gemini-2.5-flash-preview-09-2025 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 gemini-2.5-flash-preview-09-2025 or grok-4-1-fast-reasoning based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | gemini-2.5-flash-preview-09-2025 | grok-4-1-fast-reasoning |
|---|---|---|
| Provider | 302.AI | 302.AI |
| Input / 1M tokens | $0.30 | $0.20 |
| Output / 1M tokens | $2.50 | $0.50 |
| Context window | 1M | 2M |
| Parameters | — | — |
| Open weights | No | No |
| Released | Sep 2025 | Nov 2025 |
FAQ
Is gemini-2.5-flash-preview-09-2025 or grok-4-1-fast-reasoning cheaper?
grok-4-1-fast-reasoning is cheaper on output tokens ($0.50 vs $2.50 per 1M).
Which has the larger context window, gemini-2.5-flash-preview-09-2025 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.