# Llama 3.1 Tulu3 405B release · 2025-01-30 · snapshot 2026-10-27

Creator: Allen Institute for AI · 1 effort levels

| Effort level | Input modalities | Intelligence | Total cost | E2E | On the frontier today | ID |
|---|---|---|---|---|---|---|
| Llama 3.1 Tulu3 405B | Text | 7.20 | - | - | no | `tulu3-405b` |

Open weights · on the open-weights frontier today: 0 of 1


> Metrics snapshot: 2026-10-27T09:34:39Z. Intelligence index version: unknown. Release timeline, frontier age, release impact and shakeup cards are reconstructions using one selected snapshot's metrics, not a record of what was known at release. Scores, benchmark cost and derived value may change when the index methodology changes. Source documentation advertises v4.3.2; API correspondence is unverified.