LLMTest is free.
Verified Aug 2026 from the official pricing page.
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
How LLMTest compares
3 of 3 direct competitors offer a free plan.
| Tool | Starting price | Free plan |
|---|---|---|
| LLMTest | Free | Yes |
| LangChain | $39/month | Yes |
| LlamaIndex | Contact sales | Yes |
| TruLens | Free | Yes |
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.
What are alternatives to LLMTest?
Alternatives to LLMTest include LangChain, LlamaIndex, TruLens. TruLens is fully free. LangChain starts at $39/month.
LLMTest alternatives
Direct competitors. Starting prices match the table above.
Sources
- Official LLMTest pricing — assertllm.dev (verified Aug 2026)
- Cite this data: Toolradar, LLMTest pricing verified Aug 2026, toolradar.com/tools/llmtest/pricing
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