Gary Marcus (@GaryMarcus) — AI tools / agents on X (Twitter)
Gary Marcus is an AI tools / agents creator on X (Twitter) in the 200K–300K follower range, publishing for AI researchers, tech executives, policymakers and academics who are skeptical of current LLM hype and interested in alternative approaches like neurosymbolic AI. Profile last checked 2026-07-05.
| Field | Value |
| --- | --- |
| Platform | X (Twitter) |
| Handle | @GaryMarcus |
| Followers | 200K–300K |
| Category | Software · AI tools / agents |
| Audience function | general AI enthusiasts |
Profile bio
OG GenAI Skeptic; spoke at US Senate. Warned about hallucinations in 2001. Advocating world models & neurosymbolic AI ever since. Author, Marcus on AI & 6 books
What this creator posts about, and who reads it
Recurring topics: AI cost and ROI failures, Limitations of current LLMs and scaling, Neurosymbolic AI and world models, AI policy and regulation, Critiques of AGI claims
Audience: AI researchers, tech executives, policymakers and academics who are skeptical of current LLM hype and interested in alternative approaches like neurosymbolic AI
Audience read from this creator’s own recent posts, not from platform-declared categories. It is our reading, and it can be wrong.
Recent content samples
“AI is now costing some companies more than the people it was supposed to replace.”
and vice versa @yudapearl!!
If this doesn’t chill you, I don’t know what will. 😱 “A president with the authority that Trump is now asserting could in theory put the world’s most powerful AI to repressive ends while at the same time keeping it off…
Indeed: if we actually had AGI we would not need forward deployed engineers.
See the original post on X (Twitter)
Where this creator sits in the wider pool
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