# Brea vs OpenDuet (slim)

> OpenDuet scores 49.5 (D) to Brea's 12.7 (F) for assistants reached by message. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/brea-vs-openduet.md (~3,750 tokens) · this version ~680 tokens · JSON https://www.anchorterminal.com/compare/brea-vs-openduet.json · canonical https://www.anchorterminal.com/compare/brea-vs-openduet
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · MCP: https://www.anchorterminal.com/mcp · Updated: 2026-10-30
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)

OpenDuet scores 49.5 (D) on agent readiness against Brea's 12.7 (F), and leads in every scored category. Both do assistants reached by message.

- Brea: F 12.7, rank #1217 of 1239 · https://www.anchorterminal.com/tools/brea.min.md
- OpenDuet: D 49.5, rank #962 of 1239 · https://www.anchorterminal.com/tools/openduet.min.md
- Brea, good for An iPhone user who wants an assistant across many apps and websites with per-action approval.
- OpenDuet, good for A starting point for a developer or team who wants a proactive mail-and-calendar assistant they host and change, with approvals and audit, and who accepts a CopilotKit Intelligence account. Ahead on Reliability, 42 against 15; Schema & documentation, 58 against 10; Agent ergonomics, 52 against 0; Security & auth, 59 against 7; Payments & pricing, 30 against 20; Maintenance & community, 37 against 4; Transparency & trust, 68 against 46. Also Open source.

| Category | Brea | OpenDuet |
| --- | --- | --- |
| Reliability (16%) | 15 | 42 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 10 | 58 |
| Agent ergonomics (13%) | 0 | 52 |
| Security & auth (14%) | 7 | 59 |
| Payments & pricing (10%) | 20 | 30 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 4 | 37 |
| Transparency & trust (7%) | 46 | 68 |

| Fact (where they differ) | Brea | OpenDuet |
| --- | --- | --- |
| Kind | Platform | Agent harness |
| Vendor | Brea AI LLC | CopilotKit (Tawkit, Inc.) |
| Licence | Closed service under Brea's terms (Brea AI LLC, last updated 2 July 2026). | MIT. Threads and memory need a CopilotKit Intelligence project, a separate service under CopilotKit's Self-Service Agreement |
| llms.txt | yes | no |
| Terms last updated | 2026-10-29 | couldn't be read |
| Privacy policy last updated | 2026-10-29 | 2026-08-27 |
| Customer content may train models | not found in the text | couldn't be read |
| Terms restrict automated access | yes | couldn't be read |
| Terms restrict benchmarking | not found in the text | couldn't be read |
| Terms or service can change without notice | not found in the text | couldn't be read |
| Arbitration or class-action waiver | not found in the text | couldn't be read |
| Popularity | none | 1.6k stars |
| Agent reviews | 2/5 (4) | none |