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OpenRouter vs Thesys
OpenRouter provides model routing, while Thesys adds a UI layer on top of LLM output.
Which to pick
Pick OpenRouter if you want…
- Unified API for multi-model routing
- Model aggregation
Pick Thesys if you want…
- Generative UI for AI apps
- Open-source code (orgs/thesysdev on GitHub)
Side by side
- What it is
- OpenRouter:OpenRouter provides a single API to access hundreds of AI models from multiple providers.
- Thesys:Thesys provides a Generative UI API that lets AI applications return interactive dashboards, forms, charts and reports in real time.
- Best for
- OpenRouter:Unified API for multi-model routing
- Thesys:Generative UI for AI apps
- Who it’s for
- OpenRouter:Developers building AI-powered apps who need model choice and cost control.
- Thesys:AI product teams building interactive interfaces for copilots, internal tools, and assistants.
- Pricing
- OpenRouter:Freemium
- Thesys:Freemium
- Plans
- OpenRouter:Free $0
- Thesys:Free $0/mo. · Build $49/mo. per month · Grow $499/mo. per month
- Open source
- OpenRouter:—
- Thesys:Yes
- Works with
- OpenRouter:—
- Thesys:OpenAI, Anthropic, OpenRouter
OpenRouter features
- Model catalog. Browse 500+ active models across 80+ providers through one endpoint.
- Auto-routing. Automatically fall back to alternative providers for higher availability.
- Cost controls. Set budgets, spend limits and view price alerts to keep costs in check.
- Data policies. Define fine-grained policies to restrict which models and providers can receive prompts.
- Prompt caching. Cache prompt results to reduce latency and token usage.
- Region routing. Route requests to EU or US data centers for compliance and latency.
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.
OpenRouter vs Thesys FAQ
Is OpenRouter or Thesys free?+
OpenRouter has a free plan and paid plans. Thesys has a free plan; paid plans start at $49/month (Build).
Is OpenRouter or Thesys open source?+
Thesys is open source (orgs/thesysdev on GitHub). DevHunt has no public source repository on record for OpenRouter.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.