gpt-oss-20b vs o3 Mini High

Price, context window & benchmark comparison

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gpt-oss-20b

OpenAI
$0.018 / $0.09
Input / Output · per 1M tokens
VS
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o3 Mini High

OpenAI
$1.10 / $4.40
Input / Output · per 1M tokens
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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-20bo3 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 window131K200K
Max output33K100K
Intelligence index911
Coding index20.716.3
Providers
Best provider uptime (30m)
Vision inputNoNo
ReasoningYesYes
Tool callingYesYes
Released2025-08-052025-02-12
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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