GLM 5.3 Spot vs GLM 5
GLM 5.3 Spot is cheaper on output tokens, while GLM 5.3 Spot offers a larger context window. Choose GLM 5.3 Spot or GLM 5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GLM 5.3 Spot | GLM 5 |
|---|---|---|
| Provider | Fireworks AI | Z.ai |
| Input / 1M tokens | $0.98 | $1.00 |
| Output / 1M tokens | $3.08 | $3.20 |
| Context window | 1M | 205K |
| Parameters | — | 744B |
| Open weights | Yes | Yes |
| Released | Aug 2026 | Feb 2026 |
| LiveBench score | — | 68.7 |
| LMArena (Chatbot Arena) Elo score | — | 1446 |
| LMArena WebDev Elo score | — | 1435 |
| GPQA Diamond score | — | 87.8 |
| FrontierMath score | — | 16.4 |
| Epoch Capabilities Index score | — | 146 |
| SWE-bench Multilingual score | — | 69.7 |
| SWE-bench Verified score | — | 72.8 |
FAQ
Is GLM 5.3 Spot or GLM 5 cheaper?
GLM 5.3 Spot is cheaper on output tokens ($3.08 vs $3.20 per 1M).
Which has the larger context window, GLM 5.3 Spot or GLM 5?
GLM 5.3 Spot has the larger context window (1M tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.