Side by side
TTS-1 and Voxtral Mini TTS 3, line by line
Prices in effect today, compared at the same tier wherever both list one. The better value in each row is highlighted.
| Fact | TTS-1 | Voxtral Mini TTS 3 |
|---|---|---|
| Price | ||
| Price per character | $0.000015 | $0.000013 (better) |
| Independent benchmarks | ||
| Artificial Analysis Speech Arena | 1090 Elo (#9 of 11) | Not measured |
| Specs | ||
| Provider | OpenAI | Mistral AI |
| Release date | Not reported | October 20, 2026 |
| Access | API only | API only |
| Context window | Not reported | Not reported |
| Max output | Not reported | Not reported |
| Input | text | text |
| Output | audio | audio |
No independent benchmark has scored both models yet. Each rank counts the current models scored on that benchmark.
Charts
Against every current audio model
Where TTS-1 and Voxtral Mini TTS 3 land among the current models of their task, on every independent benchmark, on price and on context.
Where each stands
Only TTS-1 has a current Artificial Analysis Speech Arena score: #9 of 11. Each bar is the share of current models it beats.
Independent benchmarks
Artificial Analysis Speech Arena
TTS-1:#9of 11
1,090 Elo · ahead of 20%
Voxtral Mini TTS 3: Not scored
Price and context
Price per character
TTS-1:#2of 8
$0.000015 · cheaper than 86%
Voxtral Mini TTS 3:#1of 8
$0.000013 · cheaper than 100%
Cost
What each costs
Example workloads at each provider's listed rates, then every other rate either one lists. The cheaper figure in each row is highlighted.
The same work, priced
For 1M characters, TTS-1 costs 1.2 times as much as Voxtral Mini TTS 3, at each provider's listed rates.
1M characters
TTS-1 costs 1.2× as much
- TTS-1
- $15
- Voxtral Mini TTS 3
- $13
| Workload or rate | TTS-1 | Voxtral Mini TTS 3 |
|---|---|---|
| Example workloads | ||
| 1M characters | $15 | $13 (better) |
Verdict
When to choose each
TTS-1
Where it leads
No measured lead over Voxtral Mini TTS 3 in this data.
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
Voxtral Mini TTS 3
Where it leads
- Lower price per character, $0.000013 vs $0.000015
Best for
- Multilingual voice agents and narration
- Branded voices cloned from recorded samples
Watch out for
- Language coverage is unclear: the launch post says 35+ languages and 50+ dialects, while the model page lists nine
- Released as a public preview, and Mistral quality claims are not measured independently here
From benchmark to production
Building on TTS-1 or Voxtral Mini TTS 3?
Public scores rarely hold on your own data. We test both models on your real tasks, then build the agent or pipeline around the one that wins.
FAQ
TTS-1 vs Voxtral Mini TTS 3 FAQ
Which is cheaper, TTS-1 or Voxtral Mini TTS 3?
Voxtral Mini TTS 3 is 13% cheaper per character than TTS-1, $0.000013 vs $0.000015.
How much would 1M characters cost with TTS-1 or Voxtral Mini TTS 3?
1M characters comes to $15 with TTS-1 and $13 with Voxtral Mini TTS 3 at their listed rates.
Further reading
More on TTS-1 and Voxtral Mini TTS 3
Production evaluation
Choosing between TTS-1 and Voxtral Mini TTS 3?
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