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235 tools · 33 stacks

AI tools are all over the place. This is the full landscape — 247 tools across 21 categories, mapped and connected. Ready to narrow it down? Build your stack →

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What are you building and how is it defined?
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These tools integrates with
Zep
vs
OpenAI API

Choose Zep when…

  • •You're building a conversational AI assistant that needs session continuity
  • •You need structured fact and entity extraction from conversation history
  • •You want temporal memory — your AI knowing when it learned something

Choose OpenAI API when…

  • •You need the broadest ecosystem and most integrations
  • •GPT-4 or o-series reasoning models are required
  • •Assistants API, fine-tuning, or batch API are needed
Field
Zep
OpenAI API
Category
Memory & Persistence
LLM Infrastructure
Type
OSS
SaaS
Free Tier
✓ Yes
✗ No
Plans
Cloud: $99/mo
API: Per token
Stars
⭐ 4,000
—
Health
●60 — Slowing
—
Trajectory
— not enough data
— not enough data
Synced
today
—

Zep

Memory and session management platform for AI assistants. Automatically extracts facts, preferences, and entities from conversations and surfaces them as structured memory. Supports temporal reasoning — knowing what was discussed last week versus now.

OpenAI API

API access to GPT-5, GPT-5.5, o3/o4 reasoning models, and the Responses API; plus embeddings, image, audio, and Realtime endpoints. The most widely deployed LLM API in production.

Zep Website ↗GitHub ↗
OpenAI API Website ↗

Shared Connections (2)

Mem0LangChain

Only Zep (4)

LangGraphOpenAI APICogneeGraphiti

Only OpenAI API (36)

CrewAIAutoGenLlamaIndexMastraPydanticAIsmolagentsAgnoLiteLLM
See full comparison in Explore →