Is LLMTest worth the price?
LLMTest's pricing is extremely generous, offering a fully-featured 'Open Source' tier for free.
This makes it an excellent option for individual developers, startups, and open-source projects looking for robust LLM testing without any financial commitment. It's best for anyone needing comprehensive LLM testing capabilities on a budget.
Pricing Plans
Open Source
Free
- MIT licensed
- Pytest for LLMs
- OpenAI, Claude, Ollama, DeepSeek, Gemini, Mistral support
- Basic JSON, Structured, Agent Tools, Reliability, Rerun
- Zero LLM Calls for most assertions
- Built on Pydantic
- 22+ Assertions (Text, performance, agent, composable)
- Multi-Provider support
- Agent Testing
- Retry Support
Hidden Costs & Gotchas
No paid tiers, so no hidden costs
Self-hosting infrastructure costs
Potential future enterprise features
Which Plan Do You Need?
Individual developers and hobbyists
Startups and small teams
Open-source projects
How LLMTest Compares to Competitors
Compared to commercial LLM testing platforms like Vellum or Humanloop, which typically start at hundreds or thousands of dollars per month for similar features, LLMTest's free 'Open Source' tier is unparalleled. It offers enterprise-grade testing capabilities at no cost, making it a highly disruptive and value-driven alternative.
LLMTest Pricing FAQ
How much does LLMTest cost?
LLMTest is free to use. No subscription or one-time fee is required for the core product.
Does LLMTest have a free plan?
Yes. LLMTest offers a free plan called "Open Source". It includes: MIT licensed, Pytest for LLMs, OpenAI, Claude, Ollama, DeepSeek, Gemini, Mistral support.