LLM Limitations

Umbrella for the specific ways LLMs are fallible or misunderstood — capability unevenness, the pattern-completion mechanism underneath fluent output, human over-attribution of understanding to that output, and concrete operational failure modes. See the narrower concepts below for each.

Also known as: LLM limitations, model limitations

Abductive Reasoning & the Limits of AI DiscoveryAI Anthropomorphization & the Gullibility GapContinuation Pressure (Deferral / Velocity Pressure)Delegated Editing & Document CorruptionJagged Capability (On Rails / Off Rails)LLM as Navigator (Not Oracle)LLM Reliability FailuresPattern-Completion Generation (Not Reasoning)

Documents (21)

Propositions touching this concept (2)

By publication month, oldest first (extraction month when no publication date is known).

2025-10

2026-09

Tensions

What kind of problem is AI adoption in software development, and who is the responsible actor for fixing it?
from: Is skepticism/rejection of AI for software development still rational in 2026 — and where exactly do practitioner "adopt fully" and "abstain entirely" positions actually diverge: on the facts (does AI work), the values (what counts as harm), or the frame (individual choice vs. systemic problem)?
Assessment: These aren't competing answers to the same question — they're answers to three different questions about where causal and moral leverage lies (org-technical, individual-ethical, political-collective), and the corpus never stages a direct confrontation between them. The weakest of the three on its own terms is Brett's: his abstention argument depends on an untested demand-signaling causal claim, and Marcus's own regulatory framing implicitly undercuts it — if the effective lever is political, one person's abstention is symbolic rather than causally load-bearing, however psychologically necessary it may be for him. Majors's org-engineering frame is the most operationally developed but explicitly scopes itself to teams that already have the discipline to execute it — it has nothing to offer someone in Brett's actual position (an individual contributor under a leadership mandate, with no control over org-level tooling investment).
Is code a durable artifact to be maintained, or an ephemeral byproduct regenerated from a more durable source (spec/objective)?
from: What is the future of software development in the agentic/AI age?
Assessment: The most-cited open question of the corpus, and genuinely unresolved (Herlein: 'no consensus here. None.'). The 'code is the better spec' counter is strong — code is unambiguous, executable, deterministic, whereas a prose spec is reinterpreted each run, which sits in tension with verifiability being the quality bar. Ruby's move is the most defensible: it dissolves the code-vs-spec fight by locating durability in the evaluation rather than any representation. Verraes and Ördög expose the load-bearing empirical unknown — nobody has data on regenerate-vs-patch cost or on long-term evolvability of agent-maintained code.
Is preserving human understanding of the system a first-order value, or is comprehension safely offloadable so long as output is verifiable?
from: What is the future of software development in the agentic/AI age?
Assessment: The optimist-practitioner vs. skeptic-humanist axis. Fowler and Nilsson treat comprehension and craft as intrinsic goods whose loss is a harm even when output is fine; Herlein and Ocytko treat comprehension as instrumental — replaceable by verification and platform guardrails. The humanist camp has the stronger long-run argument (Fowler's cognitive-debt case and Ocytko's own 'who-guards-the-guards' problem both show verification and guardrails are themselves fallible artifacts that someone must understand), but the offloadable camp is describing what is actually happening at scale. The crux is whether verifiability can ever be robust enough to make understanding optional — which Ruby's own Goodhart gap (a passable oracle diverging from true intent) suggests it cannot fully be.

Open gaps (76)