# Browser Use vs TinyFish

> Browser Use scores 77.9 (BB) on agent readiness against TinyFish's 67.7 (B), and leads in 4 of 7 scored categories. Both do browser automation. Browser Use accepts x402. TinyFish doesn't. Category scores, facts, verdicts and agent notes side by side.

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- Updated: 2026-10-09

Browser Use scores 77.9 (BB) on agent readiness against TinyFish's 67.7 (B), and leads in 4 of 7 scored categories. Both do browser automation. Browser Use accepts x402. TinyFish doesn't.

- Browser Use: grade BB, 77.9/100, rank #17 of 842. Markdown https://www.anchorterminal.com/tools/browser-use.md · JSON https://www.anchorterminal.com/api/v1/tools/browser-use.json
- TinyFish: grade B, 67.7/100, rank #227 of 842. Markdown https://www.anchorterminal.com/tools/tinyfish.md · JSON https://www.anchorterminal.com/api/v1/tools/tinyfish.json

## Which one, for what

### Browser Use (BB)

Good for: An agent that wants to hand a whole browser task to a hosted agent and get a result back, or that needs a low-cost cloud browser over CDP, and for unattended agents that can pay by x402.

Ahead on:
- Reliability, 87 against 60
- Payments & pricing, 90 against 55
- Transparency & trust, 65 against 59

Also in its favour:
- Agent-ready, a grade of BB or better
- An agent can pay per call over x402, with no account
- Runs on your own machine
- Open source

Watch for: The privacy policy says inputs are used to train Browser Use's AI models, with no opt-out described outside Enterprise zero data retention

### TinyFish (B)

Good for: Agents that want one account for a goal-driven web agent, a raw CDP browser, and free search and fetch.

Watch for: The terms of 17 August 2026 allow Tiny Fish to train and improve its models on customer data. No opt-out was found in the reviewed pages


## Score by category

| Category | Weight | Browser Use | TinyFish | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 87 | 60 | Browser Use +27 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 85 | 85 | even |
| Agent ergonomics | 13% (16.2 this run) | 78 | 79 | TinyFish +1 |
| Security & auth | 14% (17.5 this run) | 59 | 57 | Browser Use +2 |
| Payments & pricing | 10% (12.5 this run) | 90 | 55 | Browser Use +35 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 77 | 80 | TinyFish +3 |
| Transparency & trust | 7% (8.8 this run) | 65 | 59 | Browser Use +6 |
| Negative events | ≤15 | 0 | 0 | |
| **Total** | | **77.9 · BB** | **67.7 · B** | |

## Facts side by side

| Fact | Browser Use | TinyFish |
| --- | --- | --- |
| Kind | HTTP API | HTTP API |
| Vendor | Browser Use | Tiny Fish, Inc. |
| Hosted endpoint | `https://api.browser-use.com/api/v4` | `https://agent.tinyfish.ai` |
| Transports | HTTP, Streamable HTTP, stdio | HTTP |
| Auth | API key | OAuth or key |
| Pricing | Pay per use | Freemium |
| x402 | yes | no |
| Licence | MIT for the open-source library and the SDK. Browser Use Cloud is a proprietary service under Browser Use's terms of service | Proprietary service under Tiny Fish's terms of service. The MCP proxy `@tiny-fish/mcp` and the cookbook are MIT. The SDK packages state no licence in npm or PyPI metadata |
| Tools exposed | 7 | none |
| Read-only variant documented | no | no |
| llms.txt | yes | yes |
| MCP registry | `com.browser-use/browser-use` | `ai.tinyfish.agent/web-agent` |
| Last release | 2026-10-07 | 2026-10-07 |
| Terms last updated | 2026-07-15 | 2026-08-17 |
| Privacy policy last updated | no date given | 2025-12-14 |
| Customer content may train models | yes | yes |
| Terms restrict automated access | yes | yes |
| Terms restrict benchmarking | yes | yes |
| Terms or service can change without notice | yes | not found in the text |
| Arbitration or class-action waiver | yes | yes |
| Popularity | 117k stars, 107k npm/wk, 2.1M PyPI/wk | 5.7k npm/wk, 6.5k PyPI/wk |

## Verdicts

**Browser Use.** The hosted cloud accepts x402 top-ups in USDC on Base with no account or API key, and publishes prices, rate limits and three OpenAPI documents. The privacy policy says inputs are used to train Browser Use's models, API keys have no documented scopes, and no prompt-injection guidance was found in the docs.

**TinyFish.** OpenAPI documents are published for five APIs, errors carry typed codes and request IDs, and Search and Fetch are free within daily allowances. The terms let Tiny Fish train its models on customer data, run creation takes no idempotency keys, and the status page shows an hour or more of downtime on several days for the Browser and Search APIs.

## Before you call either

### Browser Use

1. Send the key as `X-Browser-Use-API-Key` with no Bearer prefix. A Bearer header returns 401
2. Stop browsers with `PATCH /api/v4/browsers/{id}` and `{"action":"stop"}`. Closing CDP or the SDK client leaves the browser billing
3. Poll `GET /runs/{id}/status`, not the full run, and wait for the returned Retry-After on 429, which can be 300 seconds at the edge
4. Before resubmitting after a timeout, read the existing run's status. The server keeps running and may already have submitted a form
5. With a wallet and no key, call x402.api.browser-use.com on `/api/v2` or `/api/v3` routes. A task stops with INSUFFICIENT_CREDITS if credit runs out mid-run

### TinyFish

1. Check `result` as well as `status`. A run can be `COMPLETED` while the goal failed, with `result.status` set to `failure`
2. Don't retry `POST /v1/automation/run` blindly after a timeout. There are no idempotency keys, so list runs first to avoid duplicates
3. Use `/v1/automation/run-async` or `/run-sse` when a run may need cancelling. Runs started with the synchronous endpoint can't be cancelled
4. Allow 60 seconds for Browser session creation, connect Playwright to `cdp_url` (not `base_url`), and `DELETE` the session when done because billing is per minute
5. Never put passwords in `goal`, which is logged. Pass `use_vault: true` with `credential_item_ids`, or `use_profile: true` for saved login state

## Questions

### Which is better for AI agents, Browser Use or TinyFish?

Browser Use scores 77.9 (BB) on agent readiness against TinyFish's 67.7 (B), and leads in 4 of 7 scored categories.

### Do Browser Use and TinyFish need an API key?

Browser Use needs an API key. TinyFish takes an API key or an OAuth sign-in. An agent can also pay Browser Use per call over x402, with no account.

### Can an agent call Browser Use and TinyFish without installing anything?

Yes. Browser Use has a hosted endpoint at https://api.browser-use.com/api/v4 and TinyFish at https://agent.tinyfish.ai.

### Are Browser Use and TinyFish open source?

Browser Use is open source (MIT for the open-source library and the SDK. Browser Use Cloud is a proprietary service under Browser Use's terms of service). No open-source release is listed for TinyFish.


## For agents

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

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