gpt-oss-20b vs Granite 4.2 8B
Price, context window & benchmark comparison
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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-20b | Granite 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 window | 131K | 131K |
| Max output | 33K | 118K |
| Intelligence index | 9 | 11.1 |
| Coding index | 20.7 | 22.4 |
| Providers | — | — |
| Best provider uptime (30m) | — | — |
| Vision input | No | No |
| Reasoning | Yes | Yes |
| Tool calling | Yes | Yes |
| Released | 2025-08-05 | 2026-08-31 |
| 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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