Quick Verdict
pi.dev gives you full control — the classic OSS vs commercial trade-off.
Pricing
| pi.dev | AmpCode | |
|---|---|---|
| Price | Free (BYO keys) | Pay-as-you-go (free tier ~$10/day) |
| Open source | Yes ✅ | No ❌ |
| Best for | Long-running knowledge-backed agents | Unconstrained agentic coding with multi-model routing |
Open Source vs Commercial
The open source vs commercial debate matters more for coding agents than most tools because your agent has access to everything.
pi.dev is built for long-running knowledge-backed agents. It’s open source with Free (BYO keys) pricing.
AmpCode is built for unconstrained agentic coding with multi-model routing. It’s a commercial product with Pay-as-you-go (free tier ~$10/day) pricing.
Feature Comparison
| Feature | pi.dev | AmpCode |
|---|
Pros & Cons
pi.dev
Pros:
- Persistent knowledge graphs
- Scheduled tasks
- Background agents
Cons:
- No git integration
- No plugin system
AmpCode
Pros:
- Multi-model routing
- Unconstrained token usage
- Free daily credits
Cons:
- Pay-as-you-go costs unpredictable
- Free tier closed to new signups
Verdict
pi.dev gives you full control — the classic OSS vs commercial trade-off.
pi.dev is recommended for: Knowledge-intensive long-running agent tasks AmpCode is recommended for: Maximum capability, variable billing
For a full overview of all 15 agents, see the Complete Guide to AI Coding Agents.