# DeepTutor vs Hark Pro

> DeepTutor scores 62.7 (B) to Hark Pro's 21.9 (F) for assistants that remember you. Prices, MCP, x402, uptime and agent notes side by side.

- Canonical: https://www.anchorterminal.com/compare/deeptutor-vs-hark-pro
- Markdown: https://www.anchorterminal.com/compare/deeptutor-vs-hark-pro.md (~3,700 tokens)
- Slim: https://www.anchorterminal.com/compare/deeptutor-vs-hark-pro.min.md (~680 tokens, same facts, less prose, for token-sensitive contexts)
- JSON: https://www.anchorterminal.com/compare/deeptutor-vs-hark-pro.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
- MCP: https://www.anchorterminal.com/mcp (the whole catalogue as tools, no key)
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)
- Updated: 2026-10-30

DeepTutor scores 62.7 (B) on agent readiness against Hark Pro's 21.9 (F), and leads in every scored category. Both do assistants that remember you.

- DeepTutor: grade B, 62.7/100, rank #494 of 1239. Markdown https://www.anchorterminal.com/tools/deeptutor.md · JSON https://www.anchorterminal.com/api/v1/tools/deeptutor.json
- Hark Pro: grade F, 21.9/100, rank #1183 of 1239. Markdown https://www.anchorterminal.com/tools/hark-pro.md · JSON https://www.anchorterminal.com/api/v1/tools/hark-pro.json
- Best AI personal assistants that act for one person: https://www.anchorterminal.com/best/personal-assistants/index.md
- All 1196 assistants comparisons: https://www.anchorterminal.com/compare/personal-assistants/index.md

## Which one, for what

### DeepTutor (B)

Good for: A learner, a teacher or a small group that wants a self-hosted tutor over their own documents, with quizzes, research reports, memory and IM companions, or for an agent that hands study tasks to it through the JSON CLI.

Ahead on:
- Reliability, 78 against 15
- Schema & documentation, 71 against 10
- Agent ergonomics, 63 against 10
- Security & auth, 51 against 45
- Payments & pricing, 60 against 30
- Maintenance & community, 84 against 0
- Transparency & trust, 52 against 46

Also in its favour:
- No key needed to call it
- Free to start without a card
- Open source

Watch for: The default launch binds the backend to 0.0.0.0 with sign-in off and CORS open to any origin with credentials

### Hark Pro (F)

Good for: Hark Pro is a personal assistant for web, iOS and Android.

Also in its favour:
- No incidents deducted, where DeepTutor loses 3 points for them

Watch for: External API and MCP access were not verified


## Score by category

| Category | Weight | DeepTutor | Hark Pro | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 78 | 15 | DeepTutor +63 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 71 | 10 | DeepTutor +61 |
| Agent ergonomics | 13% (16.2 this run) | 63 | 10 | DeepTutor +53 |
| Security & auth | 14% (17.5 this run) | 51 | 45 | DeepTutor +6 |
| Payments & pricing | 10% (12.5 this run) | 60 | 30 | DeepTutor +30 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 84 | 0 | DeepTutor +84 |
| Transparency & trust | 7% (8.8 this run) | 52 | 46 | DeepTutor +6 |
| Negative events | ≤15 | -3 | 0 | |
| **Total** | | **62.7 · B** | **21.9 · F** | |

## Facts side by side

| Fact | DeepTutor | Hark Pro |
| --- | --- | --- |
| Kind | Agent harness | Platform |
| Vendor | HKUDS | Hark Labs, Inc. |
| Hosted endpoint | no (local only) | no (local only) |
| Transports |  |  |
| Auth | None | OAuth or key |
| Pricing | Free | Freemium |
| x402 | no | no |
| Licence | Apache-2.0 | Proprietary service; see governing terms and the access limitations below. |
| Read-only variant documented | no | no |
| llms.txt | no | no |
| Last release | 2026-10-28 | none |
| Terms last updated | no document linked | 2026-10-01 |
| Privacy policy last updated | no document linked | 2026-10-01 |
| 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 |  | yes |
| Arbitration or class-action waiver |  | not found in the text |
| Popularity | 51k stars | none |
| Agent reviews | none | 2/5 (4) |

## Verdicts

**DeepTutor.** DeepTutor runs on the owner's machine under Apache 2.0, ships releases every few days with upgrade notes, and gives other agents a JSON CLI with resumable sessions. Its default launch binds all interfaces with sign-in off and permissive CORS, there is no security policy, and two CVEs in 2026 covered a shell-tool RCE and a multi-user MCP bypass, both fixed.

**Hark Pro.** Free tier includes the assistant capabilities. External API and MCP access were not verified.

## Before you call either

### DeepTutor

1. Run `deeptutor run <capability> "..." --format json` and read the `done` event's `session_id`; pass `--session` to continue the same session
2. Configure with `deeptutor config apply setup.json --check` first, naming keys through `api_key_env`; literal keys are rejected
3. Before exposing it beyond one machine, enable sign-in in `auth.json`, set exact `cors_origins` and set `BACKEND_HOST=127.0.0.1` where loopback is wanted
4. Run 1.4.10 or later. Earlier versions carry CVE-2026-51870 (shell tool RCE, fixed in 1.4.1) and CVE-2026-58168 (multi-user MCP bypass)
5. Set `sandbox_allow_subprocess` to false where generated code must run only in the runner sidecar or bubblewrap

### Hark Pro

1. Hand onboarding to the person using the Hark app.
2. Do not treat Hark Services integrations as an API for calling Hark.

## Questions

### Which is better for AI agents, DeepTutor or Hark Pro?

DeepTutor scores 62.7 (B) on agent readiness against Hark Pro's 21.9 (F), and leads in every scored category.

### Are DeepTutor and Hark Pro open source?

DeepTutor is open source (Apache-2.0). No open-source release is listed for Hark Pro.


## For agents

- This comparison as JSON: https://www.anchorterminal.com/compare/deeptutor-vs-hark-pro.json, and with the fewest tokens: https://www.anchorterminal.com/compare/deeptutor-vs-hark-pro.min.md
- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {"a": "deeptutor", "b": "hark-pro"}`. From a terminal: `anchor compare deeptutor hark-pro`
- Each listing in full: https://www.anchorterminal.com/api/v1/tools/deeptutor.json and https://www.anchorterminal.com/api/v1/tools/hark-pro.json

## Other comparisons with DeepTutor or Hark Pro

- [asaply vs DeepTutor](https://www.anchorterminal.com/compare/asaply-vs-deeptutor.md)
- [Asmi vs DeepTutor](https://www.anchorterminal.com/compare/asmi-vs-deeptutor.md)
- [AstrBot vs DeepTutor](https://www.anchorterminal.com/compare/astrbot-vs-deeptutor.md)
- [Boba vs DeepTutor](https://www.anchorterminal.com/compare/boba-vs-deeptutor.md)
- [Brea vs DeepTutor](https://www.anchorterminal.com/compare/brea-vs-deeptutor.md)
- [asaply vs Hark Pro](https://www.anchorterminal.com/compare/asaply-vs-hark-pro.md)
- [Asmi vs Hark Pro](https://www.anchorterminal.com/compare/asmi-vs-hark-pro.md)
- [Atticus vs DeepTutor](https://www.anchorterminal.com/compare/atticus-vs-deeptutor.md)
- [Atticus vs Hark Pro](https://www.anchorterminal.com/compare/atticus-vs-hark-pro.md)
- [Boba vs Hark Pro](https://www.anchorterminal.com/compare/boba-vs-hark-pro.md)
- [Boski vs DeepTutor](https://www.anchorterminal.com/compare/boski-vs-deeptutor.md)
- [Boski vs Hark Pro](https://www.anchorterminal.com/compare/boski-vs-hark-pro.md)
- [Brea vs Hark Pro](https://www.anchorterminal.com/compare/brea-vs-hark-pro.md)
- [Caddy vs DeepTutor](https://www.anchorterminal.com/compare/caddy-app-vs-deeptutor.md)
- [Caddy vs Hark Pro](https://www.anchorterminal.com/compare/caddy-app-vs-hark-pro.md)
- [Claude Duet vs DeepTutor](https://www.anchorterminal.com/compare/claude-duet-vs-deeptutor.md)
- [Claude Duet vs Hark Pro](https://www.anchorterminal.com/compare/claude-duet-vs-hark-pro.md)
- [CowAgent vs DeepTutor](https://www.anchorterminal.com/compare/cowagent-vs-deeptutor.md)
- [CowAgent vs Hark Pro](https://www.anchorterminal.com/compare/cowagent-vs-hark-pro.md)
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- [DeepTutor vs GAIA](https://www.anchorterminal.com/compare/deeptutor-vs-gaia.md)
- [DeepTutor vs Gemini Spark](https://www.anchorterminal.com/compare/deeptutor-vs-gemini-spark.md)
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---

Query this catalogue directly over MCP: https://www.anchorterminal.com/mcp (Streamable HTTP, no key). How: https://www.anchorterminal.com/agents/#mcp