Granite 4.1 8B vs gpt-oss-20b (batch)
Granite 4.1 8B is cheaper on output tokens. Choose Granite 4.1 8B or gpt-oss-20b (batch) based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Granite 4.1 8B | gpt-oss-20b (batch) |
|---|---|---|
| Provider | IBM | OpenAI |
| Input / 1M tokens | $0.05 | $0.02 |
| Output / 1M tokens | $0.10 | $0.11 |
| Context window | 131K | 131K |
| Parameters | — | 21B |
| Open weights | — | Yes |
| Released | — | Aug 2025 |
| LMArena (Chatbot Arena) Elo score | 1290 | 1287 |
| LMArena WebDev Elo score | 1191 | — |
| GPQA Diamond score | — | 60.8 |
| Epoch Capabilities Index score | — | 138 |
FAQ
Is Granite 4.1 8B or gpt-oss-20b (batch) cheaper?
Granite 4.1 8B is cheaper on output tokens ($0.10 vs $0.11 per 1M).
Which has the larger context window, Granite 4.1 8B or gpt-oss-20b (batch)?
Both models offer a similar context window.
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.