Browserless vs Steel
Steel scores higher on the AgentReady, 90/100 against 88/100. They differ on 3 of the 41 signals. Which ones decides whether an agent can adopt them without a person watching.
What each one is
Browserless. Browserless is a platform providing managed headless browsers at scale, serving as the web layer that AI agents run on.
Steel. Steel is an open source browser API that lets you control fleets of browsers in the cloud.
Where Browserless is ahead
Browserless passes authentication documented, and Steel does not. That is understand, whether an agent can read the docs and work out how the API behaves before calling it.
Where Steel is ahead
Steel passes no mandatory sales call and official python sdk, and Browserless does not. That is adopt, whether an agent can get a key and make its first successful call without a human in the loop.
What neither does
Both fail limits / constraints documented, retry behavior documented, idempotency support, rate-limit behavior predictable. If your agent needs any of those, you will be building it yourself either way.
Score, pillar by pillar
The AgentReady splits into four pillars, scored separately, because a product can be easy to find and still impossible to adopt.
Understand. Browserless leads 92 to 85. Browserless misses limits / constraints documented; Steel misses authentication documented, limits / constraints documented.
Adopt is whether an agent can get a key and make its first successful call without a human in the loop. Steel leads 100 to 80. Browserless misses no mandatory sales call, official python sdk; Steel misses nothing.
Operate. Browserless leads 78 to 76. Browserless misses retry behavior documented, idempotency support, rate-limit behavior predictable; Steel misses retry behavior documented, idempotency support, rate-limit behavior predictable.
Pricing
Browserless does not publish a machine-readable starting price and has a free tier. Steel does not publish one and has a free tier.
| Browserless plans | Steel plans |
|---|---|
| Free $0/mo | - |
Signal by signal
| Signal | Browserless | Steel |
|---|---|---|
| AgentReady | 88 | 90 |
| Discovery | 100 | 100 |
| Understanding | 92 | 85 |
| Adoption | 80 | 100 |
| Operability | 78 | 76 |
| Public API | Yes | Yes |
| MCP server | Yes | Yes |
| OpenAPI spec | Yes | Yes |
| CLI | Yes | Yes |
| llms.txt | Yes | Yes |
| Self-serve signup | Yes | Yes |
| Free tier | Yes | Yes |
Which to pick
Steel clears more of the signals an agent needs, so it is the safer default for unattended use. Full profiles: Browserless and Steel. Alternatives to each: Browserless, Steel.
An agent can fetch this as data: POST /v1/compare {"slugs": ["browserless", "steel"]}