Weekly Intelligence Report

Week of September 22, 2025

2 developer adoption shifts detected for the week of September 22, 2025.

Shift #1

PyPI Downloads decline: Milvus (Zilliz), vLLM, AI21 Labs

PyPI Downloads shifts: Milvus (Zilliz) down 81% (2,963,083 from 15,842,066); vLLM up 62% (5,639,233 from 3,488,777); AI21 Labs down 34% (36,737 from 55,954).

View Milvus →View Vllm →View Ai21-labs →

Shift #2

npm Downloads surge: Braintrust, CrewAI, Vercel AI SDK

npm Downloads shifts: Braintrust up 35% (1,225,393 from 905,550); CrewAI up 28% (1,530 from 1,191); Vercel AI SDK up 16% (13,756,359 from 11,832,960).

View Braintrust →View Crewai →View Vercel-ai →

Methodology

Adoption signals sourced from PyPI and npm download registries using 30-day rolling windows. Community signals from Hacker News API. All data collected and computed daily.

Full methodology →

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