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Letta logo

Letta

AI Agents

Verified Publisher·Pending reviewVerified Adoption·Pending reviewEnterprise Ready·Pending review

Stateful agent platform for long-running agents with memory and self-improving behavior.

Developer decision brief

Should I use Letta?

Stateful agent platform for long-running agents with memory and self-improving behavior.

FreemiumOpen sourceDocs linked

Enterprise fit

Buyer brief for procurement and architecture review

Source-labeled signals for cost, reliability, security, integration, and adoption proof. Missing compliance evidence is shown as a gap, not guessed.

Compare for enterpriseExport brief

Events / Tours

Letta developer events

Hackathons, workshops, office hours, launches, and partner challenges tied to this product.

Claim or partner

No public events yet

Claimed teams can add hackathons, webinars, office hours, and challenges, then measure attendee to usage ROI.

Quickstart

Preparing Letta docs pack
Streaming

The product profile is ready. Official docs, README snippets, and the AI paste pack are loading in the background.

Build context

Developer projects using Letta

No public community builds yet. These starter examples are templates, not fabricated activity.

Publish your build
Starter example

Public credibility status

Claimable

This profile now separates verified proof from self-reported claims, so founders can improve status without buying rank.

Profile strength

41/100

Claimable profile · 6 gaps

Verified Publisher

Verify ownership through DNS or well-known file.

Verified Adoption

Connect SDK/API events to prove adoption.

About Letta

Stateful agent platform for long-running agents with memory and self-improving behavior.

Resources
Actions
Request intro

Developers also use

Generated from similarity, co-save, category, project, and adoption signals.

Julep logo
Julep

AI Agents· julep.ai

Freemium

Serverless platform for building stateful AI agents and multi-step LLM workflows with memory, tasks, and external tool integrations.

Why recommended

Same category

Keep evaluating Letta

Comparisons, category adoption data, and shortlist guides that answer the questions this profile raises next.

Weigh Letta against the alternatives

  • Letta alternativesEvery ai agents product developers evaluate in place of Letta.
  • Letta vs JulepSide-by-side pricing, API surface, and adoption evidence.
  • Letta vs LangGraphSide-by-side pricing, API surface, and adoption evidence.
  • Letta vs AgnoSide-by-side pricing, API surface, and adoption evidence.

Best for

  • AI Agents decisions where you need a concrete shortlist.
  • Teams that prefer open-source or self-hostable options.
  • Builds that need an API-first integration path.

Watch-outs

  • Not enough verified adoption data yet.
  • Docs linked on this profile.
  • Repository linked for inspection.
  • No developer reviews yet.

Quickstart

No canonical install command detected. Open the docs or profile quickstart below.

Use quickstart hereDocsGitHubWebsite

Compare alternatives

Letta vs JulepLetta vs LangGraphLetta vs Agno
Build with this

What you would get weekly

Save or follow Letta to track rank movement, new alternatives, starter examples, benchmark/docs changes, and project activity. Default cadence is weekly.

No live product opportunities yet

You can still use the workbench: build a stack, publish proof, and follow starter challenge programs. New credits, workshops, and launch programs appear here once companies publish them.

Inferred

Commercial model

Freemium profile signal; exact enterprise terms need buyer review.

View source
Needs verification

Reliability

No status page, uptime, or SLA evidence attached

Needs verification

Security/compliance

No security, trust, or compliance source attached

Source linked

Integration fit

API available with docs/profile signal

View source
Needs verification

Adoption proof

No public adoption proof attached

Buyer recommendation

Shortlist only after verifying Reliability and Security/compliance.

API signal supports workflow automation.Docs are linked for implementation review.Open-source path can reduce lock-in review.At least one buyer evidence source is linked or verified.

Vendor value loop

Vendors receive anonymous aggregate evaluation demand by default. Account details are shared only after explicit buyer contact or consent.

Request vendor contact

Real data backfill while adoption proof grows

These are source-linked enrichment paths for missing fields. They are treated as proxies until claimed-company data and first-party tokens& adoption events replace them.

GitHub repository APIfreeStars, forks, license, topics, releases, default branch, repo freshness, and public contributor signal.OpenSSF ScorecardfreeOpen-source security posture checks for repos before enterprise review.npm downloads APIfreePublic JavaScript package download trends for SDK/tool adoption proxies.PyPI StatsfreePublic Python package download trends for SDK/tool adoption proxies.Product Hunt APIfreemiumLaunch timing, maker activity, and early-adopter demand signals when products launch publicly.

Launch-week proof page for an agent tool

Template

Turn a fresh repo, demo, Show HN, or hackathon launch into a public proof page with stack notes, launch context, and real build evidence.

Built with

LangChain logoLangChainCrewAI logoCrewAILangSmith logoLangSmithOpenAI API logoOpenAI API
Import repo
Attach demo + launch link
Save stack
Publish proof
ComparePublish template
Starter example

Agent workflow for repeatable tasks

Template

Route a task through planning, tool calls, validation, and human review without losing observability.

Built with

LangChain logoLangChainCrewAI logoCrewAILangSmith logoLangSmith
Define tools
Plan workflow
Add evals
Review failures
ComparePick agent framework

Team Verified

Add founder/team proof.

GitHub

Repository linked

Docs

Docs linked

Security

Add SOC2/security/compliance proof.

Backers

Add verified backer proof.

Protocol/API

Agent-readable proof present

Freshness

Awaiting fresh proof.

Built by
L

Letta team

Founder / team from Letta

OSS MaintainerProtocol ReadyPending review
GitHubWebsite

Team proof is pending until the product profile is claimed.

OSS MaintainerProtocol Ready
Owner checklist

Verified domain

+15

Verify publisher ownership to remove the unclaimed status gap.

SDK/API telemetry connected

+20

Connect SDK to unlock Verified Adoption.

Proof file
ProofStateEvidence

Publisher ownership

Domain or organization claim · Live

Pending reviewUnclaimed profile45% confidence

Verified adoption

SDK/API/CRM telemetry · Pending

Pending reviewInsufficient cohort50% confidence

Category rank

AgentRank methodology · Pending

Pending reviewRank pending40% confidence

Team proof

Domain, social, and team evidence · Live

Pending reviewTeam signal exists45% confidence

Security and enterprise readiness

Docs, compliance, protocol, and readiness signals · Pending

Pending reviewSecurity proof pending38% confidence
Share and embed

Public profile card

Share the product's rank, trust state, and top badges.

Open

AgentRank trust profile

Public proof buyers and agents can trust

Claim this tool to see who is evaluating it

AgentRank

18

Adoption + trust composite

Trust Score

38

observed

Category Rank

Not ranked yet

AI Agents

Protocols

API, SDK

Agent-readable metadata

Tracked Developers

0

Known active developer activity

Profile Status

Unclaimed

Owner action needed

Trust Registry

AgentRank evidence file
observed

Source breakdown

GitHub23,530

68% confidence

Protocol support

APISDK

Agent-readable protocol evidence raises trust and commercial readiness.

Benchmark proof

Benchmark proof pending

Attach latency, cost, accuracy, reliability, or eval evidence to unlock the performance component.

Trust gaps

Verify publisher ownership
Send SDK/API telemetry
Attach benchmark evidence

Enterprise verification can enrich evidence and export proof packages, but cannot buy rank.

Claim this tool to see who is evaluating it
Adoption over time
Last 8 weeksSmall cohort suppressed · trust 38

Timeline appears after verified events.

We do not draw a fake adoption chart before live usage, self-reported proof, or challenge activity exists for this product.

Suppressed

active developers

Unavailable

verified adoptions

Suppressed

retention

Next best action

Claim Letta before competitors use this profile as proof.

Connect usage events, resolve developer identities, and see which accounts are evaluating Letta.

Claim this tool to see who is evaluating it

Your developer adoption profile is already visible.

Claim it to verify data, add integrations, and unlock adoption intelligence on developers and accounts evaluating Letta.

Claim your tool

Developer identities

See the builders behind saves, docs clicks, API calls, and retained usage.

Talk to sales

Account map

Resolve developer activity into companies, teams, and enterprise accounts.

Talk to sales

Retention cohorts

Track first API call through 7/30/90-day retention and expansion.

Talk to sales

Competitor overlap

Find developers evaluating alternatives and switching between tools.

Talk to sales

Category benchmark

Compare activation, retention, and growth against your market.

Talk to sales

Recommended actions

Prioritized DevRel, product, and sales plays based on live adoption signals.

Talk to sales

Developer identities, account mapping, retention cohorts, and competitor overlap are available on Growth and Enterprise plans.

Letta Websitewebsite

Official product website verified during daily production intake.

Letta DocsDocs

Official documentation verified during daily production intake.

Letta GitHubGitHub

Public source repository verified during daily production intake.

Workspace actions

Sign up to save, follow, compare, publish builds, or verify ownership.

Public links
Visit WebsiteDocumentationGitHubView Alternatives3 Resources
GitHub Stats

23,530

Stars

2,502

Forks

68

Issues

Quick Info
PricingFreemium
Open sourceYes
API availableYes
Add to Your Project
[![Letta on Adoption Intelligence](https://tokensand.com/api/badges/letta)](https://tokensand.com/tools/ai-agents/letta)
Letta badge previewPreview

Add this badge to your README.md to show your listing on Adoption Intelligence.

6,607
976
Open source
Why recommended

Same category

LangGraph logo
LangGraph

AI Agents· langchain.com

Open source

Low-level orchestration framework for building stateful, long-running AI agents and agent workflows.

Why recommended

Same category

35,516
5,957
Open source
Why recommended

Same category

Agno logo
Agno

AI Agents· agno.com

Freemium

SDK and runtime for building agent platforms, multi-agent teams, and agentic workflows with control-plane operations.

Why recommended

Same category

40,802
5,549
Open source
Why recommended

Same category

Mem0 logo
Mem0

AI Agents· mem0.ai

Freemium

Open-source-friendly memory layer for personalized AI agents and chat apps.

Why recommended

Same category

Open source
Why recommended

Same category

Letta vs Mem0Side-by-side pricing, API surface, and adoption evidence.

Check the adoption evidence

  • AI Agents developers actually keep usingFiltered to products with verified usage events, cohort breadth, and retention.
  • AgentRank category rankingsHow every category is ordered by adoption proof, trust, and protocol support.
  • Best AI Agent FrameworksShortlist guide for this category, with the tradeoffs written out.
  • Best Open Source AI ToolsShortlist guide for this category, with the tradeoffs written out.

Own Letta? Generate its adoption badge embed, or claim the profile to send verified usage events.

Verified adoption badge

+10

Send enough verified adoption events to pass the cohort threshold.

Funding, backer, or security proof

+8

Add funding, backer, or security evidence to qualify for higher trust badges.

Improve profile

Verified Adoption badge

README and website badge backed by telemetry.

Open
[![Verified Adoption](/api/badges/letta?variant=verified)](https://tokensand.com/tools/ai-agents/letta)

Top 10 badge

Unlocks automatically when the profile enters Top 10.

Open
[![Top 10](/api/badges/letta?variant=top10)](https://tokensand.com/tools/ai-agents/letta)

Team launch card

Founder/team credibility card for launch posts and investor updates.

Open

Weekly momentum card

Share rank movement and verified adoption growth.

EnterpriseOpen
Launch copy

Letta is live as a public adoption profile: https://tokensand.com/tools/ai-agents/letta. Verified proof beats vanity metrics.

Embed path: /api/badges/letta?variant=verified · Profile: /tools/ai-agents/letta

Ship with Letta in 60 seconds
Hackathon-readyShell

Auto-detected from official docs

npm
npm install -g @letta-ai/letta-code
Docs:Official DocsGitHubWebsite