gpt-oss-20b (High)
By OpenAI · released 2025-08-05 (14 months) · snapshot 2026-10-24
- Intelligence index
- 9.00
- Cost to run the AA index
- $28.8
- Price per 1M tokens (in / out)
- $0.05 / $0.22
- End-to-end time
- 16.8s
Is gpt-oss-20b (High) on the Pareto frontier, and what beats it?
Off the frontier
No. GPT-6 Luna (Low) is at least as smart for the same money or less.
Next step up: GPT-6 Luna (Medium), smarter but dearer.
| # | Model | Creator | Intelligence | Total cost | E2E total | Open | Released | Frontier |
|---|---|---|---|---|---|---|---|---|
| 1 | gpt-oss-20b (High) | OpenAI | 9.00 | $28.8 | 16.8s | 2025-08-05 | ||
| 2 | GPT-6 Luna (Low) | OpenAI | 21.50 | $10.6 | 6.60s | 2026-09-22 | Frontier | |
| 3 | GPT-6 Luna (Medium) | OpenAI | 29.90 | $31.2 | 8.25s | 2026-09-22 | Frontier |
Open in the picker Daily check URL: 200 on the frontier, 409 once beaten
gpt-oss-20b (High) today
1 of 2 effort levels plotted. The remaining levels lack intelligence or benchmark cost data.
Intelligence: Artificial Analysis Intelligence Index. Cost: total cost to run that benchmark, so reasoning tokens count. API id: gpt-oss-20b.
Compare head to head
Suggested: what beats it, its effort levels, and frontier models near its price.
What the gpt-oss-20b release did to the frontier on 2025-08-05
None of its 2 effort levels reached the frontier at launch.
Closest miss: gpt-oss-20b (High), 0.7 points below DeepSeek V3 0324 at 1.4× the cost.
Should you use gpt-oss-20b (High)?
Should you use gpt-oss-20b (High)?
Only when it fits your setup: GPT-6 Luna (Low) is at least as smart for the same money or less, so gpt-oss-20b (High) is off the value frontier today.
What is better and cheaper than gpt-oss-20b (High)?
GPT-6 Luna (Low) — at least as smart for the same money or less.
How much does gpt-oss-20b (High) cost?
$0.05/$0.22 in/out per 1M tokens, and $28.8 to run the full Artificial Analysis Intelligence Index, the honest all-in number for reasoning models.
Is gpt-oss-20b (High) on the Pareto frontier?
No: GPT-6 Luna (Low) beats it on intelligence, cost, or both.
Frontier membership by axis pair
Other axis pairs where gpt-oss-20b (High) is Pareto-optimal.
| Y axis | X axis | On the frontier |
|---|---|---|
| AA intelligence index | AA total cost to run (USD) | |
| AA intelligence index | End-to-end total seconds | |
| AA intelligence index | Output speed tokens/sec |
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/models/gpt-oss-20b · Markdown: /api/v1/models/gpt-oss-20b?format=md · llms.txt · agent skill