gpt-oss-120b vs Kimi K2.5
gpt-oss-120b is cheaper on output tokens, while Kimi K2.5 offers a larger context window. Choose gpt-oss-120b or Kimi K2.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | gpt-oss-120b | Kimi K2.5 |
|---|---|---|
| Provider | Weights & Biases | Weights & Biases |
| Input / 1M tokens | $0.15 | $0.50 |
| Output / 1M tokens | $0.60 | $2.85 |
| Context window | 131K | 262K |
| Parameters | 117B | 1T |
| Open weights | No | Yes |
| Released | Aug 2025 | Jan 2026 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.