# gpt-oss-20b release · 2025-08-05 · snapshot 2026-10-24

Creator: OpenAI · 2 effort levels

| Effort level | Input modalities | Intelligence | Total cost | E2E | On the frontier today | ID |
|---|---|---|---|---|---|---|
| gpt-oss-20b (High) | Text | 9.00 | $28.8 | 16.8s | no | `gpt-oss-20b` |
| gpt-oss-20b (Low) | Text | 10.00 | - | 14.7s | no | `gpt-oss-20b-low` |

Open weights · on the open-weights frontier today: 0 of 2

## Launch day (2025-08-05)

- Reached the frontier: 0 of 2
- Reached the open-weights frontier: 0 of 2
- Impact (intelligence × log-cost hypervolume gained): 0
- Rank: did not move the frontier; 46 releases this past year did
- gpt-oss-20b (High) missed: 0.7 points below DeepSeek V3 0324 at 1.45× its cost


> Metrics snapshot: 2026-10-24T21:34:57Z. 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.