LLM Observability Tools 2026: 4 Types AI Engineers Get Wrong
The LLM observability category has 4 distinct tool types in 2026. Confusing a reverse proxy with an SDK tracer costs trace coverage — not just $59/mo.
6 min0
#llm-integration
Langfuse vs Helicone: I Tested Both for LLM Observability (2026)
Langfuse vs Helicone for LLM observability in 2026: SDK span trees vs one-line proxy plus AI Gateway, pricing, real Claude agent test, and decision tree.
10 min1
Langfuse Experiments Rebuild: What LLM Devs Need to Know (2026)
Langfuse rebuilt experiments as a first-class concept on April 13, 2026. Here is what changes for LLM evaluation workflows and how to migrate this week.
7 min0
Best AI Gateway Tools for Multi-Model LLM Apps in 2026
Compare LiteLLM, Portkey, Cloudflare AI Gateway, OpenRouter, Helicone, and Kong AI Gateway for production LLM apps in 2026 — pricing, fallbacks, caching, and which one fits your stack.
12 min0
Best LLM Observability Platforms for Anthropic and OpenAI Stacks (2026)
I instrumented a Claude Sonnet 4.6 + pgvector RAG app across 7 LLM observability platforms — Langfuse, Helicone, Phoenix, Braintrust, Opik, Traceloop, Lunary.
13 min0
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