gpt-oss-20b vs Granite 4.2 8B

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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Granite 4.2 8B

IBM Granite
$0.06 / $0.25
Input / Output · per 1M tokens
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Verdict: gpt-oss-20b is 3.0× cheaper than Granite 4.2 8B on a typical 3:1 input/output mix. Granite 4.2 8B scores higher on the Artificial Analysis Intelligence Index (11.1 vs 9).
gpt-oss-20bGranite 4.2 8B
Input price / 1M$0.018$0.06
Output price / 1M$0.09$0.25
Blended price (3:1)$0.036$0.11
Cached input / 1M$0.015
Context window131K131K
Max output33K118K
Intelligence index911.1
Coding index20.722.4
Providers
Best provider uptime (30m)
Vision inputNoNo
ReasoningYesYes
Tool callingYesYes
Released2025-08-052026-08-31
Retirement

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FAQ

Which is cheaper, gpt-oss-20b or Granite 4.2 8B?

gpt-oss-20b is 3.0× cheaper than Granite 4.2 8B on a typical 3:1 input/output mix.

gpt-oss-20b vs Granite 4.2 8B: which has a bigger context window?

gpt-oss-20b: 131,072 tokens. Granite 4.2 8B: 131,072 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: gpt-oss-20b ≈ $81.00, Granite 4.2 8B ≈ $245.00.

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