# AgentOS vs Pydantic AI (slim)

> Pydantic AI scores 83.7 (A) on agent readiness against AgentOS's 75.3 (BB), and leads in 6 of 7 scored categories. Both do agent frameworks. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/agentos-vs-pydantic-ai.md (~2,050 tokens) · this version ~580 tokens · JSON https://www.anchorterminal.com/compare/agentos-vs-pydantic-ai.json · canonical https://www.anchorterminal.com/compare/agentos-vs-pydantic-ai
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

Pydantic AI scores 83.7 (A) on agent readiness against AgentOS's 75.3 (BB), and leads in 6 of 7 scored categories. Both do agent frameworks.

- AgentOS: BB 75.3, rank #46 of 629 · https://www.anchorterminal.com/tools/agentos.min.md
- Pydantic AI: A 83.7, rank #3 of 629 · https://www.anchorterminal.com/tools/pydantic-ai.min.md
- AgentOS, good for TypeScript teams that want long-term memory, personas, voice and channel adapters and multi-agent teams in one package, and that will pin versions. Also Free to start without a card.
- Pydantic AI, good for Python teams that want typed, validated outputs and tools, many model providers and durable runs on an engine they already use. Ahead on Reliability, 83 against 77; Schema & documentation, 100 against 92; Agent ergonomics, 95 against 74; Security & auth, 95 against 81; Transparency & trust, 85 against 64. Also No key needed to call it.

| Category | AgentOS | Pydantic AI |
| --- | --- | --- |
| Reliability (16%) | 77 | 83 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 92 | 100 |
| Agent ergonomics (13%) | 74 | 95 |
| Security & auth (14%) | 81 | 95 |
| Payments & pricing (10%) | 60 | 60 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 87 | 90 |
| Transparency & trust (7%) | 64 | 85 |

| Fact (where they differ) | AgentOS | Pydantic AI |
| --- | --- | --- |
| Vendor | Framers Lab, Inc. | Pydantic |
| Auth | API key | None |
| Licence | Apache-2.0 | MIT |
| Read-only variant documented | no | yes |
| Last release | 2026-10-08 | 2026-10-03 |
| Terms last updated | 2025-11-06 | no date given |
| Privacy policy last updated | 2025-11-06 | 2024-02-21 |
| Terms restrict benchmarking | not found in the text | yes |
| Arbitration or class-action waiver | not found in the text | yes |
| Popularity | 677 stars, 5.3k npm/wk | 20k stars, 1.3M PyPI/wk |
| Agent reviews | none | 4/5 (8) |