DeepEval
8.3#1 in llm evaluation toolsFrom $200 a monthFree planWebAPILinuxmacOS
VisitDeepEval vs TruLens
What both publish
| Fact | DeepEval | TruLens |
|---|---|---|
| Founders | Y Combinator identifies Jeffrey Ip and Kritin Vongthongsri as Confident AI's founders. | Snowflake's announcement names Anupam Datta, Shayak Sen and Will Uppington as TruEra's three co-founders. |
| Framework integrations | Official integrations include LangChain, LlamaIndex, CrewAI, OpenAI Agents, LangGraph, PydanticAI, Google ADK, AgentCore, Strands and OpenTelemetry. | Official integrations instrument LangChain, LangGraph, LlamaIndex and NeMo Guardrails applications. |
| Integrations | Listed integrations include LangChain, Pydantic AI, OpenAI Agents, LangGraph, AWS AgentCore, Strands, Google ADK, LlamaIndex, and CrewAI. | The documentation lists integrations and providers for LangChain, LangGraph, LlamaIndex, MCP, OpenAI, Anthropic, Amazon Bedrock, HuggingFace, LiteLLM, Google, and Snowflake Cortex. |
| Notable limit | The maker describes DeepEval OS as limited to pre-production testing, with results in local files and an engineer-owned test runner. | Conversation features are not supported with the SnowflakeConnector, including conversation grouping, conversation-level metrics, retrieval APIs, and dashboard views. |
| Purpose | DeepEval is an open-source LLM evaluation framework for building evaluation pipelines to test AI systems. | TruLens evaluates and traces AI agents to help find failures and reduce costs while maintaining quality. |
| Release activity | The public changelog records frequent releases, feature additions, bug fixes and breaking changes by year. | The GitHub releases page shows TruLens 2.13.1 released on August 20 and documents fixes for dill compatibility and lazy Hugging Face imports. |
DeepEval plans
- DeepEvalFree
- FreeFree
- Starter$200 a month
- Team$2,000 a month
- EnterprisePriced on request
TruLens plans
- Open sourceFree
- Open-source TruLens libraryFree
Pick DeepEval if…
DeepEval suits developers building repeatable AI evaluations in Python or CI/CD, especially those testing multiple modalities or agent workflows. Its free OS offering is for pre-production testing rather than production evaluation.
Pick TruLens if…
TruLens suits teams building AI agents, RAG systems, MCP apps, or summarizers who need trace inspection and evaluation. It is aimed at Python-based workflows and can instrument custom apps and listed frameworks.