21st Agents SDK vs Solid.js vs Svelte vs Vue.js

21st Agents SDK+

Starting price

$6/month

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Solid.js+

Starting price

$0/month

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Svelte+

Starting price

$0/month

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Vue.js+

Starting price

$0/month

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Attribute	21st Agents SDK	Solid.js	Svelte	Vue.js
Category	Developer Tools	Developer Tools	Developer Tools	Developer Tools
Pricing	Paid	Free tier	Free tier	Free tier
Starting price	$6/month	✓ $0/month	✓ $0/month	✓ $0/month
Free tier	No	✓ Yes	✓ Yes	✓ Yes
Free trial	No	No	No	No
Deployment	—	—	—	—
API available	Unknown	Unknown	Unknown	Unknown
Platforms	—	—	—	—
Certifications	—	—	—	—
Integrations	✓ 1	—	—	—
Company	—	—	Founded 2016	—
Feature attributes

Unknown values show as “Unknown”/“—”. Nothing is inferred — see each tool page for sources.