Letta Review: Features, Pricing & Integrations 2026

From a free tier to $20/month, this 3.9-star framework is the top choice for persistent memory, though it has a steeper learning curve than basic tools.

AI AgentsPrice verified July 8, 2026Web

Letta ai agents dashboard screenshot — SaaS software interface

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Overview Expert Analysis Pricing Plans & Fees Worth It?Dev Tools Data Sync FAQ Research Sources Explore

Expert Take

An agent costs money simply by existing here: there is a monthly charge per active agent sitting on top of the account fee, whether or not it does anything. Tool execution is metered by the second, and model tokens bill separately at provider rates.

Oleh KemFounder & Lead Analyst

Free

Best for: Get started at no cost

✓Limited agents
✓Limited usage of Letta Auto
✓Bring your own API keys
✓Connect external coding plans
✓Up to 3 agents with managed state

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Pro

$20/mo

Best for: Personal use

✓Letta Auto weekly + monthly quota
✓Pay-as-you-go overage for LLM usage
✓Up to 20 stateful agents
✓Centralized billing for OpenAI/Anthropic at standard API pricing

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API Plan

$20/mo

Best for: Teams building on the Letta API

✓Unlimited agents
✓Usage-based LLM pricing
✓Tool execution billing
✓Access to a variety of model providers

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Showing 3 of 4 plans. See all plans & API pricing →

Prices last verified July 8, 2026

Full Pricing Analysis & Expert Breakdown →

Monitored Plans & Rates

Currently Tracking

ComparEdge is tracking Letta pricing. No price changes recorded since monitoring began.

The Final Verdict: Is Letta Right for You?

Quick Verdict

One of the most capable ai agents platforms available for free, trusted by AI developers needing stateful agent frameworks.

4.0Editorial rating

Best for: AI developers needing stateful agent frameworks From $20/mo

Top Pros

Best framework for persistent memory agents
Open source and transparent
Unique MemGPT architecture

Watch Out For

More complex than simple agent frameworks
Requires understanding of memory architecture

Developer Integrations

MCP Server

Pull Letta capabilities, pricing tiers, and top alternatives directly into Claude or Cursor.

npx @comparedge/mcp-server

Browser Extension

Stack Letta against other agent frameworks in one click.

Install free

Expert analysis by Oleh Kem

Oleh KemFounder & Lead AnalystExpert verified·Updated July 8, 2026·Our methodology

Price & Data Intelligence SyncLast verified: July 31, 2026 · CE-AIAG-2026W31-7E9275 · No changes detected

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Sources & verification

Verified by ComparEdgeMethod: Vendor docs, official pages, and selected independent sources

Source	What was checked	Last checked
Official Website	Official vendor website	—
Official Pricing Page	Source of verified tiers	July 8, 2026
G2	G2 verified user reviews · 3.9/5 · 1,317 reviews	—
PeerSpot	PeerSpot enterprise peer reviews	—

Every fact on this Letta pricing page is tied to a named source and a verification date. Freshness-sensitive figures trace to the sources above; verify against the vendor before relying on them.