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Tools/Letta vs Guidance
Letta

Letta

framework
vs
Guidance

Guidance

framework

Letta vs Guidance — Comparison

Overview
What each tool does and who it's for

Letta

Making machines that learn. Create stateful agents that remember everything, learn continuously, and improve themselves over time.

Based on the limited social mentions available, users appear to have concerns about **Letta's performance at scale**, particularly citing **200-500ms latency per operation** due to routing all memory operations through an LLM. This latency issue is seen as a significant enough problem that developers are building alternative solutions specifically to avoid it. The multiple YouTube mentions suggest there's active interest and discussion around Letta in the AI agent community. However, without detailed reviews or pricing information, it's difficult to assess overall user satisfaction or cost concerns beyond the core performance complaint.

Guidance

A guidance language for controlling large language models. - guidance-ai/guidance

I cannot provide a meaningful summary about user opinions on "Guidance" based on the provided social mentions. The mentions appear to be from various unrelated topics (political investigations, immigration surveillance, AI benchmarking, and code updates) and don't contain any reviews or discussions specifically about a software tool called "Guidance." To provide an accurate summary of user sentiment about Guidance, I would need social mentions and reviews that actually discuss the software tool itself, including user experiences, features, pricing, and overall satisfaction.

Key Metrics
—
Avg Rating
—
0
Mentions (30d)
2
21,824
GitHub Stars
21,364
2,303
GitHub Forks
1,157
—
npm Downloads/wk
—
—
PyPI Downloads/mo
—
Community Sentiment
How developers feel about each tool based on mentions and reviews

Letta

0% positive100% neutral0% negative

Guidance

0% positive100% neutral0% negative
Pricing

Letta

usage-based + subscription + tieredFree tier

Pricing found: $20 / month, $100 / month, $200 / month, $20 / month, $0.10 / active

Guidance

tiered
Use Cases
When to use each tool

Letta (1)

Persistent agents instead of stateless sessions
Features

Only in Letta (10)

Persistent agents instead of stateless sessionsAlways improving and learningOwn your memory and port it across modelsChat from any device, run on any environmentCompatible with your API keys and coding plansInstall the desktop appUse in the terminalBuild with the SDKGet started with Letta CodeLetta Code desktop app

Only in Guidance (10)

Set the temperature of the generationCapture the generated page from the Model objectA Pythonic interface for language modelsGuarantee output syntax with constrained generationDebug grammars offline (no model API calls)Create your own Guidance functionsGenerating JSONResourcesLicenseContributing
Developer Ecosystem
47
GitHub Repos
11
754
GitHub Followers
236
20
npm Packages
20
—
HuggingFace Models
14
—
SO Reputation
—
Pain Points
Top complaints from reviews and social mentions

Letta

token cost (1)

Guidance

token cost (2)
Product Screenshots

Letta

Letta screenshot 1Letta screenshot 2Letta screenshot 3Letta screenshot 4

Guidance

Guidance screenshot 1
Company Intel
research
Industry
information technology & services
18
Employees
6,000
$10.0M
Funding
$7.9B
Seed
Stage
Other
Supported Languages & Categories

Letta

Developer Tools

Guidance

AI/MLFinTechDevOpsSecurityDeveloper Tools
View Letta Profile View Guidance Profile