
