grok-4-1-fast-reasoning vs Grok 4.1 Fast
Both have similar output pricing. Choose grok-4-1-fast-reasoning or Grok 4.1 Fast based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | grok-4-1-fast-reasoning | Grok 4.1 Fast |
|---|---|---|
| Provider | 302.AI | Ofox |
| Input / 1M tokens | $0.20 | $0.20 |
| Output / 1M tokens | $0.50 | $0.50 |
| Context window | 2M | 2M |
| Parameters | — | — |
| Open weights | No | No |
| Released | Nov 2025 | Nov 2025 |
| LiveBench score | — | 60.1 |
| LMArena (Chatbot Arena) Elo score | — | 1408 |
| LMArena WebDev Elo score | — | 1242 |
| LMArena Vision Elo score | — | 1201 |
FAQ
Is grok-4-1-fast-reasoning or Grok 4.1 Fast cheaper?
grok-4-1-fast-reasoning and Grok 4.1 Fast have comparable output pricing.
Which has the larger context window, grok-4-1-fast-reasoning or Grok 4.1 Fast?
Both models offer a similar context window.
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.