Grok 4.20 Reasoning vs GLM-4.6V
GLM-4.6V is cheaper on output tokens, while Grok 4.20 Reasoning offers a larger context window. Choose Grok 4.20 Reasoning or GLM-4.6V based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Grok 4.20 Reasoning | GLM-4.6V |
|---|---|---|
| Provider | Vercel AI Gateway | Vercel AI Gateway |
| Input / 1M tokens | $1.25 | $0.30 |
| Output / 1M tokens | $2.50 | $0.90 |
| Context window | 2M | 128K |
| Parameters | — | — |
| Open weights | No | No |
| Released | Mar 2026 | Sep 2025 |
FAQ
Is Grok 4.20 Reasoning or GLM-4.6V cheaper?
GLM-4.6V is cheaper on output tokens ($0.90 vs $2.50 per 1M).
Which has the larger context window, Grok 4.20 Reasoning or GLM-4.6V?
Grok 4.20 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.