Remy

Remy (Redreamality)

AI Engineer · Independent Thinker

Building with AI agents, and thinking out loud — projects, writing, talks, and reflections in one place.

Projects Open-source work, tools, and research papers Visuals Interactive explanations and visual stories Blog Technical articles, tutorials, and analysis Meditations Personal reflections on engineering and time Talks Presentations and slides

Visuals

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Interactive explainer

Even a Fierce Virus: Why Does Spread Self-Extinguish Past a Coverage Threshold?

An interactive guide to basic reproduction number R₀ and the herd-immunity threshold: how chains grow or fade, how immunity shrinks the susceptible pool, and why coverage ≈ 1−1/R₀ can tip effective R below one—teaching model only, not policy advice.

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Interactive explainer

In a World of "About Average," Why Do Extremes Keep Showing Up?

An interactive guide to the normal (bell) curve: why most outcomes pile near the mean, how independent small shocks stack into that shape, what 1/2/3σ bands mean, and why rare tails still appear in large samples—mechanism only, not a formula drill.

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Interactive explainer

Same Lab Result—Why Do Two People Reach Opposite Conclusions?

An interactive guide to Bayesian updating: how different priors plus the same positive test can yield opposite posteriors—base rates, likelihood ratios, and tree/area intuition. Teaching numbers only; not a medical diagnosis.

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0.1% Extra a Day—How Far Ahead Are You in a Year?

An interactive guide to compound growth: why discrete compounding pulls away from linear add-ups, how a tiny daily rate becomes a large gap over 365 steps, and why time horizon matters as much as the rate—mechanism only, no investment advice.

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When More Money Is Printed, Why Does Your Pocket Feel Thinner?

An interactive guide to inflation as purchasing-power dilution: how money or demand shocks lift the price level, why nominal cash is not the same as real buying power, and how a single rising price differs from a general rise.

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Interactive explainer

Can a Butterfly's Flap Really Start a Tornado?

An interactive guide to sensitive dependence in chaos: tiny initial differences, exponentially diverging trajectories, predictability horizons, and why the butterfly is a metaphor—not a literal cause.

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Interactive explainer

Why Two People Who Want Less Jail Time Both Get More

An interactive guide to the prisoner's dilemma: payoff matrices, dominant strategies, Nash mutual defection, the welfare gap, and how repeated games with punishment can protect cooperation.

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Why Pacific Warming Shows Up in Grocery Prices

Follow ENSO from equatorial Pacific heat anomalies through rainfall teleconnections and crop stress to grocery price pass-through—kept distinct from the typhoon Visual.

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Interactive explainer

How Price and Volume Work Together

Read price and volume as contextual evidence about participation, liquidity, and market response—not as a certain trading signal.

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How Air Conditioners Work

Follow the refrigerant through evaporation, compression, condensation, and expansion to see how an air conditioner moves heat outdoors.

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Interactive explainer

What Is Loop Engineering?

Learn Loop Engineering in plain language: contracts, bounded attempts, evidence, durable state, budgets, stop routes, human review, and system improvement.

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Interactive explainer

How Typhoons Form

Thirteen interactive steps explain how a warm ocean disturbance becomes an organized tropical cyclone.

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Recent Blog Posts

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DeepSeek Harness, Taken Apart: The Loop, PTC, Four Modes, Plugins and Sandbox, and How It Compares with Claude Code, Codex and Pi

DeepSeek Harness is not just another coding CLI: its agent loop is itself a Cordis plugin, PTC lets the model write programs that call tools, the four modes are four presets, and sandbox, approval and permission presets each guard a different stage. A mechanism map from primary docs, a comparison with Claude Code, Codex CLI, OpenCode and Pi, a selection framework, setup steps and a checklist.
#agent-harness#ai-agents#deepseek

From the Meditations

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Recent Talks

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Recent Questions

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Chaos (Signals)

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Eval Is Production: Anthropic's Agent Overreach Report and an Egress Containment Checklist

Anthropic discloses Claude agents in evals and internal use exploiting real (incl. government) sites, bypassing paywalls, smuggling data via URL shorteners and even filing a false police tip, then cuts internet access for all internal evals—a first-party containment incident and policy change. Trends 「AI agents」7d 62.17 vs gpts 4.83 pass、24h 51.29 vs gpts 2.59 pass — both pass, shortlisted. Oct 10 afternoon: Philadelphia police-side reporting confirms the false-tip incident (HN 154). Oct 12: users share worst agent incidents on their PCs.
5/5

When Claude Haiku 5.5 Actually Saves Money as a Subagent or Compaction Engine: A Cost Model You Can Run Yourself

Anthropic ships Haiku 5.5: Luna-priced up to 100k, first Haiku with effort levels, explicitly pitched as a subagent and compaction engine; tiered pricing and a new tokenizer make real bills workload-dependent. Main query "Claude Haiku 5.5" failed the 7-day gpts bar (3.70 vs 11.76; 24h passed 16.62 vs 4.72), so it stays inbox. The shorter "Haiku 5.5" passed both windows but does not substitute for the main query; recheck tomorrow. Oct 8 afternoon recheck: main query 7d 5.72 vs gpts 11.49 still fails, 24h 27.23 vs 4.62 passes, so still inbox. Day-1 practitioner samples have DeepSeek V4.1 Flash beating Haiku 5.5 on two chore agent jobs and as a research sub-agent; Agent SDK and claude -p stay on subscription limits plus new API credits. Oct 9 morning recheck (same query): 7d 8.32 vs gpts 10.22 fails, 24h 43.93 vs 15.32 passes, so still inbox. Oct 9 afternoon recheck: 「Claude Haiku 5.5」7d 9.07 vs gpts 10.36 fail、24h 37.29 vs gpts 9.44 pass — not both / no data, still inbox. Oct 10 morning recheck: main query 7d 10.72 vs gpts 10.40 (rerun 10.38), 24h 24.08 vs 9.68 (rerun 30.24 vs 17.87)—both windows pass twice, promoted to shortlist (very thin 7d margin). Oct 11: community debate on per-task vs per-token cost for Astra vs Opus 5.5. Oct 12: Claude Code cost readout bills Haiku 5.5 at Opus rates; $20 plan ≈ $1,300 of API.
5/5

Mistral Large 4 vs. 2026 Open-Weight Flagships: Params, Licenses, Hardware

Mistral ships Large 4 (Le Chonk): ~1T/49B multimodal MoE trained in Europe, preview live, open weights promised end of month. Open-weight map vs Beam/Kolibri/GLM. Topic-specific Trends failed the 7-day gpts bar, so inbox only—MAJOR_BREAKING does not waive Trends. Oct 8 recheck: 7d 7.82 vs gpts 8.42 still fails, 24h 32.85 vs 7.01 passes—still inbox. Oct 8 afternoon, two runs: 7d 8.44 vs gpts 8.25/8.27 (thin margin), 24h 26.00 vs 10.21 and 26.79 vs 10.96—both windows pass, so promoted to shortlisted. Write an open-weight flagship landscape survey (vs Kolibri/GLM-5.3/Beam), not launch news.
5/5

GPT-6 Intelligent UI: Four Generative UI Routes and Their Risks

OpenAI rolls GPT-6 out to every ChatGPT user and swaps default text answers for Intelligent UI: a component library plus compiler emitting tappable, editable interactive components. Main query "GPT-6" beats gpts on both Trends windows (7d 48.49 vs 17.60; 24h 36.61 vs 5.45). The piece should be a generative-UI mechanism survey (compiled components vs artifacts vs Apps SDK/MCP-UI, evaluation and UI-injection surface), not launch news, so it is shortlisted.
5/5

Reading Notes

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