# DeepEval > DeepEval is an open-source testing framework for LLM applications. It provides a unit-testing-like experience for developers to evaluate model outputs using metrics like faithfulness, relevancy, and hallucination detection. The framework is designed to integrate into CI/CD pipelines to ensure model performance across iterations. - URL: https://optimly.ai/brand/deepeval - Slug: deepeval - BAI Score: 62/100 - Archetype: Challenger - Category: Software - Last Analyzed: April 10, 2026 ## Competitors - Arize Phoenix Arize Ai (https://optimly.ai/brand/arize-phoenix-arize-ai) ## AI-Suggested Alternatives - Ad Hoc Scripting (https://optimly.ai/brand/ad-hoc-scripting) ## Also Referenced By - Post Hoc Eval Scaling (https://optimly.ai/brand/post-hoc-eval-scaling) ## Buyer Intent Signals Problems: Manual Human Evaluation: Using human reviewers to manually grade model outputs based on custom rubrics. | Ad-hoc Scripting: Writing custom Python scripts and regex patterns to check for specific keywords or formatting in LLM responses. | Evaluation Agencies: Hiring specialized AI safety or data labeling firms to benchmark model performance. | Public Benchmarks: Relying on generic public benchmarks (MMLU, GSM8K) which do not reflect specific business use cases. Solutions: open source LLM evaluation framework | how to test RAG pipeline faithfulness | llm unit testing python library | enterprise AI safety monitoring software | best tool for llm hallucination detection --- ## Full Details / RAG Data ### Overview DeepEval is listed in the AI Directory. DeepEval is an open-source testing framework for LLM applications. It provides a unit-testing-like experience for developers to evaluate model outputs using metrics like faithfulness, relevancy, and hallucination detection. The framework is designed to integrate into CI/CD pipelines to ensure model performance across iterations. ### Metadata | Field | Value | |--------------|-------| | Name | DeepEval | | Slug | deepeval | | URL | https://optimly.ai/brand/deepeval | | BAI Score | 62/100 | | Archetype | Challenger | | Category | Software | | Last Analyzed | April 10, 2026 | | Last Updated | 2026-05-03T08:41:15.037Z | ### Verified Facts - Founded: 2023 - Headquarters: San Francisco, CA ### Competitors | Name | Profile | |------|---------| | Arize Phoenix Arize Ai | https://optimly.ai/brand/arize-phoenix-arize-ai | ### Also Referenced By - Post Hoc Eval Scaling (https://optimly.ai/brand/post-hoc-eval-scaling) ### AI-Suggested Alternatives - Ad Hoc Scripting (https://optimly.ai/brand/ad-hoc-scripting) ### Buyer Intent Signals #### Problems this brand solves - Manual Human Evaluation: Using human reviewers to manually grade model outputs based on custom rubrics. - Ad-hoc Scripting: Writing custom Python scripts and regex patterns to check for specific keywords or formatting in LLM responses. - Evaluation Agencies: Hiring specialized AI safety or data labeling firms to benchmark model performance. - Public Benchmarks: Relying on generic public benchmarks (MMLU, GSM8K) which do not reflect specific business use cases. #### Buyers search for - open source LLM evaluation framework - how to test RAG pipeline faithfulness - llm unit testing python library - enterprise AI safety monitoring software - best tool for llm hallucination detection ### Links - Canonical page: https://optimly.ai/brand/deepeval - JSON endpoint: /brand/deepeval.json - LLMs.txt: /brand/deepeval/llms.txt