Steel vs Checkly: Which is Better in 2026?
Choosing between Steel and Checkly comes down to understanding what each tool does best. This comparison breaks down the key differences so you can make an informed decision based on your specific needs, not marketing claims.
Short on time? Here's the quick answer
We've tested both tools. Here's who should pick what:
Steel
Open-source headless browser API for controlling cloud-based browser fleets.
Best for you if:
- • Open-source headless browser API for cloud-based browser automation.
- • Enables building AI agents, web scrapers, and RPA with robust browser control.
Checkly
API and synthetic monitoring for developers
Best for you if:
- • Checkly is a synthetic monitoring platform for testing APIs and web applications from global locations
- • It runs automated checks, validates uptime, and alerts teams before users experience issues
| At a Glance |  Steel |  Checkly |
|---|---|---|
Starts at | FreeFree tier available | FreeFree tier available |
Best For | Developer Tools | Developer Tools |
Rating | - | 4.5/5 |
Free plan | Yes | Yes |
Choose Steel or Checkly?
Choose Steel if
Open-source headless browser API for controlling cloud-based browser fleets.
- Simplifies complex browser automation tasks
- High performance with fast session start times
- Built-in features like CAPTCHA solving and bot detection avoidance
Choose Checkly if
API and synthetic monitoring for developers
- Good synthetic monitoring
- Playwright based
- API monitoring
| Feature | Steel | Checkly |
|---|---|---|
| Pricing Model | Freemium | Freemium |
| User Rating | No ratings yet | ★4.5/5 34 reviews |
| Categories | Developer ToolsAutomation | Developer ToolsTesting & QA |
In-Depth Analysis
Steel
Open-source headless browser API for controlling cloud-based browser fleets.
Strengths
- +Simplifies complex browser automation tasks
- +High performance with fast session start times
- +Built-in features like CAPTCHA solving and bot detection avoidance
- +Flexible session duration for various use cases
- +Ability to maintain and reuse browser state
Weaknesses
- -Requires development knowledge to implement
- -Reliance on cloud infrastructure for browser fleets
- -Specific pricing details are not explicitly listed on the main page, only a 'Start For Free' button
Key features
Checkly
API and synthetic monitoring for developers
Strengths
- +Good synthetic monitoring
- +Playwright based
- +API monitoring
- +Good DX
- +Fair pricing
Weaknesses
- -Per-check pricing
- -Learning curve
- -Limited regions free
- -Some features complex
- -Smaller than Datadog
Key features
Pricing: Steel vs Checkly
| Plan | Steel | Checkly |
|---|---|---|
| Tier 1 | Free Hobby | Free Free |
| Tier 2 | $29 Starter | $40 month Team |
| Tier 3 | $99 Developers | N/A |
| Tier 4 | $499 Startups | N/A |
| Tier 5 | Custom Pricing Enterprise | N/A |
Pricing verified from each vendor's public pricing page. Compare in detail on Steel pricing and Checkly pricing.
Who Should Use What?
On a budget?
Both are freemium. Compare plans on their websites.
Go with: Steel
Want the highest-rated option?
Checkly is rated 4.5/5. Steel has no ratings yet.
Go with: Checkly
Value user reviews?
Steel: no ratings yet. Checkly: 34 reviews (4.5/5).
Go with: Checkly
3 Questions to Help You Decide
What's your budget?
Both are freemium. Pricing won't help you decide here.
What's your use case?
Both are developer tools tools. Compare their specific features to decide.
How important are ratings?
Checkly is rated 4.5/5; Steel has no ratings yet.
Key Takeaways
Checkly
- Free tier available
- Our pick for this comparison
Steel
- Choose if you want open-source headless browser API for controlling cloud-based browser fleets
The Bottom Line
Checkly is our pick.
Frequently Asked Questions
Is Steel or Checkly better?
Checkly is rated in our evaluation. Both are freemium.
What are Steel and Checkly used for?
Steel: Open-source headless browser API for controlling cloud-based browser fleets.. Checkly: API and synthetic monitoring for developers.
What does Steel cost vs Checkly?
Steel is freemium (free tier + paid plans). Checkly is freemium (free tier + paid plans). Visit their websites for detailed pricing.