OpenRouter
OpenRouter is a unified API gateway granting access to 400+ LLMs (GPT‑4, Claude, PaLM, open‑source), with smart routing, transparent pricing, high‑availability.
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OpenRouter is a unified API gateway granting access to 400+ LLMs (GPT‑4, Claude, PaLM, open‑source), with smart routing, transparent pricing, high‑availability.
These are the questions we get asked the most about us.
OpenRouter is a universal API gateway and interface that gives developers and users access to multiple large language models (LLMs)—including GPT-4, Claude, Mistral, Gemini, and more—through a single platform. It simplifies AI integration by letting you switch between models with one unified API or web interface.
Multi-Model Access – Use GPT-4, Claude, Mistral, LLaMA, Gemini, Mixtral, and others via a single account.
Unified API Endpoint – Connect multiple LLMs using just one API, reducing complexity in AI app development.
Web UI for Chatting – Chat with any supported model via a clean browser interface.
Pay-as-You-Go Billing – Only pay for what you use, with no monthly commitments.
Token Usage Visibility – Track usage per model, per request, in real time.
API Key Management – Create and manage multiple keys for different projects securely.
Developer Friendly – Easy to integrate into apps, bots, tools, or SaaS products.
Open-Source Friendly – Supports community-hosted and open-weight models.
AI developers
SaaS founders
Researchers
Product managers
AI chatbot builders
Educators
Data scientists
Tech enthusiasts
Hobbyists
API-based app developers
Compare Multiple AI Models – Easily switch between Claude, GPT-4, Gemini, etc.
Build AI Apps with Flexibility – Integrate multiple LLMs without vendor lock-in.
Create Multi-Model Chat Interfaces – Give users choices in AI models.
Lower AI Costs – Use affordable models like Mistral or Mixtral instead of GPT-4 for some tasks.
Academic or AI Research – Benchmark and experiment with various LLMs in one place.
Pay-as-You-Go: Pricing varies per model (e.g., GPT-4: ~$0.03–$0.06/1K tokens, Claude: ~$0.01–$0.04/1K tokens)
No Monthly Subscription Required
Custom Usage Tiers: Available for high-volume developers
✅ Free credits often provided on sign-up
✅ Transparent pricing per model
Vs Poe: Poe is chat-focused for consumers; OpenRouter is developer-focused with API access.
Vs Hugging Face: Hugging Face supports model hosting; OpenRouter simplifies multi-model access.
Vs Together.ai: Together focuses on OSS models; OpenRouter supports both open and closed-source.
Vs Anyscale: OpenRouter has easier onboarding and real-time usage tools.
Vs Replicate: Replicate is for model deployment; OpenRouter is a unified router.
Access multiple LLMs in one place
Simple pricing and billing
Ideal for devs and AI startups
Chat UI + API in one
Great for testing and comparison
Some advanced models may require waitlisting
No mobile app
No built-in plugin store (yet)
OpenRouter is a must-have platform for AI developers and builders who want to access multiple LLMs via a unified API and intuitive chat interface. Whether you’re building a chatbot, comparing models, or deploying an AI-powered app, OpenRouter saves time, money, and development overhead.