LongCat 2.5 Preview Free vs GLM-5.1
LongCat 2.5 Preview Free is cheaper on output tokens, while LongCat 2.5 Preview Free offers a larger context window. Choose LongCat 2.5 Preview Free or GLM-5.1 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | LongCat 2.5 Preview Free | GLM-5.1 |
|---|---|---|
| Provider | OpenCode Go | OpenCode Go |
| Input / 1M tokens | $0.00 | $1.40 |
| Output / 1M tokens | $0.00 | $4.40 |
| Context window | 1M | 203K |
| Parameters | — | 754B |
| Open weights | No | Yes |
| Released | Sep 2026 | Apr 2026 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.