AI · alternatives · 2026
24 alternatives to MOSTLY AI, the synthetic data platform
Smarter synthetic data for smart software testing and AI.
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. MOSTLY AI, the synthetic data platform launched in 2022; newer entries below may have overtaken it.
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Never run out of text based synthetic data ever
2024 · its alternatives →
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Open source data labelling platform for AI model tuning
2023 · its alternatives →
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The AI agent for synthetic data generation
Nov 2025 · tonic.ai · its alternatives →
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GoMask.ai▲96Instant compliant test data for engineering teams
Oct 2025 · gomask.ai · its alternatives →
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Reduce bias in AI systems with synthetic face datasets
2020 · its alternatives →
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Synthetic Users ▲142AI users to test your app, catch bugs, and give feedback
2025 · synthetic.usejina.com · its alternatives →
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Hey HN, We just shipped a new AI-powered feature... BUT the "AI" piece is largely in the background. Instead of relying on a chatbot, we've integrated AI (with strict input & output guardrails) into a workflow to handle two specific tasks that would be difficult for traditional programming: 1. Identifying the most relevant base URL from HAR files, since it would be tedious to cover every edge case or scenario to omit analytics, tracking, and other network noise. 2. Generating synthetic data for API requests by passing the API context and faker-js functions to GPT-4. The steps are broken down…
2024 · docs.multiple.dev · its alternatives →
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RealTestData - Safety, Speed, Accuracy, Test Data Generation
Jan 2026 · realtestdata.com · its alternatives →
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- 18IS
2022 · tonic.ai · its alternatives →
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Synthetic Data Generation for Modern AI Workflows
May 2026 · datacreatorai.com · its alternatives →
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Generate realistic mock JSON data with AI.
2025 · schema-ai-ten.vercel.app · its alternatives →
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Hey HN! A few months ago we shared our AI dataset generator as an open source repo, and the response was incredible (https://news.ycombinator.com/item?id=44388093). We got requests from folks who wanted to use it without the hosting overhead, so we created both options: a hosted version (https://www.metabase.com/ai-data-generator for instant use and the source code fully open (https://github.com/metabase/dataset-generator) for anyone who wants to self-host or contribute. Looking forward to seeing how you use it and what you build on top of…
Sep 2025 · metabase.com · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →