Citation-readyCC-BY-4.0 · Rolling 30 days · May 21, 2026
Claude leads at 64% mention; voice-agent platforms growing fastest
Value
Claude 64% · GPT-4o 48% · RAG 41%
Δ
Voice-agent platforms +84% in 90 days
As of
Rolling 30 days · May 21, 2026
Visualization
What this means
Of 1,247 active implementer roles, 64% mention Claude as the primary or co-primary model. GPT-4o is second at 48%. RAG (41%) and Cursor (34%) are the most common adjacent skills. Voice-agent platforms (Vapi, ElevenLabs, Retell, Bland) appear in 7.57% — up from 4.1% a quarter ago.
Methodology
Token-match against canonical capability taxonomy (40-tag), de-duped per posting. Counts a posting once even if multiple aliases appear.
Citation block
“Per FDEOS market data — Claude is referenced in 64% of active implementer roles; voice-agent platforms appear in 7.57%, up 84% in 90 days (fdeos.com/stats/stack-share).”
Source
FDEOS Firecrawl ingest · Updated weekly · Raw data: /api/public/stats/stack-share