Mistral Large 3 vs GPT-6 Astra
Facts only. This page does not pick a winner. For a picked winner, see the use case comparison on Tools.
| Mistral Large 3 | GPT-6 Astra | |
|---|---|---|
| API model IDs | mistral-large-2512 | gpt-6-astra |
| Context window | 256,000 | 1,050,000 |
| Lifecycle | active | active |
| License | open-weights | proprietary |
| Trains on API data | Yes | No |
| Zero data retention | on-request | on-request |
| Input per 1M tokens | $0.5 (verified 2026-09-08) | $10 (verified 2026-09-08) |