65.5%About 2 in 3of developers who used a coding agent or assistant in the past year used Claude Code; 58.7% used GitHub Copilot

Publisher

Stack Overflow, Stack Overflow Developer Survey

Source type

Survey: Sampled survey with a published method

What it measures

65.5% of developers who used a coding agent or assistant in the past year used Claude Code; 58.7% used GitHub Copilot

Data period

Jun to Aug 2026 (ends 5 Aug 2026)

Published by the source

6 Oct 2026

Who is counted

30,903 valid responses from 169 countries, fielded 23 Jun to 5 Aug 2026; self-selected online survey. Each question has its own n.

In the source's words

Claude Code (66%) and GitHub Copilot (59%) are the clear leaders. ... Claude Code | 8,030 | 65.5% | GitHub Copilot | 7,196 | 58.7%

Checked at source

23 Oct 2026: Read on survey.stackoverflow.co 2026 results (Markdown edition of the AI data page). Question AICodeAgent, users n = 12,255. New stat.

Reuse

Survey data under the Open Database Licence (ODbL 1.0). Self-selected online survey, mostly Stack Overflow users; not a random sample of all developers. Question wording changes between years.

Next expected update

31 Oct 2027 (Stack Overflow, yearly (2026 results 6 Oct 2026))

Original page

survey.stackoverflow.co: Stack Overflow Developer Survey

Data files

CSV · JSON (stable links)

No changes recorded yet. First checked at the source on 23 Oct 2026.

APA

MLA

HTML link

Keep the source link under the chart. The chart updates when the number does.