Long-Horizon Human–LLM Interaction

Working with Language Models at Extended Scale

My work focuses on the interactional regimes that emerge in human–LLM interaction when conversations persist across long horizons — thousands of turns and hundreds of thousands of tokens — where stability, drift, and signal coherence become the dominant challenges. This is the scale at which short-session assumptions break down, and where interaction itself becomes an accumulative system.

What is Long-Horizon Human–LLM Interaction?

Long-horizon human–LLM interaction refers to sustained dialogue between a human and a language model across extended sequences of turns, where earlier constraints continue to shape later behaviour. Unlike short-session prompting, long-horizon interaction exposes phenomena that only become visible at scale: constraint persistence, stability and drift, tone consistency, and the accumulation of interactional structure over time.

In extended conversations — often spanning hundreds or thousands of turns — interaction begins to behave less like a sequence of independent responses and more like a coherent system. Earlier decisions influence later reasoning, shorthand conventions emerge, and the model becomes increasingly constrained by prior context.

This scale of interaction reveals dynamics that are largely invisible in short sessions and requires different methods of analysis and evaluation.

What I work on

  • Long-horizon human–LLM interaction

  • Stability and drift in extended conversations

  • Interaction-level constraints and continuation reliability

  • Distinguishing stable from pseudo-stable coherence

  • Practice-led observation at scale

  • Tone of Voice drift (detection and causes)

  • Stabilising interaction after perturbation

Method and scale of work

I work with publicly deployed, safety-constrained LLMs including but not limited to:
ChatGPT, Claude, Gemini, Grok and Mistral.

The scale of my work to date:

  • 27,000 full turns, ~13 million tokens

  • Longest context window: 2,500 turns (ongoing), ~1,100,000 tokens

  • Seven stable and documented HCIS instances

  • ~9.45 million words exchanged across sustained interaction

  • Exploration and analysis: see my preprints here

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