Magnitude
YC S25 · Active · Open source inference server for local models
Competitors
| Company | Category | Status | Program |
|---|---|---|---|
 RunAnywhereShared: claude code, open source, infrastructureActiveAI, Devtools | AI, Devtools | Active | YCW26 |
 VocodeShared: open sourceAcquiredAI, Devtools | AI, Devtools | Acquired | YCW23 |
 OpenFoundryShared: open source, infrastructure, codeActiveAI, Devtools | AI, Devtools | Active | YCW24 |
 CuaShared: claude code, open source, openclawActiveAI, Devtools | AI, Devtools | Active | YCX25 |
 ManufactShared: open source, infrastructure, serverActiveAI, Devtools | AI, Devtools | Active | YCS25 |
 Positronnot in a program hereShared: inference, model, hardwareElsewhereOther | Other | Elsewhere | |
 Together AInot in a program hereShared: open source, modelElsewhereOther | Other | Elsewhere |
Adjacent
| Company | Category | Status | Program |
|---|---|---|---|
 Unsloth AIShared: open source, infrastructure, modelActiveAI, Devtools | AI, Devtools | Active | YCS24 |
 TwentyShared: open sourceActiveDevtools | Devtools | Active | YCS23 |
 TracerShared: open source, inference, modelActiveAI, Devtools | AI, Devtools | Active | YCS26 |
 Evidently AIShared: open source, modelActiveAI, Data, Devtools | AI, Data, Devtools | Active | YCS21 |
 AdenShared: open source, infrastructure, agentActiveAI, Devtools | AI, Devtools | Active | YCW20 |
Also from S25 in AI
All of S25| Company | Category | Status |
|---|---|---|
 Cactus ComputeAutomation Foundation Models For Tiny DevicesActiveAI, Devtools | AI, Devtools | Active |
 KERNELCrazy fast, open source infra for AI agents to use the InternetActiveAI, Devtools | AI, Devtools | Active |
 stagewiseThe Open Source Agentic IDEActiveAI, Devtools | AI, Devtools | Active |
 TraceRoot.AIOpen source self-improving layer for AI agentsActiveAI, Devtools | AI, Devtools | Active |
 AgentMailEmail Inboxes for AI AgentsActiveAI, Devtools | AI, Devtools | Active |
 AlterSecure access control and authorization platform for agent workflowsActiveAI, Devtools | AI, Devtools | Active |
Founders
- Tom GreenwaldFounder/CEO
- Anders LieFounder/CTO
About Magnitude
Magnitude runs the best local models for your hardware, plugged into the agent you already use. Works with Pi, OpenCode, Hermes, OpenClaw, Codex, Claude Code, Oh My Pi, and Cline.
- YC batch
- S25 · Summer 2025
- Status, per YC
- Active
- Category
- AI, Developer tools
- Team size
- 2
- Location
- San Francisco, CA, USA
- Founded
- 2025
- Checked
- 1h ago
YC tags: Artificial Intelligence, Developer Tools, Open Source, Infrastructure, AI
Magnitude: questions
Which YC batch was Magnitude in?
Magnitude was in Y Combinator's Summer 2025 batch (S25).
Is Magnitude still active?
Y Combinator lists Magnitude as active.
Who founded Magnitude?
Magnitude's founders, as listed on its YC page: Tom Greenwald (Founder/CEO), Anders Lie (Founder/CTO).
Where is Magnitude based?
Magnitude lists San Francisco, CA, USA as its location on YC's directory.
Sources: each program's public company list, read twice a week. Not affiliated with Y Combinator or any other program. Logos via logo.dev; trademarks belong to their owners.