21st Agents SDK vs Firecrawl MCP: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for 21st Agents SDK and Firecrawl MCP side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, 21st Agents SDK leads on lower entry price. We do not name an overall winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
21st Agents SDK
The fastest way to integrate AI agents with built-in UI and essential features into your applications.
Best for you if:
- • You want accelerates AI agent integration
Firecrawl MCP
Turn websites into LLM-ready data for AI applications with clean web scraping and crawling.
Best for you if:
- • You want provides clean, LLM-ready data for AI applications
| At a Glance | 21st Agents SDK | Firecrawl MCP |
|---|---|---|
Starts at | Free plan, paid from $6/mo, billed monthly Builder plan | Free plan, paid from $16/mo, billed monthly Hobby plan |
Category | AI Agents Developer Tools | Developer Tools Data & Databases |
Rating | n/a | n/a |
Free plan | Yes | Yes |
Watch out for | These $ are billed yearly. The page says save 25% vs quarterly. | Overage fees for extra credits on Hobby and Standard plans |
Choose 21st Agents SDK or Firecrawl MCP?
Choose 21st Agents SDK if
- You want accelerates AI agent integration
- You want provides essential features out-of-the-box
- Budget matters ($6/mo, billed monthly vs $16/mo, billed monthly)
- You work in AI agents, not developer tools
Choose Firecrawl MCP if
- You want provides clean, LLM-ready data for AI applications
- You want open-source with a strong community and transparent development
- You work in developer tools, not AI agents
In-Depth Analysis
21st Agents SDK
The fastest way to integrate AI agents with built-in UI and essential features into your applications.
21st.dev publishes yearly list prices: Builder $6/month, Builder + AI $15/month, Team $7.50/seat/month (2–50 seats).
Watch out
These $ are billed yearly. The page says save 25% vs quarterly.
Strengths
- Pro: Accelerates AI agent integration
- Pro: Provides essential features out-of-the-box
- Pro: Compatible with popular web technologies
- Pro: Handles complex aspects like memory and tool use
Key features
Firecrawl MCP
Turn websites into LLM-ready data for AI applications with clean web scraping and crawling.
Firecrawl offers a generous Free Plan for initial testing, but the Hobby tier at $16/month for only 3,000 credits feels a bit steep compared to the significant jump in value with the Standard tier at $83/month for 100,000 credits.
Watch out
Overage fees for extra credits on Hobby and Standard plans
Strengths
- Pro: Provides clean, LLM-ready data for AI applications
- Pro: Open-source with a strong community and transparent development
- Pro: High reliability covering 96% of the web, including JS-heavy pages
- Pro: Blazingly fast with P95 latency of 3.4s
- Pro: Handles complex scraping challenges like proxies and rate limits automatically
Weaknesses
- Con: Credits do not roll over to the next month on most plans
- Con: Pay-per-use plan is not offered, only monthly subscriptions
Key features
Plans and prices: 21st Agents SDK vs Firecrawl MCP
| Tool | Plans and prices | Source |
|---|---|---|
| 21st Agents SDK |
| 21st.dev/pricing read Oct 23, 2026 |
| Firecrawl MCP |
| firecrawl.dev/pricing read Oct 18, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on 21st Agents SDK pricing and Firecrawl MCP pricing.
Key Takeaways
21st Agents SDK
- Lower entry price: $6/mo, billed monthly vs $16/mo, billed monthly
Firecrawl MCP
- Choose if you want turn websites into LLM-ready data for AI applications with clean web scraping and crawling
What the data shows
On the data below, 21st Agents SDK leads on lower entry price. We do not name an overall winner for this pair.
- 21st Agents SDK has the lower entry price: $6/mo, billed monthly (Builder) against $16/mo, billed monthly (Hobby) for Firecrawl MCP.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do 21st Agents SDK and Firecrawl MCP compare in 2026?
On the data below, 21st Agents SDK leads on lower entry price. We do not name an overall winner for this pair. 21st Agents SDK has the lower entry price: $6/mo, billed monthly (Builder) against $16/mo, billed monthly (Hobby) for Firecrawl MCP. Both have a free plan.
What are 21st Agents SDK and Firecrawl MCP used for?
21st Agents SDK: The fastest way to integrate AI agents with built-in UI and essential features into your applications. Firecrawl MCP: Turn websites into LLM-ready data for AI applications with clean web scraping and crawling.
What does 21st Agents SDK cost vs Firecrawl MCP?
21st Agents SDK's cheapest paid plan is Builder at $6/mo, billed monthly; it also has a free plan. Firecrawl MCP's cheapest paid plan is Hobby at $16/mo, billed monthly; it also has a free plan. Prices read on the vendors' pricing pages, latest check Oct 23, 2026.
What's the main difference between 21st Agents SDK and Firecrawl MCP?
21st Agents SDK's main strength: accelerates AI agent integration. Firecrawl MCP's main strength: provides clean, LLM-ready data for AI applications.