Side-by-side comparison of pricing, 12 benchmarks, and generation speed.
| Metric | Gemini 2.5 Flash Preview (Sep '25) (Reasoning) | Grok-1 |
|---|---|---|
| Input ($/M tokens) | $0 | $0 |
| Output ($/M tokens) | $0 | $0 |
Data from Artificial Analysis API — 12 benchmarks
Both models have similar pricing. Check the detailed breakdown above for input vs output token costs.
Gemini 2.5 Flash Preview (Sep '25) (Reasoning) wins 11 out of 12 benchmarks compared to 0 for Grok-1. See the detailed benchmark chart above for per-category results.
Both models have comparable generation speeds.
Choose based on your priorities: both are similarly priced, Gemini 2.5 Flash Preview (Sep '25) (Reasoning) for stronger benchmark performance, and both have comparable speed. For latency-sensitive apps, check the TTFT comparison above.