Claude Agent SDK vs Portkey AI Gateway
A side-by-side look at pricing, capabilities, pros, cons, and our editorial scores.
Claude Agent SDK Agents | Portkey AI Gateway Agents | |
|---|---|---|
| Tagline | Anthropic's official SDK for building autonomous Claude agents. | Open-source AI gateway that routes a single API call across 1,600+ LLMs with caching, fallbacks, and observability. |
| Category | Agents | Agents |
| Pricing | Free· Free SDK; API usage billed at Claude rates | Freemium· Free tier available; paid Pro and Enterprise plans (contact for pricing) |
| Model | Claude Opus / Sonnet | Multi-model (1,600+ LLMs) |
| Editorial score | 8.6 / 10 | — |
| Use cases | Claude agentstool useproduction | llm-routingfallbacks-and-retriessemantic-cachingcost-observabilityprompt-managementmulti-provider-llm |
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| Website | docs.claude.com | portkey.ai |
Pick Claude Agent SDK if
- ✅ Official, well-tested abstractions
- ✅ Same primitives as Claude Code
- ✅ Strong tool-use ergonomics
- ✅ TypeScript + Python SDKs
Pick Portkey AI Gateway if
- ✅ Single unified API for 1,600+ models across every major provider
- ✅ Open-source core (Apache-2.0) with optional managed cloud
- ✅ Built-in load balancing, fallbacks, retries, and semantic caching
- ✅ Real observability: latency, cost, and token usage per request