audio model comparison
Eleven Multilingual v2 vs TTS-1
Eleven Multilingual v2 and TTS-1 are both current audio models, from ElevenLabs and OpenAI. TTS-1 is 81% cheaper per character than Eleven Multilingual v2, $0.000015 vs $0.00008. On Artificial Analysis Speech Arena, Eleven Multilingual v2 scores 1096 Elo and TTS-1 1090 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 Multilingual v2 | TTS-1 |
|---|---|---|
| Price per character | $0.00008 | $0.000015 (better) |
| Artificial Analysis Speech Arena | 1096 Elo (#8 of 11) (better) | 1090 Elo (#9 of 11) |
| Provider | ElevenLabs | OpenAI |
| Release date | Not reported | Not reported |
| 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 Multilingual v2
Best for
- Long-form multilingual narration
Watch out for
- ElevenLabs now calls it a previous-generation model, priced the same as Eleven v4
TTS-1
Best for
- Low-latency text-to-speech
Watch out for
- OpenAI no longer lists TTS-1 on its models overview, though its model page and $15 per 1M characters price remain
Eleven Multilingual v2 vs TTS-1 FAQ
Which is cheaper, Eleven Multilingual v2 or TTS-1?
TTS-1 is 81% cheaper per character than Eleven Multilingual v2, $0.000015 vs $0.00008.
Which scores higher on independent benchmarks, Eleven Multilingual v2 or TTS-1?
Eleven Multilingual v2 leads on Artificial Analysis Speech Arena, 1096 Elo to 1090 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 TTS-1
- Eleven Multilingual v2 vs Eleven v3
- Eleven Multilingual v2 vs Eleven v4
- Eleven Multilingual v2 vs Eleven v4 Turbo
- Eleven Multilingual v2 vs Sonic 3.6
- Eleven v3 vs TTS-1
- Eleven v4 Turbo vs TTS-1
- Eleven v4 vs TTS-1
- Gemini 3.1 Flash TTS Preview vs TTS-1
Production evaluation
Choosing between Eleven Multilingual v2 and TTS-1?
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