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Guava vs glasstarn

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Guava compared with glasstarn
DetailGuava logo Guavaglasstarn logo glasstarn
What it doesVoice agent API for regulated industries Understand the process before you hand it to an agent
StageEstablished Not given
FoundedNot given Not given
Based inNot given US
Pricing modelFreemium Open source
PricingStarter: Free (500 minutes per year, $0.15 per minute overage). Build: $149 per month (1,500 minutes per year, $0.14 per minute overage). Scale: $499 per month (7,000 minutes per year, $0.13 per minute overage). Enterprise: Custom pricing with volume-based rates and no overages. Not given
Key features
  • Code-based agent logic (Python and TypeScript SDKs)
  • Integrated ASR, language and TTS in one runtime
  • Wideband voice codec (16 kHz)
  • Turn-taking and interruption handling
  • Real-time tuning and debugging tools
  • Quick deployment via CLI
  • Email support and SLA on Scale plan
  • Multi-language support for BPO
  • Escalation to human with full context
  • Connect to AI agents like Claude, ChatGPT, Cursor and Antigravity
  • Works entirely on your laptop with no data sent to external servers
  • Link related records across systems to follow work between them
  • Interactive analysis with live filtering and view updates
  • Works with Excel workbooks and CSV exports
What makes it different
  • Single integrated runtime, not stitched third-party APIs
  • Built-in tenacity: agent retries, re-asks and escalates on failure
  • 14-day deployment from kickoff to live call
  • 99.9% uptime SLA across 100+ regulated deployments
  • Compliance certifications included on all plans at no extra cost
  • Runs on your laptop with no software licence fees
  • Deterministic engine uses minimal AI, keeping costs similar for large and small files
  • No account or setup complexity needed
  • Agent helps identify what to export from your systems
Community votes00
DR (Domain Rating by Ahrefs)40 +1 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)80
Citation Flow (Majestic)370
Referring domains (Majestic)1950

4 details filled in for both companies.

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