NovaSynthNoveum
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OpikComet
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Related Products
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About
NovaSynth is a web-based platform for testing voice and chat AI agents. Developers and QA teams connect an agent through a phone, LiveKit, or HTTP Chat connection, then define synthetic caller personas and conversation scenarios. Single or batch runs can exercise interruptions, background noise, accents, and other edge cases. NovaSynth records sessions and traces, with transcripts and evaluation results teams can review to identify failures and compare runs after agent changes. It supports evaluation and regression testing before and after deployment. Usage is credit-based: the free plan includes 2,500 credits per month, and Pro starts at $69/month with 10,000 credits. Voice calls use 100 credits per minute, text conversations use 12 credits each, and evaluation may consume additional credits. Teams need an account and a configured, reachable agent connection for testing.
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About
Confidently evaluate, test, and ship LLM applications with a suite of observability tools to calibrate language model outputs across your dev and production lifecycle. Log traces and spans, define and compute evaluation metrics, score LLM outputs, compare performance across app versions, and more. Record, sort, search, and understand each step your LLM app takes to generate a response. Manually annotate, view, and compare LLM responses in a user-friendly table. Log traces during development and in production. Run experiments with different prompts and evaluate against a test set. Choose and run pre-configured evaluation metrics or define your own with our convenient SDK library. Consult built-in LLM judges for complex issues like hallucination detection, factuality, and moderation. Establish reliable performance baselines with Opik's LLM unit tests, built on PyTest. Build comprehensive test suites to evaluate your entire LLM pipeline on every deployment.
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Platforms Supported
Windows
Supported
Mac
Supported
Linux
Supported
Cloud
Supported
On-Premises
Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
Developers and QA teams building voice AI agents and testing phone-, LiveKit-, or HTTP Chat-connected agents before deployment and after changes.
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Audience
Developers looking for a solution to evaluate, test, and monitor their LLM applications
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Supported
24/7 Live Support
Supported
Online
Supported
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API
Offers API
Supported
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API
Offers API
Supported
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
$69/month
The free plan includes 2,500 shared credits per month. Pro costs $69/month and includes 10,000 credits per month. Voice calls use 100 credits per minute, and text conversations use 12 credits each. Some evaluation checks consume additional credits. One-time credit packs are available and do not expire.
Free Version
Supported
Free Trial
Not Supported
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Pricing
$39 per month
Free Version
Supported
Free Trial
Supported
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Reviews/
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Reviews/
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Pros & Cons from Real UsersPros
Cons
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Supported
Live Online
Supported
In Person
Supported
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Company InformationNoveum
Founded: 2023
United States
noveum.ai/en/novasynth
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Company InformationComet
Founded: 2017
United States
www.comet.com/site/products/opik/
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Alternatives |
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Categories |
Categories |
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Integrations
Azure OpenAI Service
Not Supported
Claude
Not Supported
Claude for Legal
Not Supported
DeepEval
Not Supported
Flowise
Not Supported
Hugging Face
Not Supported
Kong AI Gateway
Not Supported
LangChain
Not Supported
LiteLLM
Not Supported
LiveKit
Supported
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Integrations
Azure OpenAI Service
Supported
Claude
Supported
Claude for Legal
Supported
DeepEval
Supported
Flowise
Supported
Hugging Face
Supported
Kong AI Gateway
Supported
LangChain
Supported
LiteLLM
Supported
LiveKit
Not Supported
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