Compare

Directus vs Thesys

Directus is a headless CMS, not a generative UI service for AI.

Short answer: Pick Directus if you want headless CMS with AI-enabled data actions; pick Thesys if you want Generative UI for AI apps. Directus has a free plan, paid from $499/month; Thesys has a free plan, paid from $49/month.

Which to pick

Pick Directus if you want…

  • Headless CMS with AI-enabled data actions
  • Content management
  • Integrations with Next.js, Nuxt or Astro (on Directus' list, not Thesys')

Pick Thesys if you want…

  • Generative UI for AI apps
  • The lower starting price: $49/month against $499/month
  • Integrations with OpenAI, Anthropic or OpenRouter (on Thesys' list, not Directus')

Side by side

What it is
Directus:Directus is a self-hostable headless CMS and data platform that adds instant REST/GraphQL APIs and AI-driven workflows to any SQL database.
Thesys:Thesys provides a Generative UI API that lets AI applications return interactive dashboards, forms, charts and reports in real time.
Best for
Directus:Headless CMS with AI-enabled data actions
Thesys:Generative UI for AI apps
Who it’s for
Directus:Developers, content teams, and ops who need a collaborative backend over existing databases.
Thesys:AI product teams building interactive interfaces for copilots, internal tools, and assistants.
Pricing
Directus:Freemium
Thesys:Freemium
Starting price
Directus:$499/month (Team)
Thesys:$49/month (Build)
Free plan or trial
Directus:Free plan (Core) · Free trial
Thesys:Free plan (Free)
Plans
Directus:Core $0 per month · Team $499 per month · Open Innovation Grant Free
Thesys:Free $0/mo. · Build $49/mo. per month · Grow $499/mo. per month
Open source
Directus:Yes, 38,004 GitHub stars
Thesys:Yes
Works with
Directus:Next.js, Nuxt, Astro, SvelteKit, React, Angular, Laravel, Django
Thesys:OpenAI, Anthropic, OpenRouter

Directus features

  • Instant API generation. Creates production-ready REST and GraphQL endpoints directly from your SQL schema.
  • No-code admin interface. Provides a visual studio for content editors, asset management, and live preview without coding.
  • AI Assistant & MCP. Embedded conversational AI can write, translate, tag, and create records via Claude, ChatGPT, Cursor, etc.
  • Role-based access control. Granular permissions govern both human users and AI agents.
  • Realtime & WebSockets. Subscribe to collections for live updates, enabling collaborative apps and dashboards.
  • Digital Asset Manager. Upload, transform, and serve media with on-the-fly resizing and CDN readiness.

Thesys features

  • Generative UI API. C1 API returns rich UI components (dashboards, forms, charts) instead of plain text.
  • Real-time rendering. UI updates adapt instantly to each query and context.
  • Model-agnostic. Works with any LLM key or OpenRouter models, including free models.
  • Style customization. Customize visual style of generated components.
  • API key management. Generate and manage keys per plan with usage limits.
  • Artifacts API. Generate slides and reports; first 100 pages free, $0.01 per page thereafter.

Directus vs Thesys FAQ

What is the difference between Directus and Thesys?+

Directus is a headless CMS, not a generative UI service for AI.

Should I use Directus or Thesys?+

Pick Directus if you want headless CMS with AI-enabled data actions, content management or integrations with Next.js, Nuxt or Astro (on Directus' list, not Thesys'). Pick Thesys if you want Generative UI for AI apps, the lower starting price: $49/month against $499/month or integrations with OpenAI, Anthropic or OpenRouter (on Thesys' list, not Directus').

Is Directus or Thesys free?+

Directus has a free plan (Core); paid plans start at $499/month (Team). Thesys has a free plan; paid plans start at $49/month (Build).

Which is cheaper, Directus or Thesys?+

Thesys is cheaper to start with: Thesys' Build plan ($49/month) against Directus' Team plan ($499/month).

Is Directus or Thesys open source?+

Yes, both are open source: Directus (directus/directus on GitHub) and Thesys (orgs/thesysdev on GitHub).

Do Directus and Thesys integrate with the same tools?+

Their integration lists don't overlap: Directus lists Next.js, Nuxt, Astro, SvelteKit and 10 more; Thesys lists OpenAI, Anthropic and OpenRouter.

On DevHunt

Thesys

0 upvotes · Launched on DevHunt on Jan 6, 2026

Based on each tool's website and DevHunt data. Details may change; check the official sites.