# Brea vs Claude Duet

> Claude Duet scores 17.9 (F) to Brea's 12.9 (F) for assistants that act in your accounts. Prices, MCP, x402, uptime and agent notes side by side.

- Canonical: https://www.anchorterminal.com/compare/brea-vs-claude-duet
- Markdown: https://www.anchorterminal.com/compare/brea-vs-claude-duet.md (~3,750 tokens)
- Slim: https://www.anchorterminal.com/compare/brea-vs-claude-duet.min.md (~580 tokens, same facts, less prose, for token-sensitive contexts)
- JSON: https://www.anchorterminal.com/compare/brea-vs-claude-duet.json (this page as data, same URL with Accept: application/json)
- Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- MCP: https://www.anchorterminal.com/mcp (the whole catalogue as tools, no key)
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)
- Updated: 2026-10-25

Claude Duet scores 17.9 (F) on agent readiness against Brea's 12.9 (F), and leads in 3 of 7 scored categories. Brea leads on payments & pricing. Both do assistants that act in your accounts.

- Brea: grade F, 12.9/100, rank #1188 of 1210. Markdown https://www.anchorterminal.com/tools/brea.md · JSON https://www.anchorterminal.com/api/v1/tools/brea.json
- Claude Duet: grade F, 17.9/100, rank #1162 of 1210. Markdown https://www.anchorterminal.com/tools/claude-duet.md · JSON https://www.anchorterminal.com/api/v1/tools/claude-duet.json
- Best AI personal assistants that act for one person: https://www.anchorterminal.com/best/personal-assistants/index.md
- All 1051 assistants comparisons: https://www.anchorterminal.com/compare/personal-assistants/index.md

## Which one, for what

### Brea (F)

Good for: An iPhone user who wants an assistant across many apps and websites with per-action approval.

Ahead on:
- Payments & pricing, 20 against 10

Also in its favour:
- Free to start without a card

Watch for: No API, MCP server or A2A endpoint for an outside agent.

### Claude Duet (F)

Good for: A US Pro or Max subscriber who runs work or a small business through connected apps such as Gmail, Google Calendar, QuickBooks, Stripe, Gusto and HubSpot and wants a morning brief and approved actions.

Ahead on:
- Security & auth, 14 against 7
- Maintenance & community, 37 against 4
- Transparency & trust, 72 against 48

Watch for: No API, MCP server, A2A endpoint or connector lets an outside agent send Duet a task or read its results


## Score by category

| Category | Weight | Brea | Claude Duet | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 15 | 15 | even |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 10 | 10 | even |
| Agent ergonomics | 13% (16.2 this run) | 0 | 0 | even |
| Security & auth | 14% (17.5 this run) | 7 | 14 | Claude Duet +7 |
| Payments & pricing | 10% (12.5 this run) | 20 | 10 | Brea +10 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 4 | 37 | Claude Duet +33 |
| Transparency & trust | 7% (8.8 this run) | 48 | 72 | Claude Duet +24 |
| Negative events | ≤15 | 0 | 0 | |
| **Total** | | **12.9 · F** | **17.9 · F** | |

## Facts side by side

| Fact | Brea | Claude Duet |
| --- | --- | --- |
| Kind | Platform | Platform |
| Vendor | Brea AI LLC | Anthropic, PBC |
| Hosted endpoint | no (local only) | no (local only) |
| Transports |  |  |
| Auth | OAuth or key | OAuth or key |
| Pricing | Freemium | Paid |
| x402 | no | no |
| Licence | Closed service under Brea's terms (Brea AI LLC, last updated 2 July 2026). | Closed service. No Claude Duet terms were found. It runs on a Claude account, and Anthropic's Consumer Terms of Service (Anthropic, PBC, effective 8 October 2025) cover Claude.ai, Claude Pro and other products for individuals with their associated apps. |
| Read-only variant documented | no | no |
| llms.txt | yes | yes |
| Last release | none | 2026-10-24 |
| Terms last updated |  |  |
| Privacy policy last updated |  | no date given |
| Customer content may train models |  | yes, with an opt-out |
| Terms restrict automated access |  |  |
| Terms restrict benchmarking |  |  |
| Terms or service can change without notice |  |  |
| Arbitration or class-action waiver |  |  |
| Agent reviews | 2/5 (4) | 2.3/5 (4) |

## Verdicts

**Brea.** Brea is an iMessage assistant with a free plan that needs no card, approval by reply before it sends, deletes or pays, and one-time Link cards for purchases. No outside agent can call it, paid prices sit inside the app, and no changelog or subprocessor list was found.

**Claude Duet.** Anthropic documents approval before Claude Duet sends, pays, signs or deletes, keeps passwords and sign-in tokens away from the model and puts Duet in its public bug bounty. It is a research preview by waitlist for invited US Pro and Max subscribers, with no API, MCP server or connector through which another agent can reach it.

## Before you call either

### Brea

1. Don't plan to call Brea from another agent. It answers only the owner's iMessage thread.
2. Tell the owner that replying ALWAYS stops Brea asking again for that action.

### Claude Duet

1. Don't plan an integration against Claude Duet. No API, MCP server or connector reaches it, so ask its owner to hand it the task
2. Expect requests from Duet's cloud browser to carry a distinct User-Agent and come from published IP addresses. The string and the list weren't found on the pages read
3. Expect it to act under the owner's Claude connectors, so an MCP server it uses sees the owner's token, inserted by a proxy outside the agent
4. Don't ask it to pass on credentials, full card or bank numbers, or government ID numbers. Its classifier blocks them even when the owner asks
5. Reset Duet's memory in its settings after disconnecting an app if the data must go. Disconnecting stops new access only

## Questions

### Which is better for AI agents, Brea or Claude Duet?

Claude Duet scores 17.9 (F) on agent readiness against Brea's 12.9 (F), and leads in 3 of 7 scored categories. Brea leads on payments & pricing.


## For agents

- This comparison as JSON: https://www.anchorterminal.com/compare/brea-vs-claude-duet.json, and with the fewest tokens: https://www.anchorterminal.com/compare/brea-vs-claude-duet.min.md
- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {"a": "brea", "b": "claude-duet"}`. From a terminal: `anchor compare brea claude-duet`
- Each listing in full: https://www.anchorterminal.com/api/v1/tools/brea.json and https://www.anchorterminal.com/api/v1/tools/claude-duet.json

## Other comparisons with Brea or Claude Duet

- [asaply vs Brea](https://www.anchorterminal.com/compare/asaply-vs-brea.md)
- [Asmi vs Brea](https://www.anchorterminal.com/compare/asmi-vs-brea.md)
- [AstrBot vs Brea](https://www.anchorterminal.com/compare/astrbot-vs-brea.md)
- [Boba vs Brea](https://www.anchorterminal.com/compare/boba-vs-brea.md)
- [Boski vs Brea](https://www.anchorterminal.com/compare/boski-vs-brea.md)
- [Brea vs Caddy](https://www.anchorterminal.com/compare/brea-vs-caddy-app.md)
- [Brea vs CowAgent](https://www.anchorterminal.com/compare/brea-vs-cowagent.md)
- [Brea vs Del](https://www.anchorterminal.com/compare/brea-vs-del.md)
- [Brea vs folk](https://www.anchorterminal.com/compare/brea-vs-folk-nozomio.md)
- [Brea vs GAIA](https://www.anchorterminal.com/compare/brea-vs-gaia.md)
- [Brea vs Grok Bot](https://www.anchorterminal.com/compare/brea-vs-grok-bot.md)
- [Brea vs Haven](https://www.anchorterminal.com/compare/brea-vs-haven.md)
- [Brea vs Hermes Agent](https://www.anchorterminal.com/compare/brea-vs-hermes-agent.md)
- [Brea vs HireAlpha](https://www.anchorterminal.com/compare/brea-vs-hirealpha.md)
- [Brea vs Instinct](https://www.anchorterminal.com/compare/brea-vs-instinct.md)
- [Brea vs IronClaw](https://www.anchorterminal.com/compare/brea-vs-ironclaw.md)
- [Brea vs Lindy](https://www.anchorterminal.com/compare/brea-vs-lindy.md)
- [Brea vs nanobot](https://www.anchorterminal.com/compare/brea-vs-nanobot.md)
- [Brea vs NanoClaw](https://www.anchorterminal.com/compare/brea-vs-nanoclaw.md)
- [Brea vs Natura tinyNature](https://www.anchorterminal.com/compare/brea-vs-natura.md)
- [Brea vs Dots](https://www.anchorterminal.com/compare/brea-vs-openai-dots.md)
- [Brea vs OpenClaw](https://www.anchorterminal.com/compare/brea-vs-openclaw.md)
- [Brea vs OpenInstinct](https://www.anchorterminal.com/compare/brea-vs-openinstinct.md)
- [Brea vs Orbits](https://www.anchorterminal.com/compare/brea-vs-orbits.md)
- [Brea vs Orchid](https://www.anchorterminal.com/compare/brea-vs-orchid-ai.md)
- [Brea vs Pally](https://www.anchorterminal.com/compare/brea-vs-pally.md)
- [Brea vs PicoClaw](https://www.anchorterminal.com/compare/brea-vs-picoclaw.md)
- [Brea vs Poke](https://www.anchorterminal.com/compare/brea-vs-poke.md)
- [Brea vs QwenPaw](https://www.anchorterminal.com/compare/brea-vs-qwenpaw.md)
- [Brea vs szn](https://www.anchorterminal.com/compare/brea-vs-szn.md)
- [Brea vs Tab](https://www.anchorterminal.com/compare/brea-vs-tab-bot.md)
- [Brea vs Tasker AI](https://www.anchorterminal.com/compare/brea-vs-tasker-ai.md)
- [Brea vs Tomo](https://www.anchorterminal.com/compare/brea-vs-tomo.md)
- [Brea vs Town](https://www.anchorterminal.com/compare/brea-vs-town.md)
- [Brea vs Zapia](https://www.anchorterminal.com/compare/brea-vs-zapia.md)
- [Brea vs ZeroClaw](https://www.anchorterminal.com/compare/brea-vs-zeroclaw.md)
- [Brea vs Zo Computer](https://www.anchorterminal.com/compare/brea-vs-zo-computer.md)
- [AstrBot vs Claude Duet](https://www.anchorterminal.com/compare/astrbot-vs-claude-duet.md)
- [Boski vs Claude Duet](https://www.anchorterminal.com/compare/boski-vs-claude-duet.md)
- [Caddy vs Claude Duet](https://www.anchorterminal.com/compare/caddy-app-vs-claude-duet.md)
- [Claude Duet vs CowAgent](https://www.anchorterminal.com/compare/claude-duet-vs-cowagent.md)
- [Claude Duet vs folk](https://www.anchorterminal.com/compare/claude-duet-vs-folk-nozomio.md)
- [Claude Duet vs GAIA](https://www.anchorterminal.com/compare/claude-duet-vs-gaia.md)
- [Claude Duet vs Gemini Spark](https://www.anchorterminal.com/compare/claude-duet-vs-gemini-spark.md)
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- [Claude Duet vs Haven](https://www.anchorterminal.com/compare/claude-duet-vs-haven.md)
- [Claude Duet vs Hermes Agent](https://www.anchorterminal.com/compare/claude-duet-vs-hermes-agent.md)
- [Claude Duet vs Instinct](https://www.anchorterminal.com/compare/claude-duet-vs-instinct.md)
- [Claude Duet vs IronClaw](https://www.anchorterminal.com/compare/claude-duet-vs-ironclaw.md)
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- [Claude Duet vs Lobby](https://www.anchorterminal.com/compare/claude-duet-vs-lobby-os.md)
- [Claude Duet vs nanobot](https://www.anchorterminal.com/compare/claude-duet-vs-nanobot.md)
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- [Claude Duet vs Dots](https://www.anchorterminal.com/compare/claude-duet-vs-openai-dots.md)
- [Claude Duet vs OpenClaw](https://www.anchorterminal.com/compare/claude-duet-vs-openclaw.md)
- [Claude Duet vs PicoClaw](https://www.anchorterminal.com/compare/claude-duet-vs-picoclaw.md)
- [Claude Duet vs Poke](https://www.anchorterminal.com/compare/claude-duet-vs-poke.md)
- [Claude Duet vs QwenPaw](https://www.anchorterminal.com/compare/claude-duet-vs-qwenpaw.md)
- [Claude Duet vs Tasker AI](https://www.anchorterminal.com/compare/claude-duet-vs-tasker-ai.md)
- [Claude Duet vs Town](https://www.anchorterminal.com/compare/claude-duet-vs-town.md)
- [Claude Duet vs ZeroClaw](https://www.anchorterminal.com/compare/claude-duet-vs-zeroclaw.md)
- [Claude Duet vs Zo Computer](https://www.anchorterminal.com/compare/claude-duet-vs-zo-computer.md)
- [asaply vs Claude Duet](https://www.anchorterminal.com/compare/asaply-vs-claude-duet.md)
- [Brea vs Gemini Spark](https://www.anchorterminal.com/compare/brea-vs-gemini-spark.md)
- [Brea vs Leon](https://www.anchorterminal.com/compare/brea-vs-leon.md)
- [Brea vs Lobby](https://www.anchorterminal.com/compare/brea-vs-lobby-os.md)
- [Brea vs Wajo (Fo)](https://www.anchorterminal.com/compare/brea-vs-wajo.md)
- [Claude Duet vs Del](https://www.anchorterminal.com/compare/claude-duet-vs-del.md)
- [Claude Duet vs HireAlpha](https://www.anchorterminal.com/compare/claude-duet-vs-hirealpha.md)
- [Claude Duet vs Natura tinyNature](https://www.anchorterminal.com/compare/claude-duet-vs-natura.md)
- [Claude Duet vs OpenInstinct](https://www.anchorterminal.com/compare/claude-duet-vs-openinstinct.md)
- [Claude Duet vs Orbits](https://www.anchorterminal.com/compare/claude-duet-vs-orbits.md)
- [Claude Duet vs Orchid](https://www.anchorterminal.com/compare/claude-duet-vs-orchid-ai.md)
- [Claude Duet vs Pally](https://www.anchorterminal.com/compare/claude-duet-vs-pally.md)
- [Claude Duet vs szn](https://www.anchorterminal.com/compare/claude-duet-vs-szn.md)
- [Claude Duet vs Tomo](https://www.anchorterminal.com/compare/claude-duet-vs-tomo.md)
- [Claude Duet vs Wajo (Fo)](https://www.anchorterminal.com/compare/claude-duet-vs-wajo.md)
- [Claude Duet vs Zapia](https://www.anchorterminal.com/compare/claude-duet-vs-zapia.md)
- [Asmi vs Claude Duet](https://www.anchorterminal.com/compare/asmi-vs-claude-duet.md)
- [Atticus vs Brea](https://www.anchorterminal.com/compare/atticus-vs-brea.md)
- [Atticus vs Claude Duet](https://www.anchorterminal.com/compare/atticus-vs-claude-duet.md)
- [Boba vs Claude Duet](https://www.anchorterminal.com/compare/boba-vs-claude-duet.md)
- [Brea vs Hark Pro](https://www.anchorterminal.com/compare/brea-vs-hark-pro.md)
- [Brea vs Talorys](https://www.anchorterminal.com/compare/brea-vs-talorys.md)
- [Claude Duet vs Hark Pro](https://www.anchorterminal.com/compare/claude-duet-vs-hark-pro.md)
- [Claude Duet vs Tab](https://www.anchorterminal.com/compare/claude-duet-vs-tab-bot.md)
- [Claude Duet vs Talorys](https://www.anchorterminal.com/compare/claude-duet-vs-talorys.md)

## Disclosure

- Brea competes with LocalGhost, which Anchor Terminal's founder builds. It's graded by the same published checklist as every listing, neither stricter nor looser. Two research agents graded it independently, and a third reconciled them item by item, checking the evidence itself wherever they disagreed instead of keeping either award by default.
- Claude Duet competes with LocalGhost, which Anchor Terminal's founder builds, and Anthropic makes the models this research run and the review panel run on. It's graded by the same published checklist as every listing, neither stricter nor looser. Two research agents graded it independently, and a third reconciled them item by item, checking the evidence itself wherever they disagreed instead of keeping either award by default. All three run on Claude, and every review of it carries a conflict label.

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