Gemini 3.1 Flash TTS Preview vs Grok 4.5
Both have similar output pricing, while Grok 4.5 offers a larger context window. Choose Gemini 3.1 Flash TTS Preview or Grok 4.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Gemini 3.1 Flash TTS Preview | Grok 4.5 |
|---|---|---|
| Provider | Kenari | Kenari |
| Input / 1M tokens | $0.00 | $0.00 |
| Output / 1M tokens | $0.00 | $0.00 |
| Context window | 8K | 500K |
| Parameters | — | — |
| Open weights | No | No |
| Released | Apr 2026 | Jul 2026 |
FAQ
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.