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Prefactor

The agent observability and evaluation platform for production AI agents. Prefactor continuously scores every agent (quality, hallucinations, cost) then...

Visit Prefactorprefactor.tech
Free plansydney
Prefactor screenshot, image 1

Overview

AI summary

Prefactor is designed as an observability and evaluation platform for production AI agents, continuously scoring agent performance in terms of quality, hallucinations, and cost. It provides real-time evaluations and integrates with various data sources to enhance the decision-making process during agent runs.

Sources behind this listingSee source links, recorded dates and owner corrections.

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TaglineThe agent observability and evaluation platform for production AI agents. Prefactor continuously scores every agent (quality, hallucinations, cost) then...
ObservedRecorded Source: prefactor.tech
DescriptionThe agent observability and evaluation platform for production AI agents. Prefactor continuously scores every agent (quality, hallucinations, cost) then...
ObservedRecorded Source: prefactor.tech
Free planYes
ObservedRecorded Source: prefactor.tech
Free trialNot stated
Source not recordedDate not recordedSource link unavailable
Pricing modelfreemium
AI-inferredRecorded Source: prefactor.tech
IntegrationsCalendly, GitHub, Intercom, Jira, Linear, Slack, n8n
ObservedRecorded Source: prefactor.tech
Company locationsydney
ObservedRecorded Source: prefactor.tech
Plan: DevFree
AI-inferredRecorded Source: prefactor.tech
Plan: Startup$49/mo
AI-inferredRecorded Source: prefactor.tech
Plan: Scaleup$199/mo
AI-inferredRecorded Source: prefactor.tech
Plan: EnterpriseCustom
AI-inferredRecorded Source: prefactor.tech
SummaryPrefactor is designed as an observability and evaluation platform for production AI agents, continuously scoring agent performance in terms of quality, hallucinations, and cost....
AI-inferredRecorded Source link unavailable

Pricing

Pricing recorded 15 September 2026Pricing page
Dev
Free
spans
5000
agents
3
data retention
7 days
  • Free 5,000 spans included
  • No credit card required
  • Every step recorded
Startup
$49/mo
$41.58/mo billed yearly
Flat
spans
15000
agents
unlimited
data retention
3 months
  • Ship agents to real users
  • Unlimited seats
  • 3-month data retention
Scaleup
$199/mo
$166.67/mo billed yearly
Flat
spans
100000
agents
unlimited
data retention
12 months
  • Agents in production
  • 100% of activity, real time
  • 12-month data retention
Enterprise
Custom
spans
Custom
agents
unlimited
data retention
12 months
  • 4M+ spans a month
  • Custom rates that step down with scale
  • Self-hosted deployment
Enterprise tierStartup discountFree tier: 5,000 spans included, no credit card required

Who Is It For

Best for

Organizations looking to enhance the reliability and performance of their AI agents in production environments, particularly those that require real-time monitoring and evaluation.

–Not for

Teams that do not utilize AI agents or those seeking a simple monitoring solution without advanced evaluation features.

Strengths & Weaknesses

Biggest strength

The ability to continuously score and evaluate AI agents in real-time, allowing for immediate action on risky runs and integration with existing workflows and data sources.

Biggest weakness

Pricing details are not visible, which may limit transparency for potential users evaluating cost-effectiveness. (AI-inferred; may be outdated. Founders can correct this)

Classification

Competitors
Weights & BiasesDataRobotNeptune.aiSeldon

Alternatives to Prefactor

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Community

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How we sourced this: Observed fields () were crawled from https://prefactor.tech/ when recorded. Source links and dates are available above. AI-inferred fields () were generated by gpt-4o-mini and are always labelled, never presented as measured fact. Last updated: 8 October 2026. Site availability checked: 8 October 2026.