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 Claude 4.6 SonnetAnthropic |  GPT-5OpenAI | |
|---|---|---|
| Vendor | Anthropic | OpenAI |
| Family | Claude | GPT |
| Release date | — | 2025-08-07 |
| Context window | 200,000 tokens | 400,000 tokens |
| Parameters | — | — |
| Modality | text, vision | text, vision, audio |
| License | proprietary | proprietary |
| Source | proprietary | proprietary |
| Description | — | OpenAI's flagship general-purpose model. Superseded by GPT-5.5 in April 2026. |
| Links |
