Flash v2.5 text-to-speech model

ElevenLabsReleased Dec 2024.

Flash v2.5 is a text-to-speech (TTS) model from ElevenLabs. It ranks #50 of 98 on the Artificial Analysis TTS arena with Elo 1078 (95% CI ±11, 5,849 samples). On TTS Arena V2 it scores Elo 1498 (±22, 1,199 votes). List price is about $50 per 1M characters. Released Dec 2024.

Key facts

AA Elo1078±11#50 / 98
TTS Arena Elo1498±22TTS Arena votes 1,199
Price (per 1M chars)$50USD
ReleasedDec 2024Open weights:–
Provider
ElevenLabs
AA rank
#50 / 98
AA Elo (95% CI)
1078 ±11
AA samples
5,849
TTS Arena Elo (uncertainty)
1498 ±22
TTS Arena votes
1,199
TTS Arena win rate
51.1%
Price (per 1M chars)
$50
Released
Dec 2024
Open weights
–
License
–
Voices tested by AA
7
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
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–
53Journey Google1075–$160–

Alternatives · Cheaper with AA Elo ≥ 1048

#ModelAA EloArena EloPrice $/1M charsOpen weights
1Eleven v4 Turbo ElevenLabs1336–$40–
3Qwen-Audio-3.1-TTS-Plus Alibaba1307–$19.3–
4CSonic 3.6 Cartesia1292–$49–
5Gemini 3.8 Flash TTS Google1280–$16.5–
6IRealtime TTS-2 Inworld1270–$20.8–

Alternatives · More from ElevenLabs

#ModelAA EloArena EloPrice $/1M charsOpen weights
1Eleven v4 Turbo ElevenLabs1336–$40–
2Eleven v4 ElevenLabs1332–$80–
14v3 Conversational ElevenLabs1215–$50–
21Eleven v3 ElevenLabs11841498$100–
42Turbo v2.5 ElevenLabs10991497$50–

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 Flash v2.5 rank among TTS models?

As of Oct 25, 2026, Flash v2.5 ranks #50 of 98 on the Artificial Analysis TTS leaderboard with Elo 1078 (±11).

Is Flash v2.5 open source?

The sources do not list Flash v2.5 as open-weight; it is generally used through the ElevenLabs 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.