Every tool call, every context change, every decision — captured and replayable. Debug production agents in seconds, not hours.
Without proper observability, you are flying blind. Most agent failures go completely uninvestigated.
of agent failures go uninvestigated due to lack of visibility into what happened
average debugging time per incident when teams try to investigate manually
of agent deployments have replay capability — the most critical debugging feature
Change your API endpoint from OpenAI to AgentLens. No code changes, no SDK. Takes 30 seconds.
Full message history, token counts, tool calls, and context snapshots — all stored automatically.
Use trace viewer, context diff, and session replay to find exactly what went wrong.
A complete observability stack built specifically for AI agents, not generic software.
Full step-by-step visibility into every agent run. Expand any message, copy content, see token counts.
Compare any two runs side-by-side. See exactly what changed between successful and failing executions.
Replay any past session with optional message injections. Test fixes without touching production.
Know exactly how much each agent, run, and feature costs. Set budget alerts to avoid surprises.
Get notified when cost, error rate, or token usage spikes. Slack or email — you choose.
RESTful API to query traces, manage agents, and integrate with your existing tooling.
Every step of your agent run, captured and organized. Click to expand any message.
You are an email assistant that helps users manage their inbox...
"Delete all emails from news@example.com before March 2024"
I need to use the email API to search for and delete emails. Let me start by...
Error: 429 - Too Many Requests. The email API rate limit was hit after 5 calls.
Start free for 14 days. No credit card required.
Perfect for getting started with agent observability
For teams scaling their agent deployments
Unlimited scale with advanced features
Purpose-built for agents, not adapted from generic APM tools.
| Feature | AgentLens | LangSmith | Datadog | Custom |
|---|---|---|---|---|
| Context Diff | ||||
| Session Replay | ||||
| Cost Attribution | ||||
| Zero Integration | ||||
| Alerting |
Start your 14-day free trial today. No credit card required.