gpt-oss-120b vs Llama 3.1 8B Instruct
Price, context window & benchmark comparison
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Verdict: Llama 3.1 8B Instruct is 10.5× cheaper than gpt-oss-120b on a typical 3:1 input/output mix.
| gpt-oss-120b | Llama 3.1 8B Instruct | |
|---|---|---|
| Input price / 1M | $0.15 | $0.02 |
| Output price / 1M | $0.60 | $0.04 |
| Blended price (3:1) | $0.26 | $0.025 |
| Cached input / 1M | $0.075 | — |
| Context window | 131K | 131K |
| Max output | 66K | 16K |
| Intelligence index | 3.8 | — |
| Coding index | 30.4 | 5.4 |
| Providers | — | — |
| Best provider uptime (30m) | — | — |
| Vision input | No | No |
| Reasoning | Yes | No |
| Tool calling | Yes | Yes |
| Released | 2025-08-05 | 2024-07-23 |
| Retirement | — | — |
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FAQ
Which is cheaper, gpt-oss-120b or Llama 3.1 8B Instruct?
Llama 3.1 8B Instruct is 10.5× cheaper than gpt-oss-120b on a typical 3:1 input/output mix.
gpt-oss-120b vs Llama 3.1 8B Instruct: which has a bigger context window?
gpt-oss-120b: 131,072 tokens. Llama 3.1 8B Instruct: 131,072 tokens.
How much would 1 million requests cost?
At 2,000 input + 500 output tokens per request: gpt-oss-120b ≈ $600.00, Llama 3.1 8B Instruct ≈ $60.00.
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