Grok 4.1 Fast (Non-Reasoning) vs GPT-5.5
Grok 4.1 Fast (Non-Reasoning) is cheaper on output tokens, while Grok 4.1 Fast (Non-Reasoning) offers a larger context window. Choose Grok 4.1 Fast (Non-Reasoning) or GPT-5.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Grok 4.1 Fast (Non-Reasoning) | GPT-5.5 |
|---|---|---|
| Provider | Perplexity Agent | Perplexity Agent |
| Input / 1M tokens | $0.20 | $5.00 |
| Output / 1M tokens | $0.50 | $30.00 |
| Context window | 2M | 1.1M |
| Parameters | — | — |
| Open weights | No | No |
| Released | Nov 2025 | Apr 2026 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.