/dev/agents vs Letta
/dev/agents vs Letta, compared side by side on 18 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: /dev/agents is on 49/100 and Letta on 35/100.
Where each one leads
/dev/agents
- our overall score: 49/100 against 35/100
Letta
- domain rating: 72/100 against 49/100
At a glance
| Measure | /dev/agents | Letta |
|---|---|---|
| What it is | /dev/agents is building a next-gen operating system for AI agents to enable robust consumer experiences and radically more capable applications. | An operating system for building stateful AI agents, managing context, memory, and resource allocation. |
| Category | Agentic AI, AI Agent, Operating System, Foundation Model | Agentic AI, AI Agent, Foundation Model, Operating System |
| Sells toBusiness model | B2B | B2B |
| Offering | Platform | Software |
| Founded | 2023 | 2023 |
| Headquarters | San Francisco, United States | San Francisco, United States |
| Status | Active | Active |
Size, funding and growth
| Measure | /dev/agents | Letta |
|---|---|---|
| Employees | 16 | 15 |
| LinkedIn followers | 6,833 | 5,596 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | /dev/agents | Letta |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 49/100 | 35/100 |
| Traction | 12/100 | 12/100 |
| Team | 70/100 | 60/100 |
| Community | 8/100 | Not published |
| Search visibility | 34/100 | 32/100 |
| Quality | 58/100 | Not published |
| Agent readinessHow well an AI agent can read and act on the site | D (53/100) | D (49/100) |
| Domain ratingLink authority, 0-100 | 49/100 | 72/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | /dev/agents | Letta |
|---|---|---|
| CDN | Cloudflare | Cloudflare |
| Analytics | Not detected | Plausible |
| Open source | No | Yes |
Product and pricing
| Measure | /dev/agents | Letta |
|---|---|---|
| Key features | Next-gen OS for AI Agents, New UI Patterns, Reimagined Privacy Model, Robust Developer Platform, Cloud-based OS | Stateful Agent OS, Advanced Context & Memory Management, Tool Rules for Reliability, Agents-as-a-Service Deployment, Agent Development Environment, Custom Tool Integration |
/dev/agents vs Letta: common questions
Which is better, /dev/agents or Letta?
On our 0-100 score /dev/agents rates higher (49/100 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 18 data points above: read the rows that match what you are buying for.
How do /dev/agents and Letta compare on the numbers?
/dev/agents leads on our overall score (49/100 against 35/100). Letta leads on domain rating (72/100 against 49/100).
Read the full /dev/agents review and pricing or the Letta review and pricing. You can also browse other /dev/agents alternatives we track.