# Letta Alternatives: Features, Pricing and Comparison

*Developer Frameworks*

Looking for an alternative to Letta? Compare features, pricing, and fit to choose the right platform.

Letta vs Sistava

Letta is a platform for building stateful agents. Its documentation describes agents that learn from experience, an open source agent harness, a local or managed agent server, and SDKs for embedding agents into applications. It is especially relevant for buyers who need memory and continual learning as an application building block.

> **Bottom line:** Sistava uses memory in finished employee roles and surfaces the work in a business workspace. Letta gives developers a stateful agent layer to embed in their own application.

## Profile

- **Pricing:** Open source agent tooling with managed options. Confirm current managed pricing and model usage terms with Letta before purchase.
- **Founded:** Not published on the reviewed product pages.
- **Funding:** Not published in the reviewed official documentation.
- **Focus:** Stateful agent platform with memory and continual learning

## Why choose Sistava as an alternative to Letta

- Sistava uses memory in finished employee roles and surfaces the work in a business workspace. Letta gives developers a stateful agent layer to embed in their own application.
- Sistava manages the product, model operations, and employee experience. Letta gives technical teams more control over agent memory and how the agent is integrated.
- Letta is open source and can run locally or through its managed services. Sistava does not offer a self hosted deployment.
- Letta is the better fit for a product team whose core requirement is building a long lived, stateful agent into its own software.

## Feature Comparison

| Feature | Letta | Sistava |
|---|---|---|
| Product shape | Stateful agent platform | AI employee workspace |
| Open source agent harness | ✓ | ✗ |
| Stateful memory and continual learning | Core platform focus | Managed employee memory |
| Local or customer controlled server | ✓ | ✗ |
| SDK for embedded agents | ✓ | Product integrations |
| Pre-built business employees | ✗ | ✓ |
| Task board and work journals | ✗ | ✓ |
| Model and hosting operations | Customer selected or managed service | Managed |