Keywords AI
Martian vs Stainless
Compare Martian and Stainless side by side. Both are tools in the LLM Gateways category.
Quick Comparison
| Category | LLM Gateways | LLM Gateways |
| Pricing | Usage-based | paid |
| Best For | Teams who want AI to automatically pick the best model for each request based on quality and cost | AI companies and developers building API clients |
| Website | withmartian.com | stainlessapi.com |
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When to Choose Martian vs Stainless
- Automatic model selection for optimal quality
- Cost optimization without sacrificing output quality
- Routing different task types to specialized models
About Martian
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.
About Stainless
Powers the official SDKs for OpenAI, Anthropic, and others. The de facto gateway interface layer.
What is LLM Gateways?
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 →