# Leon vs Tab > Leon scores 41 (E) to Tab's 10.7 (F) for assistants that remember you. Prices, MCP, x402, uptime and agent notes side by side. - Canonical: https://www.anchorterminal.com/compare/leon-vs-tab-bot - Markdown: https://www.anchorterminal.com/compare/leon-vs-tab-bot.md (~3,200 tokens) - Slim: https://www.anchorterminal.com/compare/leon-vs-tab-bot.min.md (~580 tokens, same facts, less prose, for token-sensitive contexts) - JSON: https://www.anchorterminal.com/compare/leon-vs-tab-bot.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 Leon scores 41 (E) on agent readiness against Tab's 10.7 (F), and leads in 6 of 7 scored categories. Tab leads on maintenance & community. Both do assistants that remember you. - Leon: grade E, 41/100, rank #938 of 1010. Markdown https://www.anchorterminal.com/tools/leon.md · JSON https://www.anchorterminal.com/api/v1/tools/leon.json - Tab: grade F, 10.7/100, rank #1003 of 1010. Markdown https://www.anchorterminal.com/tools/tab-bot.md · JSON https://www.anchorterminal.com/api/v1/tools/tab-bot.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 ### Leon (E) Good for: A developer who wants a self-hosted assistant with memory, computer use and a local model, and who will read the source. Ahead on: - Reliability, 32 against 5 - Schema & documentation, 33 against 0 - Agent ergonomics, 57 against 0 - Security & auth, 34 against 4 - Payments & pricing, 60 against 0 - Transparency & trust, 60 against 45 Also in its favour: - No key needed to call it - Free to start without a card - Open source Watch for: No tagged release of the core since 1.0.0-beta.8 on 1 May 2023. The 2.0 Developer Preview is installed by cloning the develop branch ### Tab (F) Good for: A person who wants a texting assistant that browses, calls and buys with tight checkout controls. Ahead on: - Maintenance & community, 58 against 15 Watch for: Private beta behind a waitlist. ## Score by category | Category | Weight | Leon | Tab | Edge | | --- | --- | --- | --- | --- | | Reliability | 16% (20 this run) | 32 | 5 | Leon +27 | | Performance | 10%, pending | pending | pending | not scored in this run | | Schema & documentation | 13% (16.2 this run) | 33 | 0 | Leon +33 | | Agent ergonomics | 13% (16.2 this run) | 57 | 0 | Leon +57 | | Security & auth | 14% (17.5 this run) | 34 | 4 | Leon +30 | | Payments & pricing | 10% (12.5 this run) | 60 | 0 | Leon +60 | | Task success | 10%, pending | pending | pending | not scored in this run | | Maintenance & community | 7% (8.8 this run) | 15 | 58 | Tab +43 | | Transparency & trust | 7% (8.8 this run) | 60 | 45 | Leon +15 | | Negative events | ≤15 | 0 | 0 | | | **Total** | | **41 · E** | **10.7 · F** | | ## Facts side by side | Fact | Leon | Tab | | --- | --- | --- | | Kind | Agent harness | Platform | | Vendor | Louis Grenard (Leon AI) | Terrasoft, Inc. | | Hosted endpoint | no (local only) | no (local only) | | Transports | | | | Auth | None | OAuth or key | | Pricing | Free | Paid | | x402 | no | no | | Licence | MIT | Closed service under Tab's Terms of Use (Terrasoft, Inc., effective 2 September 2026). | | Read-only variant documented | no | no | | llms.txt | no | no | | Last release | 2023-05-01 | none | | Terms last updated | 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 | 18k stars | none | ## Verdicts **Leon.** Connected-app credentials are encrypted per profile and the Gmail connection is read-only. The 2.0 Developer Preview has no tagged release, runs tools and a 30-minute proactive pulse with no approval step, listens on every network interface with client authentication off, and sends telemetry by default. **Tab.** Tab is a private-beta texting assistant with a detailed security page on credential isolation and checkout binding, and a public updates page. No outside agent can call it, no price is published, and its privacy policy says nothing on training with user content. ## Before you call either ### Leon 1. Clone the develop branch for 2.0. `npm install --global @leon-ai/cli` and docs.getleon.ai install and describe the legacy 1.0 betas 2. Set `client_interface.auth.enabled: true` and a `LEON_PROFILE_TOKEN` before the machine joins a shared network. The server binds 0.0.0.0 3. Set `telemetry_enabled: false` and `runtime.pulse_enabled: false` in the profile `config.yml` for an unattended or private run 4. Use `availability.tools.allowed` to limit tools. Shell, file writes, computer use and browser control are otherwise available to the agent with no approval prompt 5. Back up `LEON_CONNECTIONS_ENCRYPTION_KEY` from the profile `.env`. Without it the stored connections cannot be read ### Tab 1. Don't plan to call Tab from another agent. It answers only the owner's Messages or WhatsApp thread. 2. Tell the owner that access needs a waitlist place and no price is published. ## Questions ### Which is better for AI agents, Leon or Tab? Leon scores 41 (E) on agent readiness against Tab's 10.7 (F), and leads in 6 of 7 scored categories. Tab leads on maintenance & community. ### Are Leon and Tab open source? Leon is open source (MIT). No open-source release is listed for Tab. ## For agents - This comparison as JSON: https://www.anchorterminal.com/compare/leon-vs-tab-bot.json, and with the fewest tokens: https://www.anchorterminal.com/compare/leon-vs-tab-bot.min.md - Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {"a": "leon", "b": "tab-bot"}`. From a terminal: `anchor compare leon tab-bot` - Each listing in full: https://www.anchorterminal.com/api/v1/tools/leon.json and https://www.anchorterminal.com/api/v1/tools/tab-bot.json ## Other comparisons with Leon or Tab - [asaply vs Tab](https://www.anchorterminal.com/compare/asaply-vs-tab-bot.md) - [Asmi vs Tab](https://www.anchorterminal.com/compare/asmi-vs-tab-bot.md) - [AstrBot vs Tab](https://www.anchorterminal.com/compare/astrbot-vs-tab-bot.md) - [Boba vs Tab](https://www.anchorterminal.com/compare/boba-vs-tab-bot.md) - [Boski vs Tab](https://www.anchorterminal.com/compare/boski-vs-tab-bot.md) - [Brea vs Tab](https://www.anchorterminal.com/compare/brea-vs-tab-bot.md) - [Caddy vs Tab](https://www.anchorterminal.com/compare/caddy-app-vs-tab-bot.md) - [CowAgent vs Tab](https://www.anchorterminal.com/compare/cowagent-vs-tab-bot.md) - [Del vs Tab](https://www.anchorterminal.com/compare/del-vs-tab-bot.md) - [folk vs Tab](https://www.anchorterminal.com/compare/folk-nozomio-vs-tab-bot.md) - [GAIA vs Tab](https://www.anchorterminal.com/compare/gaia-vs-tab-bot.md) - [Grok Bot vs Tab](https://www.anchorterminal.com/compare/grok-bot-vs-tab-bot.md) - [Haven vs Tab](https://www.anchorterminal.com/compare/haven-vs-tab-bot.md) - [Hermes Agent vs Tab](https://www.anchorterminal.com/compare/hermes-agent-vs-tab-bot.md) - [HireAlpha vs Tab](https://www.anchorterminal.com/compare/hirealpha-vs-tab-bot.md) - [Instinct vs Tab](https://www.anchorterminal.com/compare/instinct-vs-tab-bot.md) - [IronClaw vs Tab](https://www.anchorterminal.com/compare/ironclaw-vs-tab-bot.md) - [Lindy vs Tab](https://www.anchorterminal.com/compare/lindy-vs-tab-bot.md) - [nanobot vs Tab](https://www.anchorterminal.com/compare/nanobot-vs-tab-bot.md) - [NanoClaw vs Tab](https://www.anchorterminal.com/compare/nanoclaw-vs-tab-bot.md) - [Natura tinyNature vs Tab](https://www.anchorterminal.com/compare/natura-vs-tab-bot.md) - [Dots vs Tab](https://www.anchorterminal.com/compare/openai-dots-vs-tab-bot.md) - [OpenClaw vs Tab](https://www.anchorterminal.com/compare/openclaw-vs-tab-bot.md) - [OpenInstinct vs Tab](https://www.anchorterminal.com/compare/openinstinct-vs-tab-bot.md) - [Orbits vs Tab](https://www.anchorterminal.com/compare/orbits-vs-tab-bot.md) - [Orchid vs Tab](https://www.anchorterminal.com/compare/orchid-ai-vs-tab-bot.md) - [Pally vs Tab](https://www.anchorterminal.com/compare/pally-vs-tab-bot.md) - [PicoClaw vs Tab](https://www.anchorterminal.com/compare/picoclaw-vs-tab-bot.md) - [Poke vs Tab](https://www.anchorterminal.com/compare/poke-vs-tab-bot.md) - [QwenPaw vs Tab](https://www.anchorterminal.com/compare/qwenpaw-vs-tab-bot.md) - [szn vs Tab](https://www.anchorterminal.com/compare/szn-vs-tab-bot.md) - [Tab vs Tomo](https://www.anchorterminal.com/compare/tab-bot-vs-tomo.md) - [Tab vs Town](https://www.anchorterminal.com/compare/tab-bot-vs-town.md) - [Tab vs Zapia](https://www.anchorterminal.com/compare/tab-bot-vs-zapia.md) - [Tab vs ZeroClaw](https://www.anchorterminal.com/compare/tab-bot-vs-zeroclaw.md) - [Tab vs Zo Computer](https://www.anchorterminal.com/compare/tab-bot-vs-zo-computer.md) - [AstrBot vs Leon](https://www.anchorterminal.com/compare/astrbot-vs-leon.md) - [Boski vs Leon](https://www.anchorterminal.com/compare/boski-vs-leon.md) - [Caddy vs Leon](https://www.anchorterminal.com/compare/caddy-app-vs-leon.md) - [CowAgent vs Leon](https://www.anchorterminal.com/compare/cowagent-vs-leon.md) - [folk vs Leon](https://www.anchorterminal.com/compare/folk-nozomio-vs-leon.md) - [GAIA vs Leon](https://www.anchorterminal.com/compare/gaia-vs-leon.md) - [Gemini Spark vs Leon](https://www.anchorterminal.com/compare/gemini-spark-vs-leon.md) - [Grok Bot vs Leon](https://www.anchorterminal.com/compare/grok-bot-vs-leon.md) - [Haven vs Leon](https://www.anchorterminal.com/compare/haven-vs-leon.md) - [Hermes Agent vs Leon](https://www.anchorterminal.com/compare/hermes-agent-vs-leon.md) - [Instinct vs Leon](https://www.anchorterminal.com/compare/instinct-vs-leon.md) - [IronClaw vs Leon](https://www.anchorterminal.com/compare/ironclaw-vs-leon.md) - [Leon vs Lindy](https://www.anchorterminal.com/compare/leon-vs-lindy.md) - [Leon vs nanobot](https://www.anchorterminal.com/compare/leon-vs-nanobot.md) - [Leon vs NanoClaw](https://www.anchorterminal.com/compare/leon-vs-nanoclaw.md) - [Leon vs Dots](https://www.anchorterminal.com/compare/leon-vs-openai-dots.md) - [Leon vs OpenClaw](https://www.anchorterminal.com/compare/leon-vs-openclaw.md) - [Leon vs PicoClaw](https://www.anchorterminal.com/compare/leon-vs-picoclaw.md) - [Leon vs Poke](https://www.anchorterminal.com/compare/leon-vs-poke.md) - [Leon vs QwenPaw](https://www.anchorterminal.com/compare/leon-vs-qwenpaw.md) - [Leon vs Town](https://www.anchorterminal.com/compare/leon-vs-town.md) - [Leon vs ZeroClaw](https://www.anchorterminal.com/compare/leon-vs-zeroclaw.md) - [Leon vs Zo Computer](https://www.anchorterminal.com/compare/leon-vs-zo-computer.md) - [asaply vs Leon](https://www.anchorterminal.com/compare/asaply-vs-leon.md) - [Brea vs Leon](https://www.anchorterminal.com/compare/brea-vs-leon.md) - [Del vs Leon](https://www.anchorterminal.com/compare/del-vs-leon.md) - [HireAlpha vs Leon](https://www.anchorterminal.com/compare/hirealpha-vs-leon.md) - [Leon vs Natura tinyNature](https://www.anchorterminal.com/compare/leon-vs-natura.md) - [Leon vs Orbits](https://www.anchorterminal.com/compare/leon-vs-orbits.md) - [Leon vs Orchid](https://www.anchorterminal.com/compare/leon-vs-orchid-ai.md) - [Leon vs Pally](https://www.anchorterminal.com/compare/leon-vs-pally.md) - [Leon vs szn](https://www.anchorterminal.com/compare/leon-vs-szn.md) - [Leon vs Tomo](https://www.anchorterminal.com/compare/leon-vs-tomo.md) - [Leon vs Wajo (Fo)](https://www.anchorterminal.com/compare/leon-vs-wajo.md) - [Leon vs Zapia](https://www.anchorterminal.com/compare/leon-vs-zapia.md) - [Asmi vs Leon](https://www.anchorterminal.com/compare/asmi-vs-leon.md) - [Boba vs Leon](https://www.anchorterminal.com/compare/boba-vs-leon.md) - [Gemini Spark vs Tab](https://www.anchorterminal.com/compare/gemini-spark-vs-tab-bot.md) - [Leon vs Talorys](https://www.anchorterminal.com/compare/leon-vs-talorys.md) - [Tab vs Talorys](https://www.anchorterminal.com/compare/tab-bot-vs-talorys.md) - [Tab vs Wajo (Fo)](https://www.anchorterminal.com/compare/tab-bot-vs-wajo.md) - [Leon vs OpenInstinct](https://www.anchorterminal.com/compare/leon-vs-openinstinct.md) ## Disclosure - Tab 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.