# CowAgent vs Tab (slim)

> CowAgent scores 58.5 (C) to Tab's 10.7 (F) for assistants reached by message. Prices, MCP, x402, uptime and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/cowagent-vs-tab-bot.md (~3,300 tokens) · this version ~580 tokens · JSON https://www.anchorterminal.com/compare/cowagent-vs-tab-bot.json · canonical https://www.anchorterminal.com/compare/cowagent-vs-tab-bot
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-13

CowAgent scores 58.5 (C) on agent readiness against Tab's 10.7 (F), and leads in 6 of 7 scored categories. Both do assistants reached by message.

- CowAgent: C 58.5, rank #592 of 1010 · https://www.anchorterminal.com/tools/cowagent.min.md
- Tab: F 10.7, rank #1003 of 1010 · https://www.anchorterminal.com/tools/tab-bot.min.md
- CowAgent, good for One technical owner who wants an assistant on WeChat, Feishu, DingTalk, Telegram, Slack or Discord with memory in local files and a choice of Chinese and Western model providers. Ahead on Reliability, 84 against 5; Schema & documentation, 67 against 0; Agent ergonomics, 59 against 0; Security & auth, 43 against 4; Payments & pricing, 60 against 0; Maintenance & community, 83 against 58. Also Free to start without a card; Open source.
- Tab, good for A person who wants a texting assistant that browses, calls and buys with tight checkout controls. Also No incidents deducted, where CowAgent loses 5 points for them.

| Category | CowAgent | Tab |
| --- | --- | --- |
| Reliability (16%) | 84 | 5 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 67 | 0 |
| Agent ergonomics (13%) | 59 | 0 |
| Security & auth (14%) | 43 | 4 |
| Payments & pricing (10%) | 60 | 0 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 83 | 58 |
| Transparency & trust (7%) | 45 | 45 |

| Fact (where they differ) | CowAgent | Tab |
| --- | --- | --- |
| Kind | Agent harness | Platform |
| Vendor | zhayujie | Terrasoft, Inc. |
| Transports | HTTP |  |
| Pricing | Free | Paid |
| Licence | MIT | Closed service under Tab's Terms of Use (Terrasoft, Inc., effective 2 September 2026). |
| Read-only variant documented | yes | no |
| llms.txt | yes | no |
| Last release | 2026-09-30 | none |
| Terms last updated | no document linked |  |
| Privacy policy last updated | no document linked |  |
| Popularity | 47k stars | none |