Grok 4.6 vs Grok 4.5
Facts only. This page does not pick a winner. For a picked winner, see the use case comparison on Tools.
| Grok 4.6 | Grok 4.5 | |
|---|---|---|
| API model IDs | grok-4.6 | grok-4.5, grok-4.5-latest, grok-4.5-build-latest |
| Context window | 500,000 | 500,000 |
| Lifecycle | active | active |
| License | proprietary | proprietary |
| Trains on API data | No | No |
| Zero data retention | yes | yes |
| Input per 1M tokens | $2 (verified 2026-09-08) | $2 (verified 2026-09-08) |