8.0 Pricing

Transparent pricing.

Start free. Scale as your agents grow.

Free tier foreverNo credit cardUsage-based overageCancel anytime

Free

Instrument a production agent end to end. No credit card, no trial clock.

$0forever
Start free →

Get started with

  • 50K traces / month
  • 14-day retention
  • 2 projects · 1 seat
  • Traces, Sessions, Agents, Tools & Models
  • Issue clustering & silent-failure detection
  • Prompts: versions, labels & webhooks
  • Cost tracking + pre-built guardrails
  • ZespanPilot: 10 queries / mo

Solo

Start enforcing your own rules on your agent — and stop hitting a monthly ceiling.

$29/mo
Start free →

Everything in Free

  • 100K traces / mo + overage
  • 30-day retention
  • 10 projects · 2 seats
  • Author & edit your own guardrails
  • Block & redact enforcement
  • Guardrail templates
  • ZespanPilot: 60 queries / mo
Most popular

Pro

Turn a failure you have already seen into a policy that is backtested, then enforced.

$149/mo
Start free →

Everything in Solo

  • 500K traces / mo + overage
  • 90-day retention
  • Unlimited projects · 10 seats
  • Policy-as-Code: backtest & enforce
  • Evaluations, runs & custom scorers
  • Alerts, audit log & Cost Explorer
  • Playground + AI prompt optimizer
  • ZespanPilot: 200 queries / mo

Team

Incident response, simulations and SSO for teams running agents in production.

$299/mo
Start free →

Everything in Pro

  • 2M traces / mo + overage
  • 180-day retention
  • Unlimited projects · 15 seats
  • Incidents + AI root cause
  • Simulations & annotation queues
  • Anomaly detection + agent governance
  • SSO (SAML/OIDC) + user analytics
  • ZespanPilot: 1,000 queries / mo
Enterprise

Scale

Custom pricing for large teams. 10M+ traces, self-hosted option, dedicated SLA, and unlimited seats.

  • 10M+ traces / month
  • Unlimited seats
  • ZespanPilot unlimited
  • BYOK (Bring Your Own Keys)
  • Self-hosted deployment
  • 365-day retention
  • Dedicated SLA + support
  • Custom integrations

Compare every plan.

Every feature, side by side, across Free, Solo, Pro, Team, and Scale.

Free
$0
Solo
$29/mo
Pro
$149/mo
POPULAR
Team
$299/mo
Scale
Custom
Plans & limits
Included traces / month50K100K500K2M10M+
Beyond the included tracesStops$2.50 / 50K$2.50 / 50K$2.50 / 50KCustom
Retention14 days30 days90 days180 days365 days
Projects210UnlimitedUnlimitedUnlimited
Seats included121015Unlimited
Additional seats——$10/mo$8/moCustom
Tracing & Observability
Trace ingestion (SDK + OTel)
Span waterfall & live inspector
Sessions, Agents, Tools & Models
Per-trace cost breakdown
Search, filter & agentic view
Issue clustering & silent failures
Prompts & Datasets
Versions, labels, folders & webhooks
Playground (live models)——
A/B testing + AI prompt optimizer——
Datasets & golden sets——
Datasets from traces (AI pipeline)———
Evaluations & Quality
Evaluations (LLM-as-judge)——
Evaluation runs & history——
Custom evaluator definitions——
Auto-evaluators on live traffic——
Annotation queues———
Guardrails & Policy
Pre-built guardrail rules
Author & edit your own guardrails—
Block / redact enforcement—
Guardrail templates—
Policy-as-Code (author & apply)——
Backtest a policy before enforcing it——
Promote a recurring issue to a policy——
Cost & Optimization
Cost tracking & spend trends
Cost Explorer: spend by model/agent/user——
Budgets & cost alerts——
AI cost optimizer——
Spend forecasting——
Anomaly detection———
Alerts, Incidents & Simulations
Alerts + full history——
Slack / webhook alerts——
Model lifecycle alerts——
Incidents + AI root cause———
Simulations———
PagerDuty integration———
ZespanPilot
ZespanPilot access
Monthly queries10602001,000Unlimited
Natural-language queries——
Saved queries & annotations——
Query explanations & reports———
Incident root-cause drafts———
Platform & Security
Role-based access (RBAC)
Audit log (all endpoints)——
Compliance evidence packs——
Audit & query CSV export——
Agent registry & governance———
User usage analytics———
SSO (SAML/OIDC)———
BYOK————
Self-hosted deployment————
Docker self-hosting————Soon
SLA + dedicated support————

Estimate your cost.

Model your monthly spend against real trace volume before you commit to a plan.

Pricing Calculator

Estimate your monthly cost

Plan:
100K
50K100K500K2M5M+
1
RecommendedSolo$29/mo
Start free →
Solo plan
Base
$29
+
Trace overage
—
=
Total / Month
$29
ItemDetailsCost
Base planSolo$29.00
Included traces100,000 of 100,000 used$0.00
Trace overageNone (within included limit)—
Included seats1 of 2 used (single-seat plan)$0.00
Total$29/mo

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