Every THE D[AI]LY BRIEF article on Langfuse — enterprise AI analysis, benchmarks, vendor comparisons, and ROI frameworks for technology and business leaders. Updated as new coverage publishes.
Hand-write about 200 RAG eval questions from real traffic, with gold answers owned by one domain expert. Score retrieval and generation separately, gate every PR, and use synthetic generators only for retriever coverage.
October 4, 2026 · 13 min read
Promptfoo's CLI is the only one of the four that fails a build without you writing the enforcement code, and it costs nothing. The paid platforms sell what happens after the gate: stored traces, run-to-run diffs and a review queue.
August 26, 2026 · 17 min read
Eleven AI observability options priced against one workload — 500,000 agent runs a month, 5 million spans, 10 GB of traces. The same telemetry costs $49 at SigNoz Cloud and about $930 at W&B Weave, and retention is a bigger multiplier than traffic.
August 19, 2026 · 17 min read
Seven agent monitoring tools priced against the same workload: 50,000 runs a month at 12 steps each. Self-hosted Langfuse wins on cost and audit depth — but only one of these tools sits in the request path where it can actually stop a runaway agent, and that is the part you have to build yourself.
August 11, 2026 · 16 min read