Compare / head-to-head
Claude 3.7 Sonnetvsgpt-oss-20b
Claude 3.7 Sonnet and gpt-oss-20b split their 4 shared benchmarks evenly. Claude 3.7 Sonnet has the larger context window (200K tokens).
Benchmarks from cited public sources; pricing from official pages; status from official provider feeds.
Shared benchmarks
2 – 2
even split
Cheaper per token
—
list price, input + output
Larger context
Claude 3.7 Sonnet
200K tokens
Provider uptime (30d)
100% · 94.2446%
Anthropic · OpenAI
Claude 3.7 Sonnet
Anthropic · released 2025-02-24
textvision
gpt-oss-20b
OpenAI · released 2025-08-05
text
- Context
- 131K
- Max out
- 131K
- Input /1M
- —
- Output /1M
- —
- Cached /1M
- —
- Scores
- 6 · 5 core
Quality
Benchmark matrix
4 shared · 1 only Claude 3.7 Sonnet · 1 only gpt-oss-20b| Benchmark | Claude 3.7 Sonnet | gpt-oss-20b | Δ | Edge |
|---|---|---|---|---|
| Reported by both · 4 | ||||
| SWE-bench Verified | 70.3% ↗ | 60.7% ↗ | +9.6 pt | Claude 3.7 Sonnet |
| GPQA Diamond | 79.7% ↗epoch | 71.5% ↗ | +8.2 pt | Claude 3.7 Sonnet |
| AIME 2025 | 49.2% ↗matharena ⚠ | 89.2% ↗matharena ⚠ | -40 pt | gpt-oss-20b |
| OTIS Mock AIME 2024-2025 (Epoch AI run) | 57.8% ↗epoch | 65.3% ↗epoch | -7.5 pt | gpt-oss-20b |
| Only Claude 3.7 Sonnet reports · 1 | ||||
| SWE-bench Verified (Epoch AI run) | 61% ↗epoch | not reported | — | — |
| Only gpt-oss-20b reports · 1 | ||||
| LMArena Elo | not reported | 1287.3 ↗ | — | — |
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 Claude 3.7 Sonnet minus gpt-oss-20b 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 | Claude 3.7 Sonnet | gpt-oss-20b | Edge |
|---|---|---|---|
| Context window | 200K tokens | 131K tokens | Claude 3.7 Sonnet |
| Max output | 128K tokens | 131K tokens | gpt-oss-20b |
| Input price / 1M | $3 ↗ | — | — |
| Output price / 1M | $15 ↗ | — | — |
| Cached input / 1M | $0.3 ↗ | — | — |
| Input + output / 1M Lower is cheaper. List prices; batch, tool and regional fees excluded. | $18 | — | — |
| Modalities | text · vision | text | Claude 3.7 Sonnet |
| Released | 2025-02-24 | 2025-08-05 | — |
| Cited benchmark scores | 5 | 6 | — |
Reliability
Provider status
Last 60 days · refreshed daily on this page · live on /statusMore matchups
Claude 3.7 Sonnet vs …
Models sharing the most benchmarksMore matchups
gpt-oss-20b vs …
Models sharing the most benchmarksBuilt by Respan
Which one wins on your data?
Public benchmarks are a starting point. Run Claude 3.7 Sonnet and gpt-oss-20b on your own prompts with Respan evals, or route to either through one gateway key with automatic failover.