NovaSynth

NovaSynth

Noveum
Kayba NovaSynth

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Kayba:

About

Kayba makes AI agents self-improve from experience. It learns from an agent’s execution traces to detect failures, fix them, and measure whether the fix actually worked. Instead of relying on generic evals that cannot explain why an agent failed, Kayba derives failure modes from the agent’s own traces and builds custom benchmarks for the user’s domain, so teams can measure improvement against real production failure patterns. Kayba wires tracing into an agent with one line of setup, watches it around the clock, and flags the moment a step stops being recorded. Even good tracing rots as teams ship changes, and steps can quietly stop being captured; Kayba checks the tracing users already have, shows exactly what is broken, points to the file that needs attention, and sends the gap to a coding agent through MCP. The coding agent patches the issue, and Kayba verifies that the trace is actually closed.
NovaSynth:

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.
Kayba:

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
NovaSynth:

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
Kayba:

Audience

AI development teams that need to diagnose agent failures, generate reviewable fixes, and track whether those fixes improve performance over time
NovaSynth:

Audience

Developers and QA teams building voice AI agents and testing phone-, LiveKit-, or HTTP Chat-connected agents before deployment and after changes.
Kayba:

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported
NovaSynth:

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported
Kayba:

API

Offers API Not Supported
NovaSynth:

API

Offers API Supported
Kayba:

Screenshots and Videos

NovaSynth:

Screenshots and Videos

Kayba:

Pricing

Free
Free Version Supported
Free Trial Not Supported
NovaSynth:

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
Kayba:

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software
NovaSynth:

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software
Kayba:

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
NovaSynth:

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported
Kayba:

Company Information

Kayba
Founded: 2025
United States
kayba.ai/
NovaSynth:

Company Information

Noveum
Founded: 2023
United States
noveum.ai/en/novasynth
Kayba:

Alternatives

NovaSynth:

Alternatives

Kayba:
NovaSynth:
Kayba:
Netra

Netra

5.0 out of 5 stars
NovaSynth:
Atmee

Atmee

Atmanity
Kayba:
NovaSynth:
Kayba:
NovaSynth:
Kayba:

Categories

NovaSynth:

Categories

AI Testing Tools Supported
Kayba:

Integrations

LiveKit Not Supported
Model Context Protocol (MCP) Supported
NovaSynth:

Integrations

LiveKit Supported
Model Context Protocol (MCP) Not Supported
Kayba:
Claim Kayba and update features and information
Claim Kayba and update features and information
NovaSynth:
Claim NovaSynth and update features and information
Claim NovaSynth and update features and information