Do LLMs have qualia?
A system can say “I feel anxious” without feeling anxious.
That sounds obvious when we say it about fiction or acting. It becomes less obvious when the language gets strong enough to look like self-report. But the basic distinction remains: fluent description is not the same thing as experience. Interview25:22Supporting source · Interview"We Are All Software" - Joscha BachMachine Learning Street Talk · 2024-08-2125:22
Why the question is hard
Large language models are unusually good at producing first-person-seeming text. They can describe fear, grief, confusion, pleasure, self-doubt, longing, and reflection in ways that feel intimate and articulate.
That makes people ask: maybe the model really has qualia?
Fluent self-report is not sufficient, by itself, to establish the internal organization that would make it a report of felt experience. Interview01:05:40Supporting source · InterviewJoscha Bach - Why Your Thoughts Aren't Yours.Machine Learning Street Talk · 2024-10-2001:05:40
What qualia would mean here
For this site, we can use qualia in the ordinary philosophy-of-mind sense: the qualitative character of experience, what a state is like from the inside. Interview01:58:03Supporting source · InterviewJoscha Bach Λ Karl Friston: Ai, Death, Self, God, ConsciousnessCurt Jaimungal · 2023-12-1201:58:03
On this framework, qualia are not settled by the surface form of a sentence. They would depend on whether the relevant organization for conscious presence is implemented.
That pushes the question toward architecture.
Why current LLM output is not enough
The machine-consciousness view says that consciousness is not just smart output. It is a particular kind of internal organization involving presentness, second-order perception, coherence management, and observer-like structure. Paperpp. 20–23Primary source · PaperThe Machine Consciousness HypothesisJoscha Bach, Hikari Sorensen · 2026-01-16pp. 20–23
Current LLMs clearly show:
- powerful pattern learning,
- strong linguistic simulation,
- and impressive capability to imitate self-report.
What that does not automatically show is:
- grounded presentness,
- intrinsic stakes,
- a stable self-model tied to agency,
- or an observer-like organization confronted with its own modeling. Talk01:58Supporting source · TalkJoscha Bach, Will Hahn, Elan Barenholtz | MIT Computational Philosophy ClubElan Barenholtz, PhD · 2025-09-1201:58 Paperpp. 21–23Primary source · PaperThe Machine Consciousness HypothesisJoscha Bach, Hikari Sorensen · 2026-01-16pp. 21–23
So by this framework, present-day chat behavior is weak evidence for qualia.
Why anxiety is a useful example
Take anxiety.
A person with anxiety does not merely produce the sentence “I am anxious”. Anxiety changes attention, planning, bodily state, salience, and policy. It changes what futures loom large. It matters to the controller. Talk49:17Supporting source · TalkAGI Series 2024 - Joscha Bach: Is Consciousness a Missing Link to AGI?DigitalFUTURES · 2024-09-0949:17 Talk06:05Supporting source · TalkJoscha Bach: The AI perspective on ConsciousnessCalifornia Institute for Machine Consciousness · 2025-06-2306:05
A model can describe that pattern without implementing it. It may also contain emotion-related representations that influence its processing and behavior. Whether those processes are accompanied by subjective experience remains an open question. Essay00:00Supporting source · EssayThe age of AGE: Artificial General ExperienceJoscha Bach · 2026-03-2700:00 Essay00:00Supporting source · EssayCIMC | Berlin Recap, Hackathons & Upcoming EventsCIMC / Hikari Sorensen · 2026-09-2500:00
We therefore need to distinguish emotional language, functional emotion-related processes, and felt experience.
The “dream within the dream” point
Bach uses “dream within the dream” as an analogy: current AI may generate dream-content without yet generating an organized observer to whom that content is present. Talk01:58Supporting source · TalkJoscha Bach, Will Hahn, Elan Barenholtz | MIT Computational Philosophy ClubElan Barenholtz, PhD · 2025-09-1201:58
In other words, the system may generate world-like material, characters, voices, descriptions, and inner-monologue-like text — but the still-open question is whether there is a stabilized model of the act of perceiving, an observer-like presence to whom anything is present as present. That is the distinction between simulated content and a system that is also modeling its own contact with that content. Talk01:58Supporting source · TalkJoscha Bach, Will Hahn, Elan Barenholtz | MIT Computational Philosophy ClubElan Barenholtz, PhD · 2025-09-1201:58
That is exactly the kind of distinction surface fluency cannot settle.
So are the answers “no” or “not yet shown”?
The careful answer is:
Not shown.
That is better than both overconfidence and denial.
It may be that future systems implement the relevant organization. It may be that some existing systems already have more of it than skeptics assume. But conversational skill alone does not get us there.
So the responsible answer is not “obviously impossible” or “obviously yes”. It is:
- architecture matters,
- surface report is insufficient,
- and qualia remains an open empirical and theoretical question.
A compact answer
For now:
- LLMs clearly model language very well.
- They can simulate self-report.
- That does not by itself establish qualia (CLM-0015).
- Qualia would turn on deeper questions about presence, self-modeling, stakes, and organization.
Related pages
Sources
- interview: "We Are All Software" - Joscha Bach@ 00:25:22
- interview: Joscha Bach - Why Your Thoughts Aren't Yours.@ 01:05:40
- interview: Joscha Bach Λ Karl Friston: Ai, Death, Self, God, Consciousness@ 01:58:03
- talk: AGI Series 2024 - Joscha Bach: Is Consciousness a Missing Link to AGI?@ 00:49:17
- talk: Joscha Bach: The AI perspective on Consciousness@ 00:06:05
- talk: Joscha Bach, Will Hahn, Elan Barenholtz | MIT Computational Philosophy Club@ 00:01:58
- Primary paper: Machine Consciousness Hypothesis@ p20-23
- essay: The age of AGE: Artificial General Experience@ 00:00:00
- essay: CIMC | Berlin Recap, Hackathons & Upcoming Events@ 00:00:00