GLM-5.3 vs GPT OSS 20B
GPT OSS 20B is cheaper on output tokens, while GLM-5.3 offers a larger context window. Choose GLM-5.3 or GPT OSS 20B based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GLM-5.3 | GPT OSS 20B |
|---|---|---|
| Provider | Together AI | Together AI |
| Input / 1M tokens | $1.40 | $0.05 |
| Output / 1M tokens | $4.40 | $0.20 |
| Context window | 1M | 131K |
| Parameters | — | 21B |
| Open weights | Yes | Yes |
| Released | Aug 2026 | Aug 2025 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.