Kong AI Gateway vs Stainless: LLM Gateways Comparison
Compare Kong AI Gateway and Stainless side by side. Both are tools in the LLM Gateways category.
Updated March 10, 2026
The short answer
Choose Kong AI Gateway if developer-friendly platform.
Choose Stainless if automates SDK dev.
Want to compare Kong AI Gateway 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 | Enterprise | paid |
| Best For | Enterprises using Kong who want to extend their API gateway with AI capabilities | AI companies and developers building API clients |
| Website | konghq.com | stainlessapi.com |
| Key Features |
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| Use Cases |
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Pros & Cons: Kong AI Gateway 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: Kong AI Gateway 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 Kong AI Gateway vs Stainless
- Enterprise AI API management
- Load balancing across LLM providers
- AI traffic governance and security
About Kong AI Gateway
Kong AI Gateway extends Kong API Gateway with AI-specific routing and observability. 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.
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