Source: https://seerepo.com/compare/confident-ai/deepeval/vs/mem0ai/mem0
Markdown source: https://seerepo.com/compare/confident-ai/deepeval/vs/mem0ai/mem0.md
Description: deepeval and mem0 share 8 technologies: OpenAI, PostHog, Rich, Pydantic, Zod, ora, LangChain, and ai. Both are written in Python.

# deepeval vs mem0

deepeval and mem0 share 8 technologies: OpenAI, PostHog, Rich, Pydantic, Zod, ora, LangChain, and ai. Both are written in Python.

- [confident-ai/deepeval](https://seerepo.com/r/confident-ai/deepeval): The LLM Evaluation Framework
- [mem0ai/mem0](https://seerepo.com/r/mem0ai/mem0): The Memory Layer for AI Agents - Drop-in memory infrastructure for AI agents and apps. Context that persists. Built for production.

## What they share and what sets them apart

- In common: OpenAI, PostHog, Rich, Pydantic, Zod, ora, LangChain, ai
- Only in deepeval: AIOHTTP, React, Textual, questionary, jinja2, opentelemetry-api, OpenTelemetry, @clack/prompts, cli-progress, @mastra/core, @openai/agents, Nunjucks, papaparse
- Only in mem0: FastAPI, psycopg, Qdrant, Postgres, Anthropic, uvicorn, SQLite, Redis, Supabase, @azure/search-documents, @pinecone-database/pinecone, @zilliz/milvus2-sdk-node, cassandra-driver, chromadb, Elastic, MongoDB, MySQL, oracledb, weaviate-client, AWS S3, Mistral AI, alembic, SQLAlchemy, bcrypt, cryptography, passlib, python-jose, mem0ai, strands-agents, jsonschema, boxen, @opencode-ai/plugin, earendil-works, typebox, ai-sdk, @azure/identity, @aws-sdk/client-bedrock-runtime, ollama, @turbopuffer/turbopuffer, cohere-ai, groq-sdk, Hugging Face, Cloudflare

## Side by side

| | deepeval | mem0 |
|---|---|---|
| Size | 303,745 lines written, 940 code files | 236,036 lines written, 624 code files |
| Who writes it | 0.9% of its commits signed by AI. With Claude Code, Cursor, Codex, and GitHub Copilot | 3.6% of its commits signed by AI. With Claude Code and Cursor |
| Activity | Last push November 5, 2026, 8,294 commits, 19,321 stars | Last push November 4, 2026, 2,653 commits, 68,421 stars |
| Tests | 573 test files. 33.2% of its code files have a test that imports them | 324 test files. 47.1% of its code files have a test that imports them |

- Size: Lines written by people and agents, without generated ones; code files, without tests.
- Who writes it: A commit counts as AI's when it carries its signature: a Co-Authored-By line, its author name or the merge of its branch.
- Activity: From GitHub and its history, on the day SeeRepo read it.
- Tests: The files that test the code, and the share of code files a test imports.

## Frequently asked questions

### Which is bigger, deepeval or mem0?

deepeval, with 303,745 lines written; mem0 has 236,036.

The proof: [confident-ai/deepeval's code at commit 696248f](https://github.com/confident-ai/deepeval/tree/696248fd7f8b4db1aa0d4f05cee22c3d2cc5857b)

### Which has more GitHub stars, deepeval or mem0?

mem0, with 68,421 stars; deepeval has 19,321.

The proof: [mem0ai/mem0 on GitHub](https://github.com/mem0ai/mem0)

### Which has more tests, deepeval or mem0?

deepeval, with 573 test files; mem0 has 324.

The proof: [confident-ai/deepeval's code at commit 696248f](https://github.com/confident-ai/deepeval/tree/696248fd7f8b4db1aa0d4f05cee22c3d2cc5857b)

### Which was updated more recently, deepeval or mem0?

deepeval: its last push was on November 5, 2026, and mem0's on November 4, 2026.

The proof: [confident-ai/deepeval's commits on GitHub](https://github.com/confident-ai/deepeval/commits)

### Which has more commits signed by AI, deepeval or mem0?

mem0: an AI signed 3.6% of its commits, with Claude Code and Cursor; in deepeval, 0.9%.

The proof: [the commits each tool signed in mem0ai/mem0](https://seerepo.com/r/mem0ai/mem0/ai)

## Sources

- confident-ai/deepeval: Read on November 6, 2026, at commit 696248f (https://github.com/confident-ai/deepeval/tree/696248fd7f8b4db1aa0d4f05cee22c3d2cc5857b)
- mem0ai/mem0: Read on November 5, 2026, at commit ed1f10f (https://github.com/mem0ai/mem0/tree/ed1f10fc87080f0b67f99be370817504888462ab)

## What is your repo built with?

Any public repo, with no account: https://seerepo.com/r/owner/repo/built, with the owner and name it has on GitHub.