# nanobot vs szn > nanobot scores 62.4 (B) to szn's 7.3 (F) for assistants reached by message. Prices, MCP, x402, uptime and agent notes side by side. - Canonical: https://www.anchorterminal.com/compare/nanobot-vs-szn - Markdown: https://www.anchorterminal.com/compare/nanobot-vs-szn.md (~3,250 tokens) - Slim: https://www.anchorterminal.com/compare/nanobot-vs-szn.min.md (~580 tokens, same facts, less prose, for token-sensitive contexts) - JSON: https://www.anchorterminal.com/compare/nanobot-vs-szn.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 - Updated: 2026-10-13 nanobot scores 62.4 (B) on agent readiness against szn's 7.3 (F), and leads in every scored category. Both do assistants reached by message. - nanobot: grade B, 62.4/100, rank #446 of 1010. Markdown https://www.anchorterminal.com/tools/nanobot.md · JSON https://www.anchorterminal.com/api/v1/tools/nanobot.json - szn: grade F, 7.3/100, rank #1010 of 1010. Markdown https://www.anchorterminal.com/tools/szn.md · JSON https://www.anchorterminal.com/api/v1/tools/szn.json - Best AI personal assistants that act for one person: https://www.anchorterminal.com/best/personal-assistants/index.md - All 834 assistants comparisons: https://www.anchorterminal.com/compare/personal-assistants/index.md ## Which one, for what ### nanobot (B) 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 10 - Agent ergonomics, 74 against 0 - Security & auth, 63 against 0 - Payments & pricing, 60 against 20 - Maintenance & community, 82 against 2 - Transparency & trust, 48 against 23 Also in its favour: - No key needed to call it - Open source Watch for: No per-action approval was found in the docs or source. The agent sends messages, runs shell commands and edits files without asking ### szn (F) Good for: A person who wants calls, emails and bookings done for them and has an access code. Also in its favour: - No incidents deducted, where nanobot loses 6 points for them Watch for: Early access by access code only. ## Score by category | Category | Weight | nanobot | szn | Edge | | --- | --- | --- | --- | --- | | Reliability | 16% (20 this run) | 70 | 5 | nanobot +65 | | Performance | 10%, pending | pending | pending | not scored in this run | | Schema & documentation | 13% (16.2 this run) | 77 | 10 | nanobot +67 | | Agent ergonomics | 13% (16.2 this run) | 74 | 0 | nanobot +74 | | Security & auth | 14% (17.5 this run) | 63 | 0 | nanobot +63 | | Payments & pricing | 10% (12.5 this run) | 60 | 20 | nanobot +40 | | Task success | 10%, pending | pending | pending | not scored in this run | | Maintenance & community | 7% (8.8 this run) | 82 | 2 | nanobot +80 | | Transparency & trust | 7% (8.8 this run) | 48 | 23 | nanobot +25 | | Negative events | ≤15 | -6 | 0 | | | **Total** | | **62.4 · B** | **7.3 · F** | | ## Facts side by side | Fact | nanobot | szn | | --- | --- | --- | | Kind | Agent harness | Platform | | Vendor | HKUDS | Nomadic Futures | | Hosted endpoint | no (local only) | no (local only) | | Transports | | | | Auth | None | OAuth or key | | Pricing | Free | Free | | x402 | no | no | | Licence | MIT | Closed service. No terms of service were found on theszn.ai. A privacy policy and an acceptable use policy (both last updated March 2026) apply. | | Read-only variant documented | no | yes | | llms.txt | yes | yes | | Last release | 2026-09-15 | none | | Terms last updated | no document linked | no document linked | | Privacy policy last updated | no document linked | | | Customer content may train models | | | | Terms restrict automated access | | | | Terms restrict benchmarking | | | | Terms or service can change without notice | | | | Arbitration or class-action waiver | | | | Popularity | 49k stars | none | ## Verdicts **nanobot.** nanobot runs on the owner's machine under the MIT licence, with no telemetry found in its source and memory kept as files the owner can read and restore. No per-action approval step was found, and the shell sandbox and workspace restriction are off by default. Five security advisories were published between March and September 2026, all with fixes. **szn.** szn is an errand assistant in early access that makes calls, sends emails and books for its owner, free during the preview for people with an access code. No outside agent can call it, no terms of service or legal entity appear in its policies, and its privacy policy says nothing on training. ## Before you call either ### nanobot 1. Set `tools.restrictToWorkspace` to true and `tools.exec.sandbox` to `bwrap` or `seatbelt` before giving it real accounts. Both are off by default 2. Run 0.3.0 or later. Earlier versions carry the published SSRF flaw in web fetch (GHSA-vc5v-6vwm-wf9m) 3. Keep `allowFrom` narrow on every channel and never set `["*"]` on Email, which has no pairing 4. Write secrets as `${VAR}` references in `~/.nanobot/config.json`. Plain values are stored in clear text 5. Use `nanobot -m "..."` for a one-shot run, and keep `nanobot gateway` running for channels, schedules and heartbeat ### szn 1. Don't plan to call szn from another agent. It answers only its web app, iMessage, SMS and email for the owner. 2. Tell the owner they need an access code to start, and that the acceptable use policy makes them responsible for confirming actions. ## Questions ### Which is better for AI agents, nanobot or szn? nanobot scores 62.4 (B) on agent readiness against szn's 7.3 (F), and leads in every scored category. ### Are nanobot and szn open source? nanobot is open source (MIT). No open-source release is listed for szn. ## For agents - This comparison as JSON: https://www.anchorterminal.com/compare/nanobot-vs-szn.json, and with the fewest tokens: https://www.anchorterminal.com/compare/nanobot-vs-szn.min.md - Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {"a": "nanobot", "b": "szn"}`. From a terminal: `anchor compare nanobot szn` - Each listing in full: https://www.anchorterminal.com/api/v1/tools/nanobot.json and https://www.anchorterminal.com/api/v1/tools/szn.json ## Other comparisons with nanobot or szn - [asaply vs nanobot](https://www.anchorterminal.com/compare/asaply-vs-nanobot.md) - [asaply vs szn](https://www.anchorterminal.com/compare/asaply-vs-szn.md) - [Asmi vs nanobot](https://www.anchorterminal.com/compare/asmi-vs-nanobot.md) - [Asmi vs szn](https://www.anchorterminal.com/compare/asmi-vs-szn.md) - [AstrBot vs szn](https://www.anchorterminal.com/compare/astrbot-vs-szn.md) - [Boba vs nanobot](https://www.anchorterminal.com/compare/boba-vs-nanobot.md) - [Boba vs szn](https://www.anchorterminal.com/compare/boba-vs-szn.md) - [Boski vs szn](https://www.anchorterminal.com/compare/boski-vs-szn.md) - [Brea vs nanobot](https://www.anchorterminal.com/compare/brea-vs-nanobot.md) - [Brea vs szn](https://www.anchorterminal.com/compare/brea-vs-szn.md) - [Caddy vs szn](https://www.anchorterminal.com/compare/caddy-app-vs-szn.md) - [CowAgent vs szn](https://www.anchorterminal.com/compare/cowagent-vs-szn.md) - [Del vs nanobot](https://www.anchorterminal.com/compare/del-vs-nanobot.md) - [Del vs szn](https://www.anchorterminal.com/compare/del-vs-szn.md) - [folk vs szn](https://www.anchorterminal.com/compare/folk-nozomio-vs-szn.md) - [GAIA vs szn](https://www.anchorterminal.com/compare/gaia-vs-szn.md) - [Grok Bot vs szn](https://www.anchorterminal.com/compare/grok-bot-vs-szn.md) - [Haven vs szn](https://www.anchorterminal.com/compare/haven-vs-szn.md) - [Hermes Agent vs szn](https://www.anchorterminal.com/compare/hermes-agent-vs-szn.md) - [HireAlpha vs nanobot](https://www.anchorterminal.com/compare/hirealpha-vs-nanobot.md) - [HireAlpha vs szn](https://www.anchorterminal.com/compare/hirealpha-vs-szn.md) - [Instinct vs szn](https://www.anchorterminal.com/compare/instinct-vs-szn.md) - [IronClaw vs szn](https://www.anchorterminal.com/compare/ironclaw-vs-szn.md) - [Lindy vs szn](https://www.anchorterminal.com/compare/lindy-vs-szn.md) - [nanobot vs OpenInstinct](https://www.anchorterminal.com/compare/nanobot-vs-openinstinct.md) - [nanobot vs Orbits](https://www.anchorterminal.com/compare/nanobot-vs-orbits.md) - [nanobot vs Orchid](https://www.anchorterminal.com/compare/nanobot-vs-orchid-ai.md) - [nanobot vs Tab](https://www.anchorterminal.com/compare/nanobot-vs-tab-bot.md) - [nanobot vs Zapia](https://www.anchorterminal.com/compare/nanobot-vs-zapia.md) - [NanoClaw vs szn](https://www.anchorterminal.com/compare/nanoclaw-vs-szn.md) - [Dots vs szn](https://www.anchorterminal.com/compare/openai-dots-vs-szn.md) - [OpenClaw vs szn](https://www.anchorterminal.com/compare/openclaw-vs-szn.md) - [OpenInstinct vs szn](https://www.anchorterminal.com/compare/openinstinct-vs-szn.md) - [Orbits vs szn](https://www.anchorterminal.com/compare/orbits-vs-szn.md) - [Orchid vs szn](https://www.anchorterminal.com/compare/orchid-ai-vs-szn.md) - [PicoClaw vs szn](https://www.anchorterminal.com/compare/picoclaw-vs-szn.md) - [Poke vs szn](https://www.anchorterminal.com/compare/poke-vs-szn.md) - [QwenPaw vs szn](https://www.anchorterminal.com/compare/qwenpaw-vs-szn.md) - [szn vs Tab](https://www.anchorterminal.com/compare/szn-vs-tab-bot.md) - [szn vs Tomo](https://www.anchorterminal.com/compare/szn-vs-tomo.md) - [szn vs Town](https://www.anchorterminal.com/compare/szn-vs-town.md) - [szn vs Zapia](https://www.anchorterminal.com/compare/szn-vs-zapia.md) - [szn vs ZeroClaw](https://www.anchorterminal.com/compare/szn-vs-zeroclaw.md) - [szn vs Zo Computer](https://www.anchorterminal.com/compare/szn-vs-zo-computer.md) - [AstrBot vs nanobot](https://www.anchorterminal.com/compare/astrbot-vs-nanobot.md) - [Boski vs nanobot](https://www.anchorterminal.com/compare/boski-vs-nanobot.md) - [Caddy vs nanobot](https://www.anchorterminal.com/compare/caddy-app-vs-nanobot.md) - [CowAgent vs nanobot](https://www.anchorterminal.com/compare/cowagent-vs-nanobot.md) - [folk vs nanobot](https://www.anchorterminal.com/compare/folk-nozomio-vs-nanobot.md) - [GAIA vs nanobot](https://www.anchorterminal.com/compare/gaia-vs-nanobot.md) - [Gemini Spark vs nanobot](https://www.anchorterminal.com/compare/gemini-spark-vs-nanobot.md) - [Grok Bot vs nanobot](https://www.anchorterminal.com/compare/grok-bot-vs-nanobot.md) - [Haven vs nanobot](https://www.anchorterminal.com/compare/haven-vs-nanobot.md) - [Hermes Agent vs nanobot](https://www.anchorterminal.com/compare/hermes-agent-vs-nanobot.md) - [Instinct vs nanobot](https://www.anchorterminal.com/compare/instinct-vs-nanobot.md) - [IronClaw vs nanobot](https://www.anchorterminal.com/compare/ironclaw-vs-nanobot.md) - [Leon vs nanobot](https://www.anchorterminal.com/compare/leon-vs-nanobot.md) - [Lindy vs nanobot](https://www.anchorterminal.com/compare/lindy-vs-nanobot.md) - [nanobot vs NanoClaw](https://www.anchorterminal.com/compare/nanobot-vs-nanoclaw.md) - [nanobot vs Dots](https://www.anchorterminal.com/compare/nanobot-vs-openai-dots.md) - [nanobot vs OpenClaw](https://www.anchorterminal.com/compare/nanobot-vs-openclaw.md) - [nanobot vs PicoClaw](https://www.anchorterminal.com/compare/nanobot-vs-picoclaw.md) - [nanobot vs Poke](https://www.anchorterminal.com/compare/nanobot-vs-poke.md) - [nanobot vs QwenPaw](https://www.anchorterminal.com/compare/nanobot-vs-qwenpaw.md) - [nanobot vs Town](https://www.anchorterminal.com/compare/nanobot-vs-town.md) - [nanobot vs ZeroClaw](https://www.anchorterminal.com/compare/nanobot-vs-zeroclaw.md) - [nanobot vs Zo Computer](https://www.anchorterminal.com/compare/nanobot-vs-zo-computer.md) - [Gemini Spark vs szn](https://www.anchorterminal.com/compare/gemini-spark-vs-szn.md) - [Leon vs szn](https://www.anchorterminal.com/compare/leon-vs-szn.md) - [nanobot vs Natura tinyNature](https://www.anchorterminal.com/compare/nanobot-vs-natura.md) - [nanobot vs Pally](https://www.anchorterminal.com/compare/nanobot-vs-pally.md) - [nanobot vs Tomo](https://www.anchorterminal.com/compare/nanobot-vs-tomo.md) - [nanobot vs Wajo (Fo)](https://www.anchorterminal.com/compare/nanobot-vs-wajo.md) - [Natura tinyNature vs szn](https://www.anchorterminal.com/compare/natura-vs-szn.md) - [Pally vs szn](https://www.anchorterminal.com/compare/pally-vs-szn.md) - [szn vs Wajo (Fo)](https://www.anchorterminal.com/compare/szn-vs-wajo.md) - [nanobot vs Talorys](https://www.anchorterminal.com/compare/nanobot-vs-talorys.md) - [szn vs Talorys](https://www.anchorterminal.com/compare/szn-vs-talorys.md) ## Disclosure - szn 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.