Gemini 2.5 Flash Lite TTS text-to-speech model

GoogleReleased Dec 2025.

Gemini 2.5 Flash Lite TTS is a text-to-speech (TTS) model from Google. It ranks #49 of 98 on the Artificial Analysis TTS arena with Elo 1087 (95% CI ±11, 3,322 samples). List price is about $9.2 per 1M characters. Released Dec 2025.

Key facts

AA Elo1087±11#49 / 98
TTS Arena Elo–TTS Arena V2
Price (per 1M chars)$9.2USD
ReleasedDec 2025Open weights:–
Provider
Google
AA rank
#49 / 98
AA Elo (95% CI)
1087 ±11
AA samples
3,322
TTS Arena Elo (uncertainty)
–
TTS Arena votes
–
TTS Arena win rate
–
Price (per 1M chars)
$9.2
Released
Dec 2025
Open weights
–
License
–
Voices tested by AA
5
Languages
–
Voice cloning
–

"–" means the upstream sources do not provide this value; we do not guess.

Nearby models

By AA Elo; this model highlighted
#ModelAA EloArena EloPrice $/1M charsOpen weights
46Voxtral TTS Mistral1091–$16Open
47TTS-1 OpenAI1089–$15–
48OpenAudio S1 Fish Audio10871491$15–
49Gemini 2.5 Flash Lite TTS Google1087–$9.2–
50Flash v2.5 ElevenLabs10781498$50–
51GPT-Realtime-2 OpenAI1077–$191.6–
52Studio Google1076–$160–

Alternatives · Cheaper with AA Elo ≥ 1057

#ModelAA EloArena EloPrice $/1M charsOpen weights
10SSimba 3.2 SpeechifyAI1246–$6.6–
36SSimba 3.0 SpeechifyAI1119–$6.6–
57KKokoro 82M v1.0 Kokoro10661468$0.7Open

Alternatives · More from Google

#ModelAA EloArena EloPrice $/1M charsOpen weights
5Gemini 3.8 Flash TTS Google1280–$16.5–
8Gemini 3.8 Flash-Lite TTS Google1252–$11–
16Gemini 3.1 Flash TTS Google1213–$18.3–
52Studio Google1076–$160–
53Journey Google1075–$160–

Alternatives · Top 5 open-weight by AA Elo

#ModelAA EloArena EloPrice $/1M charsOpen weights
9Fish Audio Drama 3 Preview Fish Audio1248–$15Open
11BBreeze TTS 2 BreezeBlue1230–$34Open
19Ming-3.0-tts Ant Group1191––Open
38Fish Audio S2 Pro Fish Audio1110–$15Open
41Step Audio EditX (Mar 2026) StepFun1100––Open

FAQ

Where does Gemini 2.5 Flash Lite TTS rank among TTS models?

As of Oct 25, 2026, Gemini 2.5 Flash Lite TTS ranks #49 of 98 on the Artificial Analysis TTS leaderboard with Elo 1087 (±11).

Is Gemini 2.5 Flash Lite TTS open source?

The sources do not list Gemini 2.5 Flash Lite TTS as open-weight; it is generally used through the Google API.

What is the best Chinese TTS model?

By AA Elo, the top model from a Chinese provider is Qwen-Audio-3.1-TTS-Plus by Alibaba (Elo 1307, #3 overall).

Which top-10 TTS model is cheapest?

Among the AA top 10, the lowest list price is Simba 3.2 (SpeechifyAI) at $6.6 per 1M characters, Elo 1246.

What is the best open-source TTS model?

By AA Elo, the top open-weight model is Fish Audio Drama 3 Preview by Fish Audio (Elo 1248, #9 overall); 18 open-weight models have an AA score.

Sources

"–" means the upstream sources do not provide this value; we do not guess.