Compare / head-to-head
gpt-oss-20bvsLlama 4 Scout
gpt-oss-20b leads 1 of 1 shared benchmark. Llama 4 Scout has the larger context window (10M tokens).
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
1 – 0
gpt-oss-20b leads
Cheaper per token
—
list price, input + output
Larger context
Llama 4 Scout
10M tokens
Provider uptime (30d)
94.2446% · —
OpenAI · Meta
gpt-oss-20b
OpenAI · released 2025-08-05
text
- Context
- 131K
- Max out
- 131K
- Input /1M
- —
- Output /1M
- —
- Cached /1M
- —
- Scores
- 6 · 5 core
Llama 4 Scout
Meta · released 2025-04-05
textvision
- Context
- 10M
- Max out
- —
- Input /1M
- —
- Output /1M
- —
- Cached /1M
- —
- Scores
- 2 · 2 core
Quality
Benchmark matrix
1 shared · 4 only gpt-oss-20b · 1 only Llama 4 Scout| Benchmark | gpt-oss-20b | Llama 4 Scout | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 1 | ||||
| GPQA Diamond | 71.5% ↗ | 57.2% ↗ | +14.3 pt | gpt-oss-20b |
| Only gpt-oss-20b reports · 4 | ||||
| SWE-bench Verified | 60.7% ↗ | not reported | — | — |
| AIME 2025 | 89.2% ↗matharena ⚠ | not reported | — | — |
| LMArena Elo | 1287.3 ↗ | not reported | — | — |
| OTIS Mock AIME 2024-2025 (Epoch AI run) | 65.3% ↗epoch | not reported | — | — |
| Only Llama 4 Scout reports · 1 | ||||
| MMLU-Pro | not reported | 74.3% ↗ | — | — |
Scores tagged "epoch" or "matharena" are independent runs, used only where the lab has not published its own; ⚠ marks rows MathArena flags as released after the competition. Higher is better on every row. Δ is gpt-oss-20b minus Llama 4 Scout in the benchmark's own unit. "Not reported" means the lab has not published that figure; it is not a zero. ↗ opens the source.
Specs & pricing
Side by side
Official pricing pages and model cards| Spec | gpt-oss-20b | Llama 4 Scout | Edge |
|---|---|---|---|
| Context window | 131K tokens | 10M tokens | Llama 4 Scout |
| Max output | 131K tokens | — | — |
| Input price / 1M | — | — | — |
| Output price / 1M | — | — | — |
| Cached input / 1M | — | — | — |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | — | — | — |
| Modalities | text | text · vision | Llama 4 Scout |
| Released | 2025-08-05 | 2025-04-05 | — |
| Cited benchmark scores | 6 | 2 | — |
Reliability
Provider status
Last 60 days · refreshed daily on this page · live on /statusMore matchups
gpt-oss-20b vs …
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Llama 4 Scout vs …
Models sharing the most benchmarksBuilt by Respan
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