Development

Spotify's best developers have not written a line since December

development2026-02-13

Claim

Spotify said its best developers have not written a line of code since December, while Codex passed a million weekly users with 95% of OpenAI's own engineers using it and every pull request reviewed by AI first.

Reported metric: 1M weekly users

Reporting date: 2026-02-13 (not necessarily the event date)

Sources

Attribution and reporting linked by this record; links do not imply independent verification.

Welcome to February 13, 2026 (theinnermostloop.substack.com)

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Reported in

Welcome to February 13, 2026

Actor

Evidence for

Supersedes

Effectively all of Anthropic's product code is written by Claude

Referenced by

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Citation formatCitation text

Spotify's best developers have not written a line since December
Innermost Loop KB — secondary record
Reporting date: 2026-02-13
KB permalink: https://nicholsn.github.io/innermost-loop-kb/developments/2026-02-13-spotify-devs-have-not-written-code-since-december
Claim: Spotify said its best developers have not written a line of code since December, while Codex passed a million weekly users with 95% of OpenAI's own engineers using it and every pull request reviewed by AI first.
Attributed sources:
- Welcome to February 13, 2026 — https://theinnermostloop.substack.com/p/welcome-to-february-13-2026
This citation does not imply independent verification of linked-source claims.

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