Google: Gemini 3.1 Pro Preview vs Google: Gemini 3.8 Flash TTS
Google: Gemini 3.8 Flash TTS is cheaper on output tokens, while Google: Gemini 3.1 Pro Preview offers a larger context window. Choose Google: Gemini 3.1 Pro Preview or Google: Gemini 3.8 Flash TTS based on the trade-off between cost, context, and the benchmarks that matter for your use case.
| Spec | Google: Gemini 3.1 Pro Preview | Google: Gemini 3.8 Flash TTS |
|---|---|---|
| Provider | ||
| Input / 1M tokens | $2.00 | $0.50 |
| Output / 1M tokens | $12.00 | $9.00 |
| Context window | 1M | 33K |
| Parameters | — | — |
| Open weights | No | — |
| Released | Feb 2026 | — |
FAQ
Is Google: Gemini 3.1 Pro Preview or Google: Gemini 3.8 Flash TTS cheaper?
Google: Gemini 3.8 Flash TTS is cheaper on output tokens ($9.00 vs $12.00 per 1M).
Which has the larger context window, Google: Gemini 3.1 Pro Preview or Google: Gemini 3.8 Flash TTS?
Google: Gemini 3.1 Pro Preview has the larger context window (1M tokens).
Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.