Keywords AI
Compare Martian and OpenRouter side by side. Both are tools in the LLM Gateways category.
| Category | LLM Gateways | LLM Gateways |
| Pricing | Usage-based | Usage-based |
| Best For | Teams who want AI to automatically pick the best model for each request based on quality and cost | Developers who want easy access to a wide variety of LLM models through a single API |
| Website | withmartian.com | openrouter.ai |
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Martian is an intelligent model router that automatically selects the best LLM for each request based on the prompt content, required capabilities, and cost constraints. Using proprietary routing models, Martian optimizes for quality and cost simultaneously, helping teams reduce LLM spend while maintaining or improving output quality.
OpenRouter is an API aggregator that provides access to dozens of LLM providers through a unified OpenAI-compatible API. It offers model routing, price comparison, and rate limit management. OpenRouter is popular with developers who want to quickly switch between models or access models not available through major providers. The platform supports pay-per-use pricing and passes through provider-specific features.
Unified API platforms and proxies that aggregate multiple LLM providers behind a single endpoint, providing model routing, fallback, caching, rate limiting, cost optimization, and access control.
Browse all LLM Gateways tools →