gemini-3.1-flash-tts-preview shuts down on 2026-11-17 per Google Gemini API's deprecation page (checked 2026-10-17). The official replacement is gemini-3.8-flash-tts. On the labeled example of 10 million input tokens and 2 million output tokens, gemini-3.8-flash-tts costs $23 a month, lower than $50 for gemini-3.1-flash-tts-preview.
deprecated
| Announced | Not published |
|---|---|
| Deprecated | Not published |
| Shutdown | 2026-11-17 |
| Kind | exact |
Release date on the deprecations page: 2026-02-26.
See the replacement diff · Google Gemini API models
| Input price / 1M | $1 · source, checked 2026-10-17 |
|---|---|
| Output price / 1M | $20 · source, checked 2026-10-17 |
| Cached input / 1M | Not published |
| Context window | 8,192 · source, checked 2026-10-17 |
| Max output | 16,384 · source, checked 2026-10-17 |
| Reasoning | Not published |
| Vision | Not published |
| Tools | Not published |
gemini-3.1-flash-tts-preview shuts down on 2026-11-17 per Google Gemini API's deprecation page (checked 2026-10-17). The official replacement is gemini-3.8-flash-tts. On the labeled example of 10 million input tokens and 2 million output tokens, gemini-3.8-flash-tts costs $23 a month, lower than $50 for gemini-3.1-flash-tts-preview.
The official replacement is gemini-3.8-flash-tts.
gemini-3.1-flash-tts-preview status is deprecated.
gemini-3.1-flash-tts-preview | February 26, 2026 | November 17, 2026 | gemini-3.8-flash-tts or gemini-3.8-flash-lite-tts
gemini-3.1-flash-tts-preview input token limit 8192 | max output tokens 16384