Long-form research reports and case studies from production AI deployments: the State of RAG 2026, enterprise AI economics, agentic copilots in 74 days, and the evals harness pattern. Written by senior engineers shipping AI in production.
The State of RAG in Production, 2026(Research · 12 min) — We benchmarked 18 retrieval stacks, 9 rerankers and 6 eval frameworks across 2.4M real queries. The winners may surprise you — and the losers cost our clients ₹crores.
The True Economics of Enterprise AI(Whitepaper · 15 min) — A CFO-ready framework for modeling total cost of ownership across frontier APIs, open-weight hosting and fine-tuned deployments. With live spreadsheets.
Shipping an Agentic Copilot in 74 Days(Case Study · 10 min) — How a 4-person ThoughtCell pod took a regulated enterprise from "AI is interesting" to a multi-agent copilot with 10k+ daily users — and an eval score that beat GPT-4 on their domain.
Evals Are All You Need(Technical Note · 8 min) — Why 80% of enterprise AI projects fail on reliability — and the eval harness pattern we use on every ThoughtCell build to keep LLMs honest in production.