Speko
Routes voice models to the best-performing one in the user's language
What is Speko?
Speko is a Text to Speech tool that routes voice models to the best-performing one in the user's language. Speko is a paid tool. It is aimed at developers and enterprise users.
Speko routes each voice model session to the best-performing model in the user's language. It benchmarks 92 speech and language models across 14 languages, measuring cost, performance, and availability to optimize voice workflows.
Built for developers and enterprise users.
Key capabilities
Features
Router
Benchmark Coverage By Language
Score Against Cost Per Stage
Gateway
Use cases
- Benchmark speech and language models across 14 languages
- Evaluate models based on cost and performance
Who it's for
Pros & cons
Pros
- Public API available
- Usage-based pricing
Cons
- No free plan available
Integrations
AI models
- GPT 4o
- Gemini 3.5
- DeepSeek V4
- Qwen 3
- ElevenLabs
Developer & API
Public API available
Security & compliance
- Data deletion
As stated on Speko's website — not independently verified by AiByts.
FAQ
What is Speko?
Speko is a Text to Speech tool that routes voice models to the best-performing one in the user's language. Speko routes each voice model session to the best-performing model in the user's language. It benchmarks 92 speech and language models across 14 languages, measuring cost, performance, and availability to optimize voice workflows.
Is Speko free?
No, Speko is a paid tool.
How much does Speko cost?
Speko is a paid tool.
Does Speko have an API?
Yes, Speko offers a public API for building custom integrations.
Who should use Speko?
Speko is built for developers and enterprise users. Common uses: benchmark speech and language models across 14 languages and evaluate models based on cost and performance.
What does Speko integrate with?
Speko integrates with Anthropic.
What are the best alternatives to Speko?
Similar tools on AiByts include Deepgram, Liso, iSpeech, Smallest.ai and ElevenLabs.
Details are compiled from Speko's website and public sources, last verified Oct 5, 2026. Features and pricing change — confirm on the official site before you buy.
Try Speko
Paid
Tags
- Voice Model Routing
- Language Benchmarking
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