# AstrBot vs szn > AstrBot scores 58.8 (C) 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/astrbot-vs-szn - Markdown: https://www.anchorterminal.com/compare/astrbot-vs-szn.md (~3,300 tokens) - Slim: https://www.anchorterminal.com/compare/astrbot-vs-szn.min.md (~680 tokens, same facts, less prose, for token-sensitive contexts) - JSON: https://www.anchorterminal.com/compare/astrbot-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 AstrBot scores 58.8 (C) on agent readiness against szn's 7.3 (F), and leads in every scored category. Both do assistants reached by message. - AstrBot: grade C, 58.8/100, rank #585 of 1010. Markdown https://www.anchorterminal.com/tools/astrbot.md · JSON https://www.anchorterminal.com/api/v1/tools/astrbot.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 ### AstrBot (C) Good for: Someone who wants one self-run bot answering on QQ, Telegram, Slack, Discord, Lark or WeCom, in private or group chats, with scheduled tasks, a knowledge base and plugins. Ahead on: - Reliability, 81 against 5 - Schema & documentation, 62 against 10 - Agent ergonomics, 54 against 0 - Security & auth, 44 against 0 - Payments & pricing, 60 against 20 - Maintenance & community, 81 against 2 - Transparency & trust, 40 against 23 Also in its favour: - Free to start without a card - Open source Watch for: No approval step before any tool call. The agent sends messages, creates scheduled tasks and calls MCP tools without asking ### szn (F) Good for: A person who wants calls, emails and bookings done for them and has an access code. Watch for: Early access by access code only. ## Score by category | Category | Weight | AstrBot | szn | Edge | | --- | --- | --- | --- | --- | | Reliability | 16% (20 this run) | 81 | 5 | AstrBot +76 | | Performance | 10%, pending | pending | pending | not scored in this run | | Schema & documentation | 13% (16.2 this run) | 62 | 10 | AstrBot +52 | | Agent ergonomics | 13% (16.2 this run) | 54 | 0 | AstrBot +54 | | Security & auth | 14% (17.5 this run) | 44 | 0 | AstrBot +44 | | Payments & pricing | 10% (12.5 this run) | 60 | 20 | AstrBot +40 | | Task success | 10%, pending | pending | pending | not scored in this run | | Maintenance & community | 7% (8.8 this run) | 81 | 2 | AstrBot +79 | | Transparency & trust | 7% (8.8 this run) | 40 | 23 | AstrBot +17 | | Negative events | ≤15 | -2 | 0 | | | **Total** | | **58.8 · C** | **7.3 · F** | | ## Facts side by side | Fact | AstrBot | szn | | --- | --- | --- | | Kind | Agent harness | Platform | | Vendor | AstrBotDevs | Nomadic Futures | | Hosted endpoint | no (local only) | no (local only) | | Transports | | | | Auth | OAuth or key | OAuth or key | | Pricing | Free | Free | | x402 | no | no | | Licence | AGPL-3.0-or-later | 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 | no | yes | | Last release | 2026-09-27 | none | | Terms last updated | 2026-01-12 | no document linked | | Privacy policy last updated | no document linked | | | Customer content may train models | not found in the text | | | Terms restrict automated access | not found in the text | | | Terms restrict benchmarking | not found in the text | | | Terms or service can change without notice | not found in the text | | | Arbitration or class-action waiver | not found in the text | | | Popularity | 42k stars | none | ## Verdicts **AstrBot.** Fourteen official messaging adapters, scheduled tasks and scoped API keys come in one AGPL-3.0 program with releases most weeks. No tool call asks for approval, no mail, calendar or long-term memory connector is built in, and usage statistics, including the machine's hostname, are sent by default. **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 ### AstrBot 1. Set `ASTRBOT_DISABLE_METRICS=1` before the first start. Statistics, including the hostname, are sent to tickstats.soulter.top by default 2. Set `dashboard.host` to 127.0.0.1 in `data/cmd_config.json`, or the `DASHBOARD_HOST` variable, unless remote access is intended. The default is 0.0.0.0 3. Create an `abk_` key in Settings, OpenAPI with only the scopes needed, and send it as `Authorization: Bearer` or `X-API-Key` 4. Include `username` in every `POST /api/v1/chat` body. Without the `chat:admin` scope an administrator ID is rejected 5. Check Extensions, Future Tasks after asking for a schedule. One-off tasks are deleted after their run even when the run fails ### 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, AstrBot or szn? AstrBot scores 58.8 (C) on agent readiness against szn's 7.3 (F), and leads in every scored category. ### Are AstrBot and szn open source? AstrBot is open source (AGPL-3.0-or-later). No open-source release is listed for szn. ## For agents - This comparison as JSON: https://www.anchorterminal.com/compare/astrbot-vs-szn.json, and with the fewest tokens: https://www.anchorterminal.com/compare/astrbot-vs-szn.min.md - Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {"a": "astrbot", "b": "szn"}`. From a terminal: `anchor compare astrbot szn` - Each listing in full: https://www.anchorterminal.com/api/v1/tools/astrbot.json and https://www.anchorterminal.com/api/v1/tools/szn.json ## Other comparisons with AstrBot or szn - [asaply vs AstrBot](https://www.anchorterminal.com/compare/asaply-vs-astrbot.md) - [asaply vs szn](https://www.anchorterminal.com/compare/asaply-vs-szn.md) - [Asmi vs AstrBot](https://www.anchorterminal.com/compare/asmi-vs-astrbot.md) - [Asmi vs szn](https://www.anchorterminal.com/compare/asmi-vs-szn.md) - [AstrBot vs Boba](https://www.anchorterminal.com/compare/astrbot-vs-boba.md) - [AstrBot vs Brea](https://www.anchorterminal.com/compare/astrbot-vs-brea.md) - [AstrBot vs Del](https://www.anchorterminal.com/compare/astrbot-vs-del.md) - [AstrBot vs HireAlpha](https://www.anchorterminal.com/compare/astrbot-vs-hirealpha.md) - [AstrBot vs Natura tinyNature](https://www.anchorterminal.com/compare/astrbot-vs-natura.md) - [AstrBot vs OpenInstinct](https://www.anchorterminal.com/compare/astrbot-vs-openinstinct.md) - [AstrBot vs Orbits](https://www.anchorterminal.com/compare/astrbot-vs-orbits.md) - [AstrBot vs Orchid](https://www.anchorterminal.com/compare/astrbot-vs-orchid-ai.md) - [AstrBot vs Pally](https://www.anchorterminal.com/compare/astrbot-vs-pally.md) - [AstrBot vs Tab](https://www.anchorterminal.com/compare/astrbot-vs-tab-bot.md) - [AstrBot vs Tomo](https://www.anchorterminal.com/compare/astrbot-vs-tomo.md) - [AstrBot vs Zapia](https://www.anchorterminal.com/compare/astrbot-vs-zapia.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 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 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 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 szn](https://www.anchorterminal.com/compare/nanobot-vs-szn.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 Boski](https://www.anchorterminal.com/compare/astrbot-vs-boski.md) - [AstrBot vs Caddy](https://www.anchorterminal.com/compare/astrbot-vs-caddy-app.md) - [AstrBot vs CowAgent](https://www.anchorterminal.com/compare/astrbot-vs-cowagent.md) - [AstrBot vs folk](https://www.anchorterminal.com/compare/astrbot-vs-folk-nozomio.md) - [AstrBot vs GAIA](https://www.anchorterminal.com/compare/astrbot-vs-gaia.md) - [AstrBot vs Gemini Spark](https://www.anchorterminal.com/compare/astrbot-vs-gemini-spark.md) - [AstrBot vs Grok Bot](https://www.anchorterminal.com/compare/astrbot-vs-grok-bot.md) - [AstrBot vs Haven](https://www.anchorterminal.com/compare/astrbot-vs-haven.md) - [AstrBot vs Hermes Agent](https://www.anchorterminal.com/compare/astrbot-vs-hermes-agent.md) - [AstrBot vs Instinct](https://www.anchorterminal.com/compare/astrbot-vs-instinct.md) - [AstrBot vs IronClaw](https://www.anchorterminal.com/compare/astrbot-vs-ironclaw.md) - [AstrBot vs Leon](https://www.anchorterminal.com/compare/astrbot-vs-leon.md) - [AstrBot vs Lindy](https://www.anchorterminal.com/compare/astrbot-vs-lindy.md) - [AstrBot vs nanobot](https://www.anchorterminal.com/compare/astrbot-vs-nanobot.md) - [AstrBot vs NanoClaw](https://www.anchorterminal.com/compare/astrbot-vs-nanoclaw.md) - [AstrBot vs Dots](https://www.anchorterminal.com/compare/astrbot-vs-openai-dots.md) - [AstrBot vs OpenClaw](https://www.anchorterminal.com/compare/astrbot-vs-openclaw.md) - [AstrBot vs PicoClaw](https://www.anchorterminal.com/compare/astrbot-vs-picoclaw.md) - [AstrBot vs Poke](https://www.anchorterminal.com/compare/astrbot-vs-poke.md) - [AstrBot vs QwenPaw](https://www.anchorterminal.com/compare/astrbot-vs-qwenpaw.md) - [AstrBot vs Town](https://www.anchorterminal.com/compare/astrbot-vs-town.md) - [AstrBot vs ZeroClaw](https://www.anchorterminal.com/compare/astrbot-vs-zeroclaw.md) - [AstrBot vs Zo Computer](https://www.anchorterminal.com/compare/astrbot-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) - [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) - [szn vs Talorys](https://www.anchorterminal.com/compare/szn-vs-talorys.md) - [AstrBot vs Talorys](https://www.anchorterminal.com/compare/astrbot-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.