gpt-oss-20b vs o3 Mini High
Price, context window & benchmark comparison
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Compare different models
Verdict: gpt-oss-20b is 53.5× cheaper than o3 Mini High on a typical 3:1 input/output mix. o3 Mini High scores higher on the Artificial Analysis Intelligence Index (11 vs 9). o3 Mini High has the larger context window (200K vs 131K).
| gpt-oss-20b | o3 Mini High | |
|---|---|---|
| Input price / 1M | $0.018 | $1.10 |
| Output price / 1M | $0.09 | $4.40 |
| Blended price (3:1) | $0.036 | $1.93 |
| Cached input / 1M | — | $0.55 |
| Context window | 131K | 200K |
| Max output | 33K | 100K |
| Intelligence index | 9 | 11 |
| Coding index | 20.7 | 16.3 |
| Providers | — | — |
| Best provider uptime (30m) | — | — |
| Vision input | No | No |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2025-08-05 | 2025-02-12 |
| Retirement | — | — |
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FAQ
Which is cheaper, gpt-oss-20b or o3 Mini High?
gpt-oss-20b is 53.5× cheaper than o3 Mini High on a typical 3:1 input/output mix.
gpt-oss-20b vs o3 Mini High: which has a bigger context window?
gpt-oss-20b: 131,072 tokens. o3 Mini High: 200,000 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: gpt-oss-20b ≈ $81.00, o3 Mini High ≈ $4,400.
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