Letta Pricing: Plans & Features 2026
Flat-rate pricing ranges from free to $20/mo across 3 plans, though self-hosting the framework is the most cost-effective option for developers.
Letta Plans & Tiers Explained
Free
FreeBest for: Ideal for individuals exploring Letta's AI agent capabilities without commitment
- ✓Limited agents
- ✓Limited usage of Letta Auto
- ✓Bring your own API keys
- ✓Connect external coding plans
- ✓Up to 3 agents with managed state
Pro
$20/moBest for: individual users needing advanced AI agent features and higher usage limits
- ✓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
API Plan
$20/moBest for: Designed for developers and businesses looking to integrate Letta's AI agents into their own applications
- ✓Unlimited agents
- ✓Usage-based LLM pricing
- ✓Tool execution billing
- ✓Access to a variety of model providers
Teams / Enterprise
Contact SalesBest for: Suited for larger organizations requiring custom solutions, dedicated support, and advanced security features
- ✓BYOK support
- ✓SAML/OIDC SSO authentication
- ✓Role-based access control
- ✓Dedicated support
- ✓Unlimited agents & storage
Pricing Expert Take
Independent analysis · Letta
Value Analysis
Letta enters the market well below the category median of $59/mo, offering two distinct entry-level tiers at $20/mo alongside a highly functional Free plan. The Pro plan at $20/mo targets users wanting centralized billing for OpenAI and Anthropic at standard API rates, while the API Plan at $20/mo shifts the focus to unlimited agents and usage-based tool execution. For developers building stateful agents, the Free plan is highly competitive as it allows up to 3 managed-state agents and external coding integrations without forcing an immediate upgrade. The $20/mo price point represents excellent value for developers looking to deploy long-term memory agents without paying a steep platform premium.
Hidden Costs
- Pay-as-you-go overage charges apply for LLM usage on the Pro plan once weekly and monthly quotas are exceeded.
- Tool execution billing applies to the API Plan, which can scale up costs rapidly depending on agent activity.
- Bring-your-own-key (BYOK) support is restricted to the Free and Teams/Enterprise tiers, meaning Pro users are locked into Letta's centralized billing.
Red Flags
The pricing structure forces a rigid choice between the Pro and API plans, both priced at $20/mo, meaning users must choose between capped stateful agents with centralized billing or unlimited agents with variable tool execution fees. There is also potential friction regarding how the platform positions itself against open-source memory alternatives.
"I'm absolutely stunned to see Letta basically call out Mem0 like a WWE feud."
Based on analysis of recent Reddit and G2 discussions.
Green Wins
The Pro plan at $20/mo offers best framework for persistent memory agents.
- Best framework for persistent memory agents
- Open source and transparent
- Unique MemGPT architecture
"The best Letta alternatives are Miro, Creately, and Alteryx"
G2
User Voices
"Letta took an afternoon to create an agent. Making the agent unique was 15 minutes."
"Letta is very good at what they do - there's a lot of customization options"
"Letta is running at scale well over 1000s of users"
Verdict
Individual developers and hobbyists should start with the Free plan to test the stateful agent framework, while production-focused developers should opt for the $20/mo API Plan to unlock unlimited agents. Teams requiring enterprise-grade SSO and custom model deployments will need to negotiate custom enterprise pricing. If you need a more established workflow automation platform with deep AI integrations, consider n8n starting at $20/mo.
How Does Letta Pricing Compare?
Overview
Letta's paid plans begin at $20/mo for both the Pro and API Plan, offering advanced features or integration capabilities. A Free plan is available for basic use, while Teams / Enterprise provides custom solutions.
Cost Per User
Which Plan Is Right for You?
Ideal for individuals exploring Letta's AI agent capabilities without commitment. Provides a basic entry point to understand core features.
Best for individual users needing advanced AI agent features and higher usage limits. This plan supports more complex personal projects.
Designed for developers and businesses looking to integrate Letta's AI agents into their own applications. Offers programmatic access and scalability.
Suited for larger organizations requiring custom solutions, dedicated support, and advanced security features. Contact sales for tailored pricing and features.
vs. Category Average
69% below the ai agents average
Our Verdict
Letta costs $0–$20/mo as of May 30, 2026, with 4 plans.
Self-hosting is the right move for most developers since the core value is in the framework - cloud pricing is only worth it if agent state persistence at scale is a real ops problem for your team.
Is Letta Worth the Price?
Strengths
- 1Best framework for persistent memory agents
- 2Open source and transparent
- 3Unique MemGPT architecture
- 4Good for long-running agent tasks
Considerations
- 1More complex than simple agent frameworks
- 2Requires understanding of memory architecture
- 3Smaller community than LangChain
Ideal For
AI developers needing stateful agent frameworks
Which plan fits you
Pricing Takeaway
★ 3.9/5Self-hosting is the right move for most developers since the core value is in the framework - cloud pricing is only worth it if agent state persistence at scale is a real ops problem for your team.
What Does Letta Actually Cost You?
List price covers the subscription. Total cost of ownership for Letta typically includes additional line items that don't appear on the pricing page.
Ask vendors for a total cost of ownership estimate before signing. Our methodology covers how we calculate verified list prices.
Letta Pricing History
Budget-Friendly AI Agents Tools
Frequently Asked Questions
How does Letta pricing compare?
See how Letta's 4 pricing plans stack up against similar AI Agents tools.
Research Reports
Sources & Data Trail · Letta
- 1.Official Pricing Page·Source of verified tiers(Checked: 2026-05-30)
- 2.Official Website·Official vendor website
- 3.G2·G2 verified user reviews · 3.9/5 · 1,317 reviews
- 4.PeerSpot·PeerSpot enterprise peer reviews