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OpenRouter vs Onyx

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

OpenRouter compared with Onyx
DetailOpenRouterOnyx
What it doesThe unified interface for every model Open source enterprise search and AI assistant platform
StageEstablished Growing
FoundedNot given Not given
Based inUS Not given
Pricing modelfreemium freemium
PricingFree plan with 25+ models and 4 providers, 50 requests/day. Standard: pay-as-you-go with 5.5% fee on credit purchases. Business: pay-as-you-go with 8% fee. Enterprise: volume-based pricing with contracts and dedicated support. Free open-source self-hosting available. Managed cloud Business plan: $20/user/month (annual) or $25/user/month (monthly). Enterprise plan with custom pricing, on-premise deployments, OIDC/SAML SSO, white-labeling, and dedicated support.
Key features
  • Access to 500+ models across 80+ providers
  • Auto-routing and preferred vendor selection
  • Custom data policies for model and provider selection
  • Prompt caching
  • Multi-modal support: text, images, videos, and audio
  • Automatic fallback to other providers on errors
  • In-region routing for EU and US
  • OpenAI-compatible API
  • Management API key controls
  • Activity logs and export
  • Chat and search UI
  • Access to all major LLMs
  • Custom AI agents
  • MCP and OpenAPI actions
  • 40+ app connectors
  • Web search and deep research
  • Code interpreter
  • Slack integration
  • Developer APIs
  • Permission-aware connectors
What makes it different
  • No vendor lock-in across 80+ providers
  • No markup on provider inference pricing
  • Transparent marketplace showing unique strengths of each model
  • Automatic fallback and redundancy across providers
  • Failed requests are not billed
  • Searches all sources in parallel for faster answers
  • Self-hosted with data never leaving customer infrastructure
  • Permission-aware from day one with real-time sync
  • Supports any LLM provider with one-click switching
  • State-of-the-art search outperforming industry leaders
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)88 no change since last check62 no change since last check
Trust Flow (Majestic)3829
Citation Flow (Majestic)7050
Referring domains (Majestic)245231686

6 details filled in for both companies.

More alternatives to OpenRouter More alternatives to Onyx

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