gpt-oss-20b
By OpenAI · released 2025-08-05 (14 months) · 2 effort levels
Missed the frontier at launchOff the frontier todayopen weights
- Intelligence index
- 9.00
- Cost to run the AA index
- $28.8
- Price per 1M tokens (in / out)
- $0.05–$0.07 / $0.22–$0.30
Today
Where gpt-oss-20b stands on the 2026-10-24 frontier
No measured level is on the frontier today.
| Level | Input modalities | Intelligence | Cost | E2E | Today | Matchup |
|---|---|---|---|---|---|---|
| gpt-oss-20b (High) | Text | 9.00 | $28.8 | 16.8s | beaten by GPT-6 Luna (Low) | Compare |
| gpt-oss-20b (Low) | Text | 10.00 | - | 14.7s | no data | Compare |
1 of 2 effort levels plotted. The remaining levels lack intelligence or benchmark cost data.
gpt-oss-20b effort levelsToday's Pareto frontierOpen-weights frontierEvery other model
Matchup
Compare head to head
Suggested: what beats it, its effort levels, and frontier models near its price.
Launch day
What gpt-oss-20b did to the frontier on 2025-08-05
Missed the frontier at launch
No level beat the existing frontier on both axes.
Reached the frontier0 of 2
Impact (hypervolume gained)0
Rank, past year's releases—
Smartest level9.00
Cheapest level$28.8
1 of 2 effort levels plotted. The remaining levels lack intelligence or benchmark cost data.
Reached the frontierMissed itDisplaced from the old frontierFrontier the day beforeFrontier after the releaseRegion gained (impact)
Missed the frontier
| Level | Intelligence | Cost | Beaten by | Intel gap | Cost ratio |
|---|---|---|---|---|---|
| gpt-oss-20b (High) | 9.00 | $28.8 | DeepSeek V3 0324 | −0.7 | 1.45× |
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. Markdown: /releases/gpt-oss-20b?format=md · llms.txt · agent skill