# nanobot vs Tab (slim)

> nanobot scores 62.4 (B) 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/nanobot-vs-tab-bot.md (~3,250 tokens) · this version ~580 tokens · JSON https://www.anchorterminal.com/compare/nanobot-vs-tab-bot.json · canonical https://www.anchorterminal.com/compare/nanobot-vs-tab-bot
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-13

nanobot scores 62.4 (B) on agent readiness against Tab's 10.7 (F), and leads in every scored category. Both do assistants reached by message.

- nanobot: B 62.4, rank #446 of 1010 · https://www.anchorterminal.com/tools/nanobot.min.md
- Tab: F 10.7, rank #1003 of 1010 · https://www.anchorterminal.com/tools/tab-bot.min.md
- nanobot, good for A technical owner who wants an assistant on their own machine across many chat apps, with file-based memory and a free choice of model. Ahead on Reliability, 70 against 5; Schema & documentation, 77 against 0; Agent ergonomics, 74 against 0; Security & auth, 63 against 4; Payments & pricing, 60 against 0; Maintenance & community, 82 against 58. Also No key needed to call it; 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 nanobot loses 6 points for them.

| Category | nanobot | Tab |
| --- | --- | --- |
| Reliability (16%) | 70 | 5 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 77 | 0 |
| Agent ergonomics (13%) | 74 | 0 |
| Security & auth (14%) | 63 | 4 |
| Payments & pricing (10%) | 60 | 0 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 82 | 58 |
| Transparency & trust (7%) | 48 | 45 |

| Fact (where they differ) | nanobot | Tab |
| --- | --- | --- |
| Kind | Agent harness | Platform |
| Vendor | HKUDS | Terrasoft, Inc. |
| Auth | None | OAuth or key |
| Pricing | Free | Paid |
| Licence | MIT | Closed service under Tab's Terms of Use (Terrasoft, Inc., effective 2 September 2026). |
| llms.txt | yes | no |
| Last release | 2026-09-15 | none |
| Terms last updated | no document linked |  |
| Privacy policy last updated | no document linked |  |
| Popularity | 49k stars | none |