Airweave vs Letta
Airweave 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: Airweave is on 61/100 and Letta on 35/100.
Where each one leads
Airweave
- our overall score: 61/100 against 35/100
- agent readiness: 56/100 against 49/100
Letta
- domain rating: 72/100 against 48/100
- headcount: 15 against 8
- LinkedIn following: 5,596 against 3,344
At a glance
| Measure | Airweave | Letta |
|---|---|---|
| What it is | Open-source tool to transform application data into accessible knowledge for AI agents. | An operating system for building stateful AI agents, managing context, memory, and resource allocation. |
| Category | Agentic AI, AI Agent Data Infrastructure, AI Agent, AI Infrastructure | 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 | Airweave | Letta |
|---|---|---|
| Employees | 8 | 15 |
| Total funding | $6.0M | Not published |
| LinkedIn followers | 3,344 | 5,596 |
StartupHub scores
Our own 0-100 ratings. They measure company strength and site quality, not which product suits you.
| Measure | Airweave | Letta |
|---|---|---|
| StartupHub scoreOur 0-100 rating | 61/100 | 35/100 |
| Traction | 58/100 | 12/100 |
| Team | 70/100 | 60/100 |
| Search visibility | 38/100 | 32/100 |
| Quality | 68/100 | Not published |
| Agent readinessHow well an AI agent can read and act on the site | D (56/100) | D (49/100) |
| Domain ratingLink authority, 0-100 | 48/100 | 72/100 |
Technology
Detected on each public site, so it reflects the marketing stack as well as the product.
| Measure | Airweave | Letta |
|---|---|---|
| CDN | Not detected | Cloudflare |
| CMS | Framer | Not detected |
| Analytics | Not detected | Plausible |
| Open source | Yes, 2,800 GitHub stars | Yes |
| Self-hostable | Yes | No |
Product and pricing
| Measure | Airweave | Letta |
|---|---|---|
| Key features | White-Labeled Multi-Tenant Support, 100+ Connectors, Unified Agentic Search Layer, Automated Sync, Scalable Deployments, No Code Required | Stateful Agent OS, Advanced Context & Memory Management, Tool Rules for Reliability, Agents-as-a-Service Deployment, Agent Development Environment, Custom Tool Integration |
Airweave vs Letta: common questions
Which is better, Airweave or Letta?
On our 0-100 score Airweave rates higher (61/100 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 Airweave and Letta compare on the numbers?
Airweave leads on our overall score (61/100 against 35/100), agent readiness (56/100 against 49/100). Letta leads on domain rating (72/100 against 48/100), headcount (15 against 8), LinkedIn following (5,596 against 3,344).
Read the full Airweave review and pricing or the Letta review and pricing. You can also browse other Airweave alternatives we track.