Martian vs Stainless: LLM Gateways Comparison
Compare Martian and Stainless side by side. Both are tools in the LLM Gateways category.
Updated March 10, 2026
The short answer
Choose Martian if developer-friendly platform.
Choose Stainless if automates SDK dev.
Want to compare Martian and Stainless on your own traffic?
Respan lets you trace LLM and agent calls across any model or framework, A/B test prompts on production traffic, and route requests across 250+ models through one gateway. Free tier covers 10K traces per month. Setup in 5 minutes, no credit card.
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 |
| Key Features |
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| Use Cases |
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Pros & Cons: Martian vs Stainless
- +Developer-friendly platform
- +Production-ready
- +Good performance
- +Active development
- −Enterprise pricing varies
- −Setup complexity
- −Learning curve
- +Automates SDK dev
- +Type-safe code
- +Multi-language
- −Requires OpenAPI
- −Limited customization
Pricing: Martian vs Stainless
- · Core features
- · Community support
- · Basic limits
- · Advanced features
- · Higher limits
- · Priority support
- · Custom solutions
- · Dedicated support
- · SLA guarantees
- · Core features
- · Advanced features
- · Custom
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 provides model routing and cost optimization for multi-LLM deployments. The platform provides comprehensive features for production AI applications with focus on reliability and developer experience.
About Stainless
Stainless automatically generates SDKs from OpenAPI specs. Creates production-quality type-safe SDKs in multiple languages.
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 Gatewaystools →Other LLM Gateways Tools
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