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- Portkey Alternatives Teams leave Portkey for four different reasons, and each one points at a different shortlist. Segment by your reason before you evaluate a single replacement.
- Best Self-Hosted LLM Gateways Self-hosting an LLM gateway means a proxy tier, Redis, and a Postgres full of prompt payloads — plus being in the request path for every AI feature you ship.
- LiteLLM vs Portkey vs Kong AI Gateway Three different architectural bets, not three feature sets: a library that became a proxy, a managed gateway inside a security platform, and LLM traffic as another protocol.
- Best AI Gateways for Enterprise The controls procurement and security block on — redaction, audit, hard budgets, SSO, model allow-lists, deployment mode — and the gateways that satisfy them.
- Best Open Source AI Gateways How to read an open-core boundary before you commit, why licence shape matters more than the word open, and which gateways survive both tests.
- Best AI Gateways for Startups How fast you get to a first routed request, whether swapping a base URL is genuinely enough, and the honest case for not adopting a gateway yet at all.
- Best AI Gateways What an AI gateway does that an SDK cannot, the three places it can sit, and the eight products worth shortlisting — with the cost of each architecture named.
- Best Real User Monitoring (RUM) Tools How to pick a RUM tool: field versus lab data, what actually feeds Google, the script weight you add, sampling honesty, replay privacy, and bot noise.
- Best Uptime and Synthetic Monitoring Tools Where uptime checks end and synthetic browser transactions begin, how false positives destroy trust in alerting, and why your status page must live somewhere else.
- Best APM for Serverless and Edge Functions Why the agent model breaks with no persistent process, how Lambda extensions work around it, and what you can collect from Cloudflare Workers and edge.
- Best OpenTelemetry-Native Observability Platforms The difference between vendors that ingest OTLP natively and vendors that wrap OpenTelemetry in a proprietary agent, and why that determines whether you can leave.
- Best APM for .NET Applications Why .NET Framework on IIS and modern .NET on Linux need different APM tools, how Activity powers OpenTelemetry, and what breaks in async traces.