audio model comparison
Eleven Flash v2.5 vs Eleven v4 Turbo
Eleven Flash v2.5 and Eleven v4 Turbo are both current audio models, from ElevenLabs. Both cost $0.00004 per character. On Artificial Analysis Speech Arena, Eleven Flash v2.5 scores 1078 Elo and Eleven v4 Turbo 1330 Elo (Artificial Analysis, measured October 13, 2026).
Data verified October 13, 2026 · Dataset 2026-10-13
Side by side
Standard-tier prices in effect today. The better value in each row is highlighted.
| Fact | Eleven Flash v2.5 | Eleven v4 Turbo |
|---|---|---|
| Price per character | $0.00004 | $0.00004 |
| Artificial Analysis Speech Arena | 1078 Elo (#11 of 11) | 1330 Elo (#1 of 11) (better) |
| Provider | ElevenLabs | ElevenLabs |
| Release date | Not reported | September 28, 2026 |
| Access | API only | API only |
| Context window | Not reported | Not reported |
| Max output | Not reported | Not reported |
| Input | text | text |
| Output | audio | audio |
When to choose each
Eleven Flash v2.5
Best for
- Low-latency multilingual speech
Watch out for
- Built for latency rather than expressiveness; Eleven v4 Turbo now sells at the same $0.04 per 1,000 characters
Eleven v4 Turbo
Best for
- Realtime voice agents
- Low-latency streaming speech
Watch out for
- ElevenLabs' latency figures exclude application and network latency
Eleven Flash v2.5 vs Eleven v4 Turbo FAQ
Which is cheaper, Eleven Flash v2.5 or Eleven v4 Turbo?
Both cost $0.00004 per character.
Which scores higher on independent benchmarks, Eleven Flash v2.5 or Eleven v4 Turbo?
Eleven v4 Turbo leads on Artificial Analysis Speech Arena, 1330 Elo to 1078 Elo. Scores are independent evaluations, not either vendor's launch figures.
Related comparisons
- Eleven Flash v2.5 vs Eleven Multilingual v2
- Eleven Flash v2.5 vs Eleven v3
- Eleven Flash v2.5 vs Eleven v4
- Eleven Flash v2.5 vs Sonic 3.6
- Eleven Flash v2.5 vs TTS-1
- Eleven Multilingual v2 vs Eleven v4 Turbo
- Eleven v3 vs Eleven v4 Turbo
- Eleven v4 Turbo vs Gemini 3.8 Flash TTS
- Eleven v4 Turbo vs Sonic 3.6
- Eleven v4 Turbo vs TTS-1
Production evaluation
Choosing between Eleven Flash v2.5 and Eleven v4 Turbo?
Public benchmarks narrow the shortlist. We run both on your own tasks, data and cost limits, then build the routing and review controls to run the winner in production.
- A head-to-head evaluation on your real workload
- Routing between models by cost and difficulty