Gemini 3.8 Flash-Lite TTS ranks first on 3 of the 7 benchmarks with five or more models scored.
Google DeepMind Sep 2026 Closed weights
Its best score on each benchmark, and where that ranks among every model with a score there. We rank each model once, at its best setting.
| Benchmark | Score | Rank | Source | |
|---|---|---|---|---|
| Voice Arena Brazilian Portuguese | 1,127 | #1 of 7 | Official leaderboard | |
| Voice Arena US English | 1,081 | #1 of 7 | Official leaderboard | |
| Voice Arena Vietnamese | 1,141 | #1 of 7 | Official leaderboard | |
| Voice Arena Arabic MSA | 1,172 | #2 of 7 | Official leaderboard | |
| Voice Arena Mexican Spanish | 1,135 | #2 of 7 | Official leaderboard | |
| Voice Arena Hindi | 1,057 | #3 of 9 | Official leaderboard | |
| Voice Arena Japanese | 1,136 | #2 of 6 | Official leaderboard | |
| Voice Arena Indian English | 1,066 | #1 of 2 | Official leaderboard | |
| Voice Arena Bahasa | 1,117 | #2 of 3 | Official leaderboard | |
| Voice Arena Tagalog | 1,004 | #2 of 3 | Official leaderboard | |
| Hume AI Overall Quality Index | 0.9 | #2 of 2 | Lab model card | |
| Voice Arena French | 1,057 | #2 of 2 | Official leaderboard | |
| Voice Arena German | 1,033 | #2 of 2 | Official leaderboard |
Where the benchmark's own leaderboard, or Epoch AI's run, also has this model. Gaps mostly come from different harnesses, effort levels and task subsets. Every pair.
| Benchmark | Lab says | Board says | Gap |
|---|---|---|---|
| Voice Arena Hindi | 1,076 Voice Arena hindi, Elo, Gemini speech generation model page | 1,057 Leaderboard | +19 |
| Voice Arena Japanese | 1,152 Voice Arena japanese, Elo, Gemini speech generation model page | 1,136 Leaderboard | +16 |
| Voice Arena Vietnamese | 1,156 Voice Arena vietnamese, Elo, Gemini speech generation model page | 1,141 Leaderboard | +15 |
| Voice Arena Mexican Spanish | 1,146 Voice Arena mexican spanish, Elo, Gemini speech generation model page | 1,135 Leaderboard | +11 |
| Voice Arena Arabic MSA | 1,181 Voice Arena arabic msa, Elo, Gemini speech generation model page | 1,172 Leaderboard | +9 |
| Voice Arena Brazilian Portuguese | 1,134 Voice Arena brazilian portuguese, Elo, Gemini speech generation model page | 1,127 Leaderboard | +7 |
| Voice Arena US English | 1,087 Voice Arena us english, Elo, Gemini speech generation model page | 1,081 Leaderboard | +6 |
Every result in the longer documents the lab published with it. 8 of them aren't in the launch post.