Compare vendors
Side-by-side risk profiles. Default view: Cursor vs Claude Code vs GitHub Copilot. Add up to 4 tools via ?tools=cursor,claude-code,... in the URL.
Claude (Anthropic)
ai-chat · Anthropic
ChatGPT
ai-chat · OpenAI
Nerf Index
31 on watch
29 on watch
Defining stat
2 major changes on record
1 major change on record
Critical
0
0
Major
2
1
Last 90 days
1
1
Peak nerf score
36
47
Cadence
~210d
—
Forecast: next 30d
31%
67%
Forecast: next 90d
67%
96%
Most likely change
feature-gated
billing-model-shift
Pricing page
Recent receipts