Valence AI
An API service for voice emotion detection with real-time short-audio and async long-audio modes, plus Python/JavaScript SDKs.
β Pros / Advantages
- β’ Fast real-time response (100-500ms)
- β’ Handles large audio (up to 1GB) via async
- β’ Python and JavaScript SDKs
- β’ Privacy-focused (no storage on discrete API)
- β’ Custom model options
β Cons / Limitations
- β’ Limited to North American English
- β’ No public pricing
- β’ Async API SDK-only, no direct HTTP
- β’ Streaming API still 'coming soon'
- β’ Emotion-model selection also 'coming soon'
π° Pricing Plans
Unknown
Pricing details are gathered from public sources and are subject to change. Please visit the official website for real-time rates.
Last updated: July 2026 Β· 9bests editorial review
β Who should use Valence AI
- β’ Fast real-time response (100-500ms)
- β’ Handles large audio (up to 1GB) via async
- β’ Python and JavaScript SDKs
- β’ Privacy-focused (no storage on discrete API)
- β’ Custom model options
β οΈ Who should look elsewhere
- β’ Limited to North American English
- β’ No public pricing
- β’ Async API SDK-only, no direct HTTP
- β’ Streaming API still 'coming soon'
- β’ Emotion-model selection also 'coming soon'
π― Common use cases
Token and spend tracking
Caching and routing LLM calls
Cost alerts and budgeting
βοΈ Valence AI vs SemanticGuard
| Valence AI | SemanticGuard | |
|---|---|---|
| Rating | 3.75/5 | 3.8/5 |
| Pricing | Unknown | From $49/mo |
| Key strength | Fast real-time response (100-500ms) | Measurable cost reduction (35-45%) |
See the full head-to-head in our Valence AI vs SemanticGuard comparison.
β Frequently asked questions
Is Valence AI free?
+
Valence AI does not offer a free tier; current pricing is Unknown.
What is Valence AI best for?
+
Valence AI is best for Fast real-time response (100-500ms) and Handles large audio (up to 1GB) via async. An API service for voice emotion detection with real-time short-audio and async long-audio modes, plus Python/JavaScript SDKs.
How does Valence AI compare to SemanticGuard?
+
Valence AI (3.75/5) and SemanticGuard (3.8/5) serve overlapping needs. Valence AI stands out for Fast real-time response (100-500ms), while SemanticGuard is stronger at Measurable cost reduction (35-45%). Choose based on your priority.
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