Mistral

Voxtral 3 TTS

Mistral’s speech-synthesis Voxtral tier — expressive multilingual TTS in the Mistral stack.

#16released Oct 9, 2026·Proprietary·Not disclosed
textaudio32K ctx
Intelligence
90.2 #16
AAQI 90.0
Output Speed
165 t/s
ITL 6.1 ms/tok
Blended price (3:1)
$0.019 /1M
In $0.015/M · Out $0.03/M
Context
32K
≈ 80 A4 pages · max out 8,192

Quality Domain Radar

6-Axis Frontier Evaluation vs Category Average & Flagship

Voxtral 3 TTS
Claude Mythos Preview (#1)
Average (68)
Coding (15)Mathematics (15)Hard Science (GPQA) (33)Agentic & Tool Use (52)Knowledge (MMLU) (47)Vision / Multimodal (87)

Radar axes are approximated from category scores where direct benchmark measurements are missing — see Methodology.

Strengths & Trade-offs

Where it wins

  • Top EU-language prosody
  • One vendor for LLM + TTS + STT
  • Competitive latency for conversational use

Trade-offs to watch

  • English voices trail Eleven v3 on emotion
  • Smaller voice library than ElevenLabs
  • Closed weights

Killer Use Cases

European voice products
Native-quality fr/de/es/it synthesis.
Mistral-native agents
Voice loops inside the Mistral stack.
Accessibility readouts
Natural long-form reading for apps.

Developer Quickstart & API

Set MISTRAL_API_KEY first — get an API key
curl https://api.mistral.ai/v1/chat/completions \
  -H "Authorization: Bearer $MISTRAL_API_KEY" \
  -H "content-type: application/json" \
  -d '{
    "model": "voxtral-3-tts",
    "messages": [{"role": "user", "content": "Refactor this function for O(n) time and explain the change."}]
  }'

Official Resources & Links

API deployment

Compare hosts & latency

Throughput, TTFT and cache pricing across Groq, Cerebras, Together, DeepInfra, Fireworks, Bedrock and Azure.

GroqCerebrasTogether AIDeepInfraFireworks AIAWS BedrockAzure AI
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Scores by Source

Head-to-head Live Matchups

Live Specs & Architecture

Under the hood
Voxtral 3 TTS — Mistral speech synthesis
  • Shares the Voxtral audio encoder lineage
  • Expressive multilingual voices with style prompts
  • Native EU-language coverage (fr/de/es/it/pt)
  • Integrates with Mistral chat and agents
Release date
Oct 9, 2026
Architecture
Voxtral 3 TTS — Mistral speech synthesis
Parameters
Not disclosed
License
Proprietary
Context Window
32,000 tokens
Max Output
8,192 tokens
Modalities
text + audio
Cache Pricing
read $0.005 · write $0.019 /1M
Reasoning
—
Input Price
$0.015/M
Output Price
$0.03/M
Output Speed
165 t/s
Time to First Token
—
Data Updated
Oct 22, 2026

Estimated monthly bill

Estimated monthly spend
$0.00
Calculating savings vs GPT-4o...

Cite & embed

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BibTeX
@misc{llmpodium2026voxtral3tts,
  title = {Benchmark Analysis and Intelligence Evaluation of Voxtral 3 TTS},
  author = {LLMPodium Research},
  year = {2026},
  url = {https://llmpodium.com/models/voxtral-3-tts}
}

Embed Score Badge

Add a live Podium Score badge to your GitHub or Hugging Face README — it links back to the live ranking.

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Voxtral 3 TTS LLMPodium Score
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