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Chance.js

Input—per 1M tokens
Output—per 1M tokens
Context—tokens
WeightsClosed

About

Chance.js is ranked #19 of 25 in test data generation tools on Inferse. It runs on Web.

Compared on test data generation tools

Free plan
Yeschancejs.com
Generation modes
syntheticchancejs.com
API data generation
Yeschancejs.com

Company

Founded
2013chancejs.com · 28 Sept 2026

Best Chance.js alternatives

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8.9 MOSTLY AI Free free plan, no paid price published Free plan 8.8 Synthesized See plans price on the maker's page 8.8 Tonic Fabricate $29/mo first paid tier Free plan 8.8 Benerator Free free plan, no paid price published Free plan 8.5 Mockaroo $5/mo first paid tier Free plan 6.8 Synthetic Data Vault $250/mo first paid tier Free plan

Where it ranks on Inferse

Sources