Monthly report

AI coding spend — September 2025

What 159 developers actually spent on AI coding in September 2025, measured from real ccusage data across Claude Code, Codex, Gemini CLI and every other tracked agent.

Total spend

$129,824

API-equivalent

Active developers

159

30 days with activity

Tokens

103.2B

92% cache reads

Median developer

$124

top 10% above $1,964

Spend by tool

Claude4 devs$12,246 Gemini18 devs$6,664 Codex42 devs$1,279 Cursor2 devs$86.00 OpenCode2 devs$0.00

A day's spend counts toward every tool active that day, so tool figures can sum past the total.

Spend by model

claude-opus-4-6$10,446

gemini-2.5-pro$6,619

gpt-5-codex$1,130

claude-sonnet-4-5$735

claude-sonnet-4$413

gpt-5$146

claude-opus-4-1$105

cursor-aggregate$40.00

Top spenders — September 2025

1iabdulwasey30 days active12.5B$11,217 2toml000623 days active13.0B$10,392 3azamara30 days active2.7B$9,662 4RachidChabane20 days active3.6B$8,099 5juanatsap22 days active3.5B$7,948 6samuelreichor2 days active3.5B$5,952 7sullyitg18 days active1.5B$4,517 8tartorodev118 days active1.5B$4,517 9nikshepsvn8 days active1.6B$4,200 10kimjisub19 days active4.4B$3,732

← August 2025 October 2025 →All-time stats

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npx viberank-cli

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Numbers cite this page as: Viberank, "AI coding spend — September 2025", https://www.viberank.app/stats/monthly/2025-09. Costs are API-equivalent values computed by ccusage from model list prices; developers on flat-rate subscriptions pay less. Verified and unverified submissions included; flagged submissions excluded.