Portkey is an AI gateway with fallbacks, caching, budgets, guardrails, observability, and an MCP gateway.
Portkey lists a free Developer plan with 10,000 logs and Production at $49 per month. Enterprise pricing is custom, and an open-source gateway is available. Last checked 27 Oct 2026.
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Three other agent frameworks tools listed in this directory.
Agent frameworks
Tuskira AI Agent Gateway is an open source gateway you run yourself in front of MCP tools and model providers. It checks each call against an agent profile and logs the result.
Agent frameworks
Agent-Native is an open source TypeScript framework for building agents that share actions with a user interface. You define a capability once, and the agent, the app, and other clients call the same code.
Agent frameworks
Arize AX does agent tracing and evals with OpenTelemetry, and Phoenix is the open-source local-first product.