NovaSynth
Stress-test voice and chat agents with realistic synthetic users
NovaSynth is a cloud testing platform for rehearsing voice and chat agent failures before they reach customers. It runs synthetic personas through real SIP calls, LiveKit audio, and chat sessions, then captures traces and scores outcomes to help teams validate fixes.
Agenticness = how independently a tool can take action, scored across 9 dimensions. Scored independently by David Kooi, Skylark Creations — see full rubric → Last re-evaluated 27 October 2026.
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About
NovaSynth is an agent-testing product from Noveum for teams building customer-facing voice and chat agents. Rather than testing only with scripted transcripts, it simulates callers and chat users with goals, moods, accents, interruptions, language...
NovaSynth is most useful for engineering and QA teams that need realistic pre-production testing for voice or conversational agents, particularly where latency, turn-taking, interruptions, telephony behavior, or prompt-injection resistance matter....
Executes tasks you assign, one step at a time, within narrow domains.
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- Free ($0): 2,500 credits/month, 1M spans/month, 2 GB attachment storage, and up to 3 members.
- Pro ($69/mo): 10,000 credits/month, 20M spans/month, 20 GB storage, and up to 10 members. Annual billing is $690/year.
- Growth ($99/mo): 25,000 credits/month, 50M spans/month, 50 GB storage, and up to 15 members. Annual billing is $990/year.
- Max ($199/mo): 50,000 credits/month, 100M spans/month, 100 GB storage, and up to 25 members. Annual billing is $1,990/year.
- Scale ($599/mo): 200,000 credits/month, 500M spans/month, 500 GB storage, and unlimited members. Annual billing is $5,990/year.
- Enterprise: Custom pricing with unlimited credits, spans, attachment storage, and members.
When NovaSynth changes its pricing, we catch it the next morning
We recrawl every tool in this directory daily. AI Insider is the 3-minute brief on what actually changed — pricing, features, score moves on our 36-point rubric — often before any press coverage. Sent daily. Skipped when nothing happened.