What Tablif read on Sparta's site
Sparta describes itself as: “Sparta The frontier of agent verification. Prove what changed.”
- Price model: Monthly · free tier
- Free tier: Free forever
- Stage: Beta
- How it differs: “When your agent says a task is done, Worlds diffs the environment and tells you what really changed.”
What it is
Calls itself “Agent Testing Environments”.
- Calls itself: Agent Testing Environments
“Agent Testing Environments”
Where it puts itself
Rules out “No real money”.
- Says it will not: No real money
“When your agent says a task is done, Worlds diffs the environment and tells you what really changed.”
“No real money and no real customers.”
What it costs
Monthly subscription. A free tier, free forever. Sales on request. Prices quoted: $49.
- Monthly: yes
- Free plan: free forever
- Price: $49
- Contact sales: yes
“This separate mock subscription bills $49 every 30 days.”
“Free internal testing during beta.”
Who it sells to
Sells to businesses. Built for teams.
- Sells to: businesses
- Company size: teams
“Six things teams do with a world.”
How it runs
A command-line tool. Runs locally and works offline. AI is the core of the product.
- Kind: cli
- Runs where: on the device, offline
- AI role: core to the product
“…one command, no SDK, free today.”
“Lets you test your agent locally in exact replicas of Stripe, Zendesk, and Salesforce.”
What it works with
Names Guidewire, Okta and 5 more on its pages.
- Names: Guidewire · Okta · Salesforce · +4
“AGENT INVOICE AGENT STRIPE OFFBOARDING AGENT OKTA QUOTING AGENT SALESFORCE CLAIMS AGENT GUIDEWIRE”
“Worlds lets you test your agent locally in exact replicas of Stripe, Zendesk, and Salesforce.”
What it offers as proof
In beta. Shows customer logos. Claims “3.6%”. Backed by a16z. Try it without signing up. Publishes docs.
- Stage: beta
- Customer logos: yes
- Number claimed: 3.6%
- Backer: a16z
- Instant signup: yes
- Trial asks for: nothing
“JOIN PUBLIC BETA”
“Join the public beta”
Sources
Tablif read these pages, last on 1 Oct 2026. Everything above is what the product says about itself; Tablif does not verify every claim.
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