GLM-5.3 vs xAI Grok 4
30-second takeaway
- GLM-5.3 has the cheaper input: $1.1 vs $3 (per 1M tokens, 63% less)
- GLM-5.3 has the larger context: 1M vs 256K tokens
| GLM-5.3 Alibaba (China) | xAI Grok 4 Helicone | |
|---|---|---|
| Input | $1.1 | $3 |
| Output | $3.851 | $15 |
| Context | 1M | 256K |
More specs (max output / capabilities)
| max output | 131,072 | 256,000 |
| Reasoning | ✓ Yes | — No |
| Tool calls | ✓ Yes | ✓ Yes |
| Open weights | ✓ Yes | — No |
Prices are official/data-source rates (per 1M tokens), not what relays actually charge — relay prices vary with discounts and group multipliers. See methodology.