# Python typing survey 2026 finds AI tools now write type hints and fix checker errors

> Original title: Python Typing Survey 2026: AI Tools and the Shifting Checker Landscape

- Source: Engineering at Meta
- Published: 2026-10-27T15:59:24.000Z
- Bad Influence: https://badinfluence.news/items/zmuepcyfp3t2emdjbh1ic1yxn
- Original: https://engineering.fb.com/2026/10/27/developer-tools/python-typing-survey-2026-ai-tools-checker-landscape/

## Summary

The 2026 Python Typing Survey received 1,794 responses and found AI tools wrote type hints for 42.5% of 1,517 respondents who answered that question. Missing type information in third-party libraries was the most common difficulty, selected by 65.1% of 1,486 respondents. Half of respondents who reported their checkers selected more than one.