build1 publisher
LangChain drops about 4,000 base input tokens from every default Deep Agents turn
The harness lost its hidden system prompt, 43% of its builtin tool descriptions and its todo list middleware. LangChain's own footnote says reward confidence intervals span zero for every model tested, so the evals settle the token saving more firmly than the quality.
Publishers:langchain.com
Reality
- Evidence58
- Adoption30
- Hype gap+18
- Incentives82
- Confidence46