GoogleElevenLabsAudio matchupSpeech output
Gemini 3.1 Flash TTSvs.Eleven Flash v2.5
Which model is better?
Gemini 3.1 Flash TTS does better in independent tests.
Independent testsArtificial Analysis
Gemini 3.1 Flash TTSahead1 of 1
Eleven Flash v2.50 of 1
Popularityout of 100
Gemini 3.1 Flash TTSahead44
Eleven Flash v2.522
Weights and access
Gemini 3.1 Flash TTSproprietary
Eleven Flash v2.5proprietary
Released
Gemini 3.1 Flash TTSn/a
Eleven Flash v2.5n/a
Pick Gemini 3.1 Flash TTS for
Artificial Analysismore popular
Pick Eleven Flash v2.5 for
No clear edge
Shared tests
Independent evaluators and leaderboards only, the newest shared snapshot per evaluator. With 95 % ranges a lead counts when they do not overlap; for hit rates, when it holds in a 95 % test. Without any uncertainty figure at most “slightly ahead”.
Artificial Analysis
Gemini 3.1 Flash TTS aheadArtificial Analysis Provider Voice Arena preference
Gemini 3.1 Flash TTS1,213
Eleven Flash v2.51,075
95 % ranges 1,202 to 1,224 and 1,065 to 1,085, as of November 3, 2026
Source · latest November 3, 2026
All data side by side
Prices are verbatim from the provider, because audio models bill per minute, character or token.
| Gemini 3.1 Flash TTS | Eleven Flash v2.5 | |
|---|---|---|
| Task | Speech output | Speech output |
| Developer | ElevenLabs | |
| Status | Preview | Active |
| Weights | proprietary | proprietary |
| Runs locally | no | no |
| Popularity (out of 100) | 44 | 22 |
More comparisons with Gemini 3.1 Flash TTS and Eleven Flash v2.5
Gemini 3.1 Flash TTSvs.Fish Audio S2 ProGemini 3.1 Flash TTSvs.Kokoro-82MGemini 3.1 Flash TTSvs.Sonic 3.6Gemini 3.1 Flash TTSvs.Eleven v3GPT-4o Mini TTSvs.Gemini 3.1 Flash TTSGemini 3.1 Flash TTSvs.Voxtral Mini TTSEleven Flash v2.5vs.Sonic 3.6Eleven Flash v2.5vs.Aura-2Eleven Flash v2.5vs.Fish Audio S2 Pro