# Gemini 3.8 Flash TTS

As of 9 October 2026, the parameters below were observed for Gemini 3.8 Flash TTS on Google's own published price list.

Source: Google
Canonical page: https://bertrande.com/en/ai/google/gemini-3-8-flash-tts/
Machine formats: https://bertrande.com/en/ai/google/gemini-3-8-flash-tts/data.json | https://bertrande.com/en/ai/google/gemini-3-8-flash-tts/data.csv
License: CC-BY-4.0, reuse with attribution and a link.

## Parameters

| Parameter | Value | Unit | Observed | Source level | Proof (SHA-256) |
|---|---|---|---|---|---|
| Cache storage price | $0.500 | USD per 1M tokens per hour | 2026-10-09 | L3 | `45b86782849e81ab` |
| Input price (batch tier; text) | $0.250 | USD per 1M tokens | 2026-11-02 | L3 | `f1b71695c933fb01` |
| Input price (flex tier; text) | $0.250 | USD per 1M tokens | 2026-11-02 | L3 | `f1b71695c933fb01` |
| Input price (priority tier; text) | $0.900 | USD per 1M tokens | 2026-11-02 | L3 | `f1b71695c933fb01` |
| Input price (text) | $0.500 | USD per 1M tokens | 2026-11-02 | L3 | `f1b71695c933fb01` |
| Output price (audio) | $9.00 | USD per 1M tokens | 2026-11-02 | L3 | `f1b71695c933fb01` |
| Output price (batch tier; audio) | $4.50 | USD per 1M tokens | 2026-11-02 | L3 | `f1b71695c933fb01` |
| Output price (flex tier; audio) | $4.50 | USD per 1M tokens | 2026-11-02 | L3 | `f1b71695c933fb01` |
| Output price (priority tier; audio) | $16.20 | USD per 1M tokens | 2026-11-02 | L3 | `f1b71695c933fb01` |
| Cache read price (batch tier; input caching) | $0.0625 | USD per 1M tokens | 2026-10-09 | L3 | `45b86782849e81ab` |
| Cache read price (flex tier; input caching) | $0.025 | USD per 1M tokens | 2026-10-09 | L3 | `45b86782849e81ab` |
| Cache read price (input caching) | $0.125 | USD per 1M tokens | 2026-10-09 | L3 | `45b86782849e81ab` |
| Cache read price (priority tier; input caching) | $0.225 | USD per 1M tokens | 2026-10-09 | L3 | `45b86782849e81ab` |
| Cache storage price (batch tier) | $0.500 | USD per 1M tokens per hour | 2026-10-09 | L3 | `45b86782849e81ab` |
| Cache storage price (flex tier) | $0.500 | USD per 1M tokens per hour | 2026-10-09 | L3 | `45b86782849e81ab` |
| Cache storage price (priority tier) | $0.500 | USD per 1M tokens per hour | 2026-10-09 | L3 | `45b86782849e81ab` |

## How this is verified

Every value above was read from the source URL shown on the canonical page, on the date given. We store a SHA-256 fingerprint of the source content at that moment, which is what lets us show later what the source said that day.

No value here was produced, estimated or completed by a language model. Where we have no verified figure, the row is absent rather than filled in.

Method: https://bertrande.com/en/methodology/
Report an error: https://bertrande.com/en/corrections/