Plurai
Plurai Simulation builds a sandboxed digital twin of your AI agent, runs synthetic users, documents and mocked services against it from Claude Code, Codex or Copilot CLI, and traces every failure to the code that caused it. Free to start; paid plans from $60/month.
About Plurai
Plurai: simulation and post-training for AI agents
Plurai Simulation wires a digital twin of your agent into a mocked world of services, documents and synthetic users, plays the scenarios most likely to break it in an isolated sandbox, and returns a ranked fix plan with exact code locations.
How it works
- Install the plugin in Claude Code, GitHub Copilot CLI or OpenAI Codex (Cursor coming soon) and run
/simulateon your agent's folder. - Scan: Plurai maps tools, sub-agents, skills and knowledge bases and generates a harness (simulate.py) without touching your source.
- Suite: scenarios and evals spread across your agent's capabilities by weight, including hard personas and edge cases.
- Run: every scenario plays three times in a resettable sandbox; writes are mocked unless you opt in.
- Fix and verify: each gap is root-caused to files and lines, fixed, and re-run to confirm.
Works with
LangGraph, Claude Agent SDK, Google ADK, CrewAI, OpenAI Agents SDK, LlamaIndex, Strands, LangChain, Mastra, Vercel AI SDK, Salesforce Agentforce and n8n; traces from LangSmith, Langfuse, Arize and Braintrust; Python SDK for headless runs.
Post-training
Small, task-specific models for evals and guardrails (PII leaks, grounding, intent, tool-call validation) served as low-latency endpoints. The company claims about 44x lower cost than Claude Haiku-5.5.
Pricing
- Free: $0, one-time 12,300 credits, 2 agent setups, 3 runs
- Base: $60/month, 28,710 credits, 20 runs
- Business: $210/month, 65,570 credits, 60 runs
Founded by Dr. Ilan Kadar (CEO) and Dr. Elad Levi (CTO); $13M seed led by Team8.
Value & Audience
Value Proposition
Find where an AI agent breaks before users do, reproduce each failure in a resettable sandbox, and get a verified, line-level fix, all from one command in the coding agent you already use.
Problem Solved
Hand-written evals cover a tiny slice of the paths an agent can take, test environments are hard to keep consistent, and production failures are hard to reproduce or fix with confidence.
Tech Stack
Social & Links
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Feedback & Roadmap
Plurai FAQ
Common questions about Plurai's features, pricing, and use cases
Is Plurai free to use?
Plurai has a free tier plus paid plans, starting at Free - $0 - one-time 12,300 credits, 2 agent setups, 7 scenarios, 3 runs, 10 sandbox hours, no overage. Plans listed: Free - $0 - one-time 12,300 credits, 2 agent setups, 7 scenarios, 3 runs, 10 sandbox hours, no overage; Base - $60/month - 28,710 credits/month, 3 agent setups, 14 scenarios, 20 runs, 20 traces analyzed, 30 sandbox hours; extra credits $0.02; Business - $210/month - 65,570 credits/month, 28-44 scenarios, 60 runs, 40 traces analyzed, 100 sandbox hours; extra credits $0.015.
What are some alternatives to Plurai?
Popular Testing & QA alternatives to Plurai include TheySaid, heal.dev and BotGauge.
Plurai appears in
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