Is Flowise better than Letta in 2026?

It depends on your needs. Letta is rated higher at NaN/5 vs Flowise's 4.7/5. Flowise excels at open-source low-code platform for building llm applications and ai agents, while Letta focuses on open-source framework for building stateful ai agents with persistent memory. Flowise starts at $35/mo; Letta starts at free tier.

Which is cheaper, Flowise or Letta?

Flowise starts at $35/mo; Letta starts at free tier. Flowise has a free plan, and Letta also offers a free tier.

Can I migrate from Flowise to Letta?

Most users can switch between these tools. Letta supports data import from Flowise. Plan 1-3 days for migration depending on data volume and team size.

What are the key differences between Flowise and Letta?

Flowise uniquely offers Visual Flow Builder, LangChain Integration, RAG Pipelines. Letta uniquely offers Persistent Memory, Stateful Agents, Memory Editing. Both share 2 features including Multi-LLM Support, Memory Management. Flowise starts at $35/mo; Letta starts at free tier. Founded in 2023 and 2023 respectively.

Which AI tool is better, Flowise or Letta?

Letta leads with a NaN/5 rating. Flowise has 15 features vs Letta's 15. Letta is rated higher at NaN/5 vs Flowise's 4.7/5.

When was this Flowise vs Letta comparison last updated?

This comparison was last updated on May 13, 2026. We review and refresh our comparisons regularly to reflect the latest pricing, features, and ratings from Flowise and Letta.

Updated May 13, 2026 · Independent Analysis

FlowisevsLetta

Capability Overview

Flowisevs Letta

★ 4.7/5+0.2 vs Letta

Only in Flowise

✦ Visual Flow Builder
✦ LangChain Integration
✦ RAG Pipelines

✓ Free planFrom $35/mo40k+ GitHub stars users · est. 2023

View Full Review Try Flowise Free

Lettavs Flowise

★ 4.5/5-0.2 vs Flowise

Only in Letta

✦ Persistent Memory
✦ Stateful Agents
✦ Memory Editing

✓ Free plan10k+ GitHub stars users · est. 2023

View Full Review Try Letta Free

Pricing Intelligence

Flowise Plans

Free tier available

Open Source0

Open Source

• Self-hosted
• All features
• Commercial use

Cloud StarterBest Value

$35/mo

• Hosted
• 1 chatflow
• Basic features

Cloud Pro

$65/mo

• Unlimited chatflows
• Team access
• Priority support

Full Flowise Pricing Breakdown →

Letta Plans

Free tier available

Open Source0

Open Source

• Self-hosted
• All features
• Commercial use

Cloud

Custom

• Managed hosting
• Custom pricing
• Enterprise features

Full Letta Pricing Breakdown →

Feature Matrix

4 differences found across 15 standardized features

Feature

Flowise

Letta

Visual Builder

✓

✗

Auth

✓

✗

Webhooks

✓

✗

Team Features

✓

✗

Total (raw)

15

Pros & Cons Face-Off

Evaluative strengths and weaknesses — not feature lists

Flowise

Pros

+Free and open source
+Visual drag-and-drop interface
+Extensive LangChain integration
+Large active community

Cons

−Self-hosting requires technical knowledge
−Cloud plans are limited
−Documentation could be better

Letta

Pros

+Best framework for persistent memory agents
+Open source and transparent
+Unique MemGPT architecture
+Good for long-running agent tasks

Cons

−More complex than simple agent frameworks
−Requires understanding of memory architecture
−Smaller community than LangChain

At a Glance

User Rating

4.7/5vs4.5/5

Flowise

▲

Letta

Starting Price

$35/movsPay-per-use

Flowise

▲

Letta

Feature Count

15 featuresvs15 features

Flowise

Letta

User Base

40vs10

Flowise

▲

Letta

Frequently Asked Questions

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Authored by Oleh Kem·Reviewed by Oleh KemExpert verified·Updated May 13, 2026·Our methodology