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pumaDB vs Zep Memory: Which is Better in 2026?

Choosing between pumaDB and Zep Memory comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.

Bottom line: Zep Memory is our overall pick for AI agents workflows. Pick pumaDB if you need a free tier to start with.

··Methodology
Editor reviewed0 verified reviews comparedPricing checked Jul 2026

Short on time? Here's the quick answer

We've tested both tools. Here's who should pick what:

pumaDB

AI agent memory, simplified. No database admin needed

Best for you if:

  • Provides a memory API for AI agents to store and retrieve JSON data.
  • Offers both hosted MCP for agents and a REST API for server-side applications.

Zep Memory

Build personalized, fast, and reliable AI agents with comprehensive, evolving memory.

Best for you if:

  • Provides comprehensive, evolving memory for AI agents.
  • Unifies chat history, business data, and user interactions into a temporal knowledge graph.
At a Glance
pumaDBpumaDB
Zep MemoryZep Memory
Starts at
FreeFree tier available
FreeFree tier available
Best For
AI AgentsAI Agents
Rating
-4.7/5
Free plan
Yes Yes

Choose pumaDB or Zep Memory?

pumaDB

Choose pumaDB if

AI agent memory, simplified. No database admin needed

  • Eliminates the need for manual database setup and management for agent memory.
  • Simplifies integration with AI agents via hosted MCP.
  • Provides built-in safety and reviewability for agent memory with versioning and limits.
Zep Memory

Choose Zep Memory if

Build personalized, fast, and reliable AI agents with comprehensive, evolving memory.

  • Significantly improves AI agent accuracy and personalization by providing rich, evolving context.
  • Reduces inference costs and response latency by delivering token-efficient and relevant context.
  • Integrates diverse data sources (chat, business data, user behavior) into a single knowledge graph.
FeaturepumaDBZep Memory
Pricing ModelFreemiumFreemium
User RatingNo ratings yet
4.7/5
15 reviews
Categories
AI AgentsData & Databases
AI AgentsDeveloper Tools

In-Depth Analysis

pumaDBpumaDB

AI agent memory, simplified. No database admin needed

Strengths

  • +Eliminates the need for manual database setup and management for agent memory.
  • +Simplifies integration with AI agents via hosted MCP.
  • +Provides built-in safety and reviewability for agent memory with versioning and limits.
  • +Supports various types of structured memory relevant to agent operations.
  • +Offers both agent-facing and server-side API access for flexibility.

Weaknesses

  • -Memory storage is deliberately small and explicit, which might not suit very large data storage needs.
  • -Rate limits could be restrictive for applications requiring very high-frequency writes or reads per key.
  • -Focuses specifically on JSON records, limiting other data types.

Key features

Hosted Managed Connector Protocol (MCP) endpoint for agentsREST API for server-side applicationsDurable storage for JSON records (facts, state, settings, scratchpads)Automatic version history for updates and deletes (last 10 versions for 30 days)Scoped table limits (20 tables, 1,000 rows per table)Per-key rate limits (30 writes/min, 60 reads/min)
Starts at Free

Zep MemoryZep Memory

Build personalized, fast, and reliable AI agents with comprehensive, evolving memory.

Strengths

  • +Significantly improves AI agent accuracy and personalization by providing rich, evolving context.
  • +Reduces inference costs and response latency by delivering token-efficient and relevant context.
  • +Integrates diverse data sources (chat, business data, user behavior) into a single knowledge graph.
  • +Designed for real-time applications with extremely low retrieval latency (<200ms).
  • +Supports custom graph ontologies for domain-specific memory and improved relevance.

Weaknesses

  • -No explicit free tier mentioned, suggesting it's a paid solution.
  • -Requires integration and setup to connect various data sources.
  • -Complexity of managing and defining custom graph ontologies might require some expertise.

Key features

End-to-End Context EngineeringTemporal Knowledge Graph Construction with Fact InvalidationUnified Data Ingestion (Chat, Documents, JSON, CRM, App Events)Sub-200ms P95 Retrieval LatencyCustomizable Context Blocks for LLMsPersistent Context with Provenance Tracking
Starts at Free

Pricing: pumaDB vs Zep Memory

PlanpumaDBZep Memory
Tier 1N/A
Free
Free
Tier 2N/A
$25/month
Flex
Tier 3N/A
$475/month
Flex Plus
Tier 4N/A
Contact Sales
Enterprise

Pricing verified from each vendor's public pricing page. Compare in detail on pumaDB pricing and Zep Memory pricing.

Who Should Use What?

On a budget?

Both are freemium. Compare plans on their websites.

Go with: pumaDB

Want the highest-rated option?

Zep Memory is rated 4.7/5. pumaDB has no ratings yet.

Go with: Zep Memory

Value user reviews?

pumaDB: no ratings yet. Zep Memory: 15 reviews (4.7/5).

Go with: Zep Memory

3 Questions to Help You Decide

1

What's your budget?

Both are freemium. Pricing won't help you decide here.

2

What's your use case?

Both are ai agents tools. Compare their specific features to decide.

3

How important are ratings?

Zep Memory is rated 4.7/5; pumaDB has no ratings yet.

Key Takeaways

Zep Memory

  • Free tier available
  • Our pick for this comparison

pumaDB

  • Choose if you want aI agent memory, simplified. No database admin needed

The Bottom Line

Zep Memory is our pick.

Frequently Asked Questions

Is pumaDB or Zep Memory better?

Zep Memory is rated in our evaluation. Both are freemium.

What are pumaDB and Zep Memory used for?

pumaDB: AI agent memory, simplified. No database admin needed. Zep Memory: Build personalized, fast, and reliable AI agents with comprehensive, evolving memory..

What does pumaDB cost vs Zep Memory?

pumaDB is freemium (free tier + paid plans). Zep Memory is freemium (free tier + paid plans). Visit their websites for detailed pricing.

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