Grok 4 vs GLM 5.2 (Free)
GLM 5.2 (Free) is cheaper on output tokens, while GLM 5.2 (Free) offers a larger context window. Choose Grok 4 or GLM 5.2 (Free) based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Grok 4 | GLM 5.2 (Free) |
|---|---|---|
| Provider | ZenMux | ZenMux |
| Input / 1M tokens | $3.00 | $0.00 |
| Output / 1M tokens | $15.00 | $0.00 |
| Context window | 256K | 1M |
| Parameters | 3T | — |
| Open weights | No | Yes |
| Released | Jul 2025 | Jun 2026 |
FAQ
Is Grok 4 or GLM 5.2 (Free) cheaper?
GLM 5.2 (Free) is cheaper on output tokens ($0.00 vs $15.00 per 1M).
Which has the larger context window, Grok 4 or GLM 5.2 (Free)?
GLM 5.2 (Free) 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.