xAI Grok 4.1 Fast Non-Reasoning vs GLM-5.3 Flash (greenference)
GLM-5.3 Flash (greenference) is cheaper on output tokens, while xAI Grok 4.1 Fast Non-Reasoning offers a larger context window. Choose xAI Grok 4.1 Fast Non-Reasoning or GLM-5.3 Flash (greenference) based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | xAI Grok 4.1 Fast Non-Reasoning | GLM-5.3 Flash (greenference) |
|---|---|---|
| Provider | Helicone | LLM Gateway |
| Input / 1M tokens | $0.20 | $0.14 |
| Output / 1M tokens | $0.50 | $0.49 |
| Context window | 2M | 1M |
| Parameters | — | — |
| Open weights | No | Yes |
| Released | Nov 2025 | Aug 2026 |
| LiveBench score | 31.6 | — |
FAQ
Is xAI Grok 4.1 Fast Non-Reasoning or GLM-5.3 Flash (greenference) cheaper?
GLM-5.3 Flash (greenference) is cheaper on output tokens ($0.49 vs $0.50 per 1M).
Which has the larger context window, xAI Grok 4.1 Fast Non-Reasoning or GLM-5.3 Flash (greenference)?
xAI Grok 4.1 Fast Non-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.