GLM-4.5 vs grok-4-1-fast-reasoning
grok-4-1-fast-reasoning is cheaper on output tokens, while grok-4-1-fast-reasoning offers a larger context window. Choose GLM-4.5 or grok-4-1-fast-reasoning based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | GLM-4.5 | grok-4-1-fast-reasoning |
|---|---|---|
| Provider | 302.AI | 302.AI |
| Input / 1M tokens | $0.29 | $0.20 |
| Output / 1M tokens | $1.14 | $0.50 |
| Context window | 131K | 2M |
| Parameters | 355B | — |
| Open weights | Yes | No |
| Released | Jul 2025 | Nov 2025 |
FAQ
Is GLM-4.5 or grok-4-1-fast-reasoning cheaper?
grok-4-1-fast-reasoning is cheaper on output tokens ($0.50 vs $1.14 per 1M).
Which has the larger context window, GLM-4.5 or grok-4-1-fast-reasoning?
grok-4-1-fast-reasoning has the larger context window (2M tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.