Free
Instrument a production agent end to end. No credit card, no trial clock.
$0forever
Start free →50K
traces / month
14 days
retention
2
projects
1
seat
Includes
✓Traces, sessions, agents, tools and models
✓Issue clustering and silent-failure detection
✓Prompt versions, labels and webhooks
✓Cost tracking and pre-built guardrails
✓ZespanPilot: 10 queries / month
Solo
Enforce your own rules on your agent, and stop hitting a monthly ceiling.
$29/ month
Start free →100K
traces + overage
30 days
retention
10
projects
2
seats
Everything in Free, plus
✓Author and edit your own guardrails
✓Block and redact enforcement
✓Guardrail templates
✓ZespanPilot: 60 queries / month
Pro
Most popularTurn a failure you’ve already seen into a policy, backtested and then enforced.
$149/ month
Start free →500K
traces + overage
90 days
retention
Unlimited
projects
10
seats
Everything in Solo, plus
✓Policy-as-Code: backtest and enforce
✓Evaluations, runs and custom scorers
✓Alerts, audit log and Cost Explorer
✓Playground and AI prompt optimizer
✓ZespanPilot: 200 queries / month
Team
Incident response, simulations and SSO for teams running agents in production.
$299/ month
Start free →2M
traces + overage
180 days
retention
Unlimited
projects
15
seats
Everything in Pro, plus
✓Incidents with AI root cause
✓Simulations and annotation queues
✓Anomaly detection and agent governance
✓SSO (SAML / OIDC) and user analytics
✓ZespanPilot: 1,000 queries / month
Enterprise
The Scale plan, for large teams and regulated environments. Priced with your team around your volume and deployment.
Custom
Talk to our team →Everything in Team, plus the following.
Deployment and scale
✓10M+ traces sized to your traffic
✓365-day retention or custom
✓Self-hosted in your environment
✓Unlimited seats and ZespanPilot
✓Dedicated SLA and named support
✓Custom integrations
Security and compliance
✓SSO SAML or OIDC
✓Role-based access on every project
✓Approval flows for risky tool calls
✓Audit log with CSV export
✓Compliance evidence packs
✓Bring your own keys
For startups
We’re a startup too. Budget shouldn’t decide whether your agents work.
Early teams ship agents fast and find out about failures from their first customers. If you’re building on a tight budget, tell us your stage and what you’re building, and we’ll work out credits or a discount that fits.
Credits to get started
Use paid features before you have the revenue for them.
Discounts on paid plans
A lower price on Solo, Pro or Team while you’re early.
Free while you decide
The free plan has no time limit, so you can start before you apply.
Estimate your monthly cost.
Set your trace volume and team size. Overage is billed at $2.50 per 50,000 traces past your plan’s limit.
Recommended
Pro$149/ month
$149 base
Estimates before tax. Scale is priced with your team.
Compare every plan.
Questions about pricing.
Something else on your mind? Write to letstalk@zespan.com.
On Free, ingestion stops at 50,000 traces a month. Every paid plan keeps ingesting and bills the overage at $2.50 per 50,000 traces, so nothing goes dark mid-month.