AgentIndex icon
AgentIndex
ToolsCategoriesTrendingNewCompare
Submit Tool
Home/
Compare/
letta vs vizra-adk
letta logo
letta
★ 23.0k
vs
vizra-adk logo
vizra-adk
★ 292

letta vs vizra-adk

letta: Letta is a powerful platform for building stateful AI agents equipped with advanced memory, enabling them to learn and self-improve over time. It provides both a command-line interface for local agent execution and a comprehensive API with Python and TypeScript SDKs for seamless integration into applications.; vizra-adk: Vizra ADK is a comprehensive Laravel package for building autonomous AI agents that can reason, use tools, and maintain persistent memory. It allows developers to create intelligent, interactive agents that integrate seamlessly with their Laravel applications.

01

TL;DR

letta logoChoose letta if…

Running AI agents locally in your terminal for coding and general tasks.

vizra-adk logoChoose vizra-adk if…

Building intelligent customer support assistants

02

Side-by-Side Comparison

Field
letta logoletta
vizra-adk logovizra-adk
Category
Memory & Context
Memory & Context
Stars
★ 23.0k
★ 292
License
Apache-2.0
MIT
Updated
2w ago
1w ago
Open Source
Yes
Yes
Website
↗ Visit
↗ Visit
GitHub
↗ GitHub
↗ GitHub
Tags
Stateful AI, Agent Platform, Advanced Memory
AI Agents, Laravel, PHP
03

Features

letta logoletta
01Build stateful AI agents with advanced memory
02Agents capable of learning and self-improvement over time
03CLI tool for running agents locally in your terminal
04Comprehensive API for integrating agents into applications
05Support for skills and subagents; fully model-agnostic
vizra-adk logovizra-adk
01Multi-Model AI Support
02Extensible Tool System
03Persistent Memory
04Agent Workflows
05Laravel Native
04

Use Cases

letta logoletta
↳Running AI agents locally in your terminal for coding and general tasks.
↳Integrating stateful AI agents into custom applications using the API and SDKs.
↳Developing self-improving AI systems that adapt and learn continually.
vizra-adk logovizra-adk
↳Building intelligent customer support assistants
↳Automating business processes with custom tools
↳Creating complex AI-driven workflows within Laravel applications
05

Best For

letta logoletta
Most PopularTrendingEssential
vizra-adk logovizra-adk
Trending
FAQ

FAQ

What is the difference between letta and vizra-adk?
Both letta and vizra-adk are in the Memory & Context category. letta has 23.0k stars, while vizra-adk has 292 stars.
Which is better, letta or vizra-adk?
The best choice depends on your use case. Choose letta if Running AI agents locally in your terminal for coding and general tasks., and vizra-adk if Building intelligent customer support assistants.
Is letta free or open source?
Yes, letta is open source on GitHub (Apache-2.0).
Is vizra-adk free or open source?
Yes, vizra-adk is open source on GitHub (MIT).
→

Related

Alternatives to letta →Alternatives to vizra-adk →letta details →vizra-adk details →
© 2026 AgentIndex.app|Built by a 10-year iOS Developer.
QYSGitHubBuy me a coffee ☕

Browse by Category

Code AssistantWorkflow AutomationRAG / Knowledge BaseMulti-AgentBrowser AutomationLLM InfraDev ToolingObservability

Not affiliated with Anthropic, OpenAI or Microsoft.