Dust vs Letta
Dust vs Letta, compared side by side on 17 data points: what each one does, how big it is, what it has raised, the tech running each site, and what users report. We score both out of 100 on traction, team and visibility: Dust is on 64/100 and Letta on 35/100.
Where each one leads
Dust
- our overall score: 64/100 against 35/100
- headcount: 143 against 15
- LinkedIn following: 36,142 against 5,596
Letta
- agent readiness: 49/100 against 32/100
At a glance
| Measure | Dust | Letta |
|---|---|---|
| What it is | Platform for building and deploying custom AI agents connected to company knowledge and tools. | An operating system for building stateful AI agents, managing context, memory, and resource allocation. |
| Category | Agentic AI, AI Agent, Foundation Model, Large Language Model | Agentic AI, AI Agent, Foundation Model, Operating System |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Software |
| Founded | 2022 | 2023 |
| Headquarters | Paris, France | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | Dust | Letta |
|---|---|---|
| Employees | 143 | 15 |
| Headcount growthLast 12 months | +500.0% | Not published |
| Total funding | $61.5M | Not published |
| Latest round | Series B | Not published |
| LinkedIn followers | 36,142 | 5,596 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Dust | Letta |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 64/100 | 35/100 |
| Traction | 56/100 | 12/100 |
| Team | 70/100 | 60/100 |
| Community | 10/100 | Not published |
| Search visibility | 61/100 | 32/100 |
| Quality | 68/100 | Not published |
| Agent readinessHow well an AI agent can read and act on the site | F (32/100) | D (49/100) |
| Domain ratingLink authority, 0-100 | 73/100 | 72/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Dust | Letta |
|---|---|---|
| Hosting | Google Cloud | Not detected |
| CDN | Not detected | Cloudflare |
| Frameworks | Next.js | Not detected |
| Analytics | Not detected | Plausible |
| Open source | Yes | Yes |
Product and pricing
| Measure | Dust | Letta |
|---|---|---|
| Key features | Custom AI Agent Building, Context-Aware Infrastructure, Universal Access Layer, Advanced AI Model Support, Enterprise-Grade Security & Compliance, Multi-tool Agent Capabilities | Stateful Agent OS, Advanced Context & Memory Management, Tool Rules for Reliability, Agents-as-a-Service Deployment, Agent Development Environment, Custom Tool Integration |
What users say
| Measure | Dust | Letta |
|---|---|---|
| Community ratingVisitor votes on StartupHub | 1.0/5 from 1 vote | Not published |
Dust vs Letta: common questions
Which is better, Dust or Letta?
On our 0-100 score Dust rates higher (64/100 against 35/100). The score weights traction, team, visibility and profile completeness, so it reflects company strength rather than which product suits you. We compare the two on 17 data points above: read the rows that match what you are buying for.
How do Dust and Letta compare on the numbers?
Dust leads on our overall score (64/100 against 35/100), headcount (143 against 15), LinkedIn following (36,142 against 5,596). Letta leads on agent readiness (49/100 against 32/100).
Read the full Dust review and pricing or the Letta review and pricing. You can also browse other Dust alternatives we track.