# DeepSeek R1 release · 2025-01-20 · snapshot 2026-10-25

Creator: DeepSeek · 1 effort levels

| Effort level | Input modalities | Intelligence | Total cost | E2E | On the frontier today | ID |
|---|---|---|---|---|---|---|
| DeepSeek R1 (Jan '25) | Text | 11.40 | $461 | 20.2s | no | `deepseek-r1-0120` |

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

## Launch day (2025-01-20)

- Reached the frontier: 1 of 1
- Reached the open-weights frontier: 1 of 1
- Impact (intelligence × log-cost hypervolume gained): 4.75
- Rank: did not move the frontier; 46 releases this past year did


> Metrics snapshot: 2026-10-25T15:21:57Z. 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.