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Retrace vs Celest

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

Retrace compared with Celest
DetailRetrace logo RetraceCelest logo Celest
What it doesThe execution replay engine for AI agents One place to understand and operate AI agents across Microsoft
StageNot given Not given
FoundedNot given Not given
Based inIN US
Pricing modelFreemium Free
PricingFree plan includes 1,000 traces/mo and 7-day retention. Starter at $29/mo adds 10,000 traces/mo and 30-day retention. Pro at $99/mo includes 50,000 traces/mo, 90-day retention, and unlimited fork replays. Teams at $399/mo provides 500,000 traces/mo, 365-day retention, up to 10 users, and 1,000 prove Not given
Key features
  • Record every LLM call, tool call, and error with one decorator
  • Step-by-step replay of agent executions
  • Fork and cascade-replay from any failing step
  • Prove-the-fix verification before shipping
  • Runtime guardrails and circuit breakers
  • CI/CD regression gates
  • Multi-agent session tracking and topology graphs
  • Automatic hallucination and drift detection
  • Semantic search across agent runs
  • PII auto-redaction on every plan
  • Agent Estate Review: read-only review connecting fragmented agent ownership, capability, usage, cost, and risk records
  • Helpdesk Triage: AI ticket triage for SharePoint service desks with operator approval
  • Agent Workbench: open, refine, and export Microsoft 365 Copilot agent packages
  • 30/60/90-day operating plan generation
  • Source-backed inventory with identity, ownership and authority tracking
  • Review trails for accountability
What makes it different
  • Turns production failures into regression tests that fail builds when behavior breaks
  • Connects fragmented Microsoft records into one accountable operating picture
  • Makes agent workforce explicit and operable within two weeks
  • Operator retains final authority over all changes
  • Evidence-backed decision trails throughout the platform
Community votes00
DR (Domain Rating by Ahrefs)6 +1 (up) since last check16 no change since last check
Trust Flow (Majestic)207
Citation Flow (Majestic)2526
Referring domains (Majestic)11588

5 details filled in for both companies.

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