audio model comparison
Eleven Flash v2.5 vs MAI-Voice-2.1
Eleven Flash v2.5 and MAI-Voice-2.1 are both current audio models, from ElevenLabs and Microsoft AI. MAI-Voice-2.1 is 45% cheaper per character than Eleven Flash v2.5, $0.000022 vs $0.00004.
Data verified October 29, 2026 · Dataset 2026-10-29
Side by side
Eleven Flash v2.5 and MAI-Voice-2.1, 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 | Eleven Flash v2.5 | MAI-Voice-2.1 |
|---|---|---|
| Price | ||
| Price per character | $0.00004 | $0.000022 (better) |
| Independent benchmarks | ||
| Artificial Analysis Speech Arena | 1078 Elo (#11 of 11) | Not measured |
| Specs | ||
| Provider | ElevenLabs | Microsoft AI |
| Release date | Not reported | October 1, 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 Eleven Flash v2.5 and MAI-Voice-2.1 land among the current models of their task, on every independent benchmark, on price and on context.
Where each stands
Only Eleven Flash v2.5 has a current Artificial Analysis Speech Arena score: #11 of 11. Each bar is the share of current models it beats.
Independent benchmarks
Artificial Analysis Speech Arena
Eleven Flash v2.5:#11of 11
1,078 Elo · ahead of 0%
MAI-Voice-2.1: Not scored
Price and context
Price per character
Eleven Flash v2.5:#5of 10
$0.00004 · cheaper than 44%
MAI-Voice-2.1:#4of 10
$0.000022 · cheaper than 67%
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, Eleven Flash v2.5 costs 1.8 times as much as MAI-Voice-2.1, at each provider's listed rates.
1M characters
Eleven Flash v2.5 costs 1.8× as much
- Eleven Flash v2.5
- $40
- MAI-Voice-2.1
- $22
| Workload or rate | Eleven Flash v2.5 | MAI-Voice-2.1 |
|---|---|---|
| Example workloads | ||
| 1M characters | $40 | $22 (better) |
Verdict
When to choose each
Eleven Flash v2.5
Where it leads
- Supports realtime voice
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
MAI-Voice-2.1
Where it leads
- Lower price per character, $0.000022 vs $0.00004
Best for
- Multilingual products that keep one voice across languages
- Narration and dialogue with controlled delivery
Watch out for
- Microsoft Foundry lists it as a preview, and voice cloning needs Microsoft approval
- No independent benchmark score is recorded here yet
From benchmark to production
Building on Eleven Flash v2.5 or MAI-Voice-2.1?
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
Eleven Flash v2.5 vs MAI-Voice-2.1 FAQ
Which is cheaper, Eleven Flash v2.5 or MAI-Voice-2.1?
MAI-Voice-2.1 is 45% cheaper per character than Eleven Flash v2.5, $0.000022 vs $0.00004.
How much would 1M characters cost with Eleven Flash v2.5 or MAI-Voice-2.1?
1M characters comes to $40 with Eleven Flash v2.5 and $22 with MAI-Voice-2.1 at their listed rates.
How do Eleven Flash v2.5 and MAI-Voice-2.1 differ in features?
Only Eleven Flash v2.5 supports realtime voice.
Further reading
More on Eleven Flash v2.5 and MAI-Voice-2.1
Related comparisons
- Eleven Flash v2.5 vs Eleven v4
- MAI-Voice-2.1 vs Voxtral Mini TTS 3
- Eleven Flash v2.5 vs Eleven v4 Turbo
- Eleven Multilingual v2 vs MAI-Voice-2.1
- Eleven Flash v2.5 vs Sonic 3.6
- Eleven v3 vs MAI-Voice-2.1
- Eleven Flash v2.5 vs Eleven Multilingual v2
- Eleven v4 Turbo vs MAI-Voice-2.1
- Eleven Flash v2.5 vs Eleven v3
- Eleven v4 vs MAI-Voice-2.1
- Eleven Flash v2.5 vs TTS-1
- MAI-Voice-2.1 vs MAI-Voice-2.1-Flash
Production evaluation
Choosing between Eleven Flash v2.5 and MAI-Voice-2.1?
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