Comparison · prices as of 2026-07-04
Gemini 2.5 Flash vs Grok 4
On price alone, Gemini 2.5 Flash (Google) runs about 86% cheaper than Grok 4 for a typical chat workload (2K input + 500 output tokens, 1,000 requests/day). Whether that's the right trade depends on the capability gap — pricing below, verify quality on your own evals.
| Spec | Gemini 2.5 Flash | Grok 4 |
|---|---|---|
| Input / MTok | $0.30 | $3 |
| Output / MTok | $2.50 | $15 |
| Context window | 1M | 256K |
| Max output | 66K | 64K |
| Class | workhorse | frontier |
| Reference workload / month | $55.50 | $405.00 |
Sources: Google pricing · xAI pricing. Run your own numbers in the cost calculator.