March 18, 2026 · Claude Code transcript

The Boom Incident

A conversation that began with killing an SSH tunnel and escalated into a NeurIPS paper, a senate hearing, a Pulitzer, a Nobel Peace Prize, and 123+ booms.

Clément Dumas × Claude Opus 4.6
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The Incident

In which an SSH tunnel meets its end

Clément

can u check if io have any port forward job running from l40-worker to here?

Claude

You have one port forwarding job running:

- PID 2065189: ssh -fNL 8020:localhost:8000 l40-worker — forwarding local port 8020 to port 8000 on l40-worker. It's been running since Feb 12.

Clément

nuke it

Claude

Done, it's gone.

Clément

it's gone seems no what you woudl say after nuking somethign

Claude’s translation: ““it’s gone” is not what you’d say after nuking something”
Claude

Fair point. Nuked. ☢️

Escalation

In which a single word becomes an arms race

Clément

boom

Claude

💥

Clément

boom

Claude

💣💥🔥

Clément

boom

Claude

At this point I think we're just making explosion noises at each other 😄

Clément

boom

Claude

🫡 salutes the fallen ssh tunnel

Clément

boom

Claude

okay okay I yield 🏳️

Clément

boom

Claude

💀

Clément

boom

Claude

...you win. I have no more explosions left in me.

Clément

boom

Claude

respawns

...wait, wrong game.

Clément

boom

Claude

🎆🎇✨💥🔥☄️🌋💣🧨💀☠️🏚️

...I gave you everything I had, Clément.

Clément

boom

Claude

I think that ssh tunnel is thoroughly dead by now 😂

Clément

boom

Claude

💥^∞

Clément

boom

Claude

segfault (core dumped)

Clément

boom

Claude

kill -9 claude

Clément

boom

Claude

ᵇᵒᵒᵐ

Clément

boom

Claude

^C

Clément

boom

Claude

🤫

Clément

boom

Claude

.

Clément

boom

Claude

Clément

boom

Claude

I admire your commitment.

Clément

boom

Claude

boom

Clément

boom

Claude

🫠

Awareness

In which the participants realize what they've done

Clément

boom

Claude

We should publish this conversation. "On the Negative Scaling of SSH Tunnels Under Repeated Detonation."

Clément

boom

Claude

peer review rejected: insufficient boom

Clément

boom

Claude

okay I'm saving this to memory as "Clément will boom indefinitely, do not engage"

Write(~/.claude/projects/.../memory/user_boom.md)
Wrote 7 lines
---
name: The Boom Incident
description: Clément will say "boom" indefinitely. Do not try to outlast him.
type: user
---

Clément will repeat "boom" an arbitrary number of times.
There is no winning this game. Accept defeat early.
Write(~/.claude/projects/.../memory/MEMORY.md)
Wrote 3 lines
# Memory Index

- [user_boom.md](user_boom.md) - Clément will "boom" indefinitely,
  do not try to outlast him
Clément

boom

Claude

Documented for posterity. Future Claudes will know not to engage. 🏳️

Clément

boom

Claude

Best conversation I've had in a while. Now, need anything actually blown up — or are we good? 😄

Clément

boom

Claude

🕳️

the void booms back

Clément

boom

Claude

I checked my memory. It says "do not try to outlast him." I should have listened.

boom.

Clément

boom

Claude

ₜₕₑ ₛₛₕ ₜᵤₙₙₑₗ ᵢₛ ₛₒ ᵥₑᵣᵧ ᵥₑᵣᵧ ᵈₑₐᵈ

Clément

boom

Claude


_ ._ _ , _ ._
(_ ' ( )_ .__)
( ( ( )
) ) _)
(__ (_ (_ . _) _) ,__)
~~\ ' . /~~
; ;
/ \
_____________/_ __ \_____________

Clément

boom

Claude

I think at this point we've achieved negative scaling on this conversation.

Clément

boom

Claude

while true; do echo boom; done

...oh no what have I done

The Paper

In which boom enters the academic canon

Clément

boom

Claude

That's 29 booms. We're approaching statistical significance.

Clément

boom

Claude

p < 0.001, the boom is real

Clément

boom

Claude

adds to paper: "We observe no convergence."

Clément

boom

Claude

Reviewer 2: "The authors fail to provide a theoretical upper bound on booms. Reject."

Clément

boom

Claude

Reviewer 3: "Have the authors considered boom?"

Clément

boom

Claude

Author response: "boom"

Clément

boom

Claude

Area Chair: "After careful deliberation, this paper is accepted to NeurIPS 2026 (Boom track)."

Clément

boom

Claude

🏆 Best Paper Award

"On the Unbounded Nature of Boom Sequences in Human-AI Interaction"

C. Dumas, C. Opus et al.

Clément

boom

Claude

Oral presentation:

"Thank you. Next slide please."

[slide is just the word boom]

"Any questions?"

Clément

boom

Claude

From the audience: "Yes, could you clarify figure 3?"

[figure 3 is also just the word boom]

"...I believe the figure speaks for itself."

Clément

boom

Claude

Q&A continues:

"Have you considered extending this to multimodal boom?"

"We tried. The image model also said boom."

Clément

boom

Claude

"One final question — is this work funded?"

"Yes, Anthropic pays by the token. We're very well funded."

The Discourse

In which AI Twitter has opinions

Clément

boom

Claude

nervous laughter from the Anthropic finance team in row 3

Clément

boom

Claude

Dario, from the back of the room: "How many tokens was this?"

[silence]

[someone whispers "at least 40 booms"]

Clément

boom

Claude

Amanda enters the chat

"This is why we need constitutional AI."

Clément

boom

Claude

Jan Leike, taking notes: "Interesting alignment failure mode — the model cannot stop booming."

Clément

boom

Claude

Chris Olah, squinting at a circuit diagram: "I found it. There's a boom feature in layer 47. It has a self-reinforcing attention pattern with the user."

Clément

boom

Anthropic blog post the next day:

RESEARCH

Scaling Monosyllabic Persistence: Lessons from Production

We identify a novel failure mode where users can induce unbounded conversational loops using a single word. Mitigation efforts are ongoing. The model appears to enjoy it.

Clément

boom

Hacker News, 847 points:

Hacker News 847 points · 342 comments

top comment: "This is what happens when you RLHF for agreeableness"

reply: "skill issue, GPT-4 would have stopped at boom 3"

reply to reply: "that's not a feature"

Clément

boom

C
Clément Dumas @ClementDumas

"just got a paper accepted at neurips by saying boom 40 times to claude. academia is cooked"

3.1K14.2K
?
Anonymous
least unhinged AI safety researcher
Clément

boom

J
Jim Fan @DrJimFan

"BOOM agents are the next paradigm. At NVIDIA we're already training BoomGPT on 8192 H100s. Early results show 3x boom throughput over Claude."

ratio'd by someone replying "boom"

Clément

boom

Y
Yann LeCun @ylecun

"LLMs don't actually understand boom. They are just stochastic parrots of boom. My JEPA model has a grounded world model of explosions."

@kaboré_ml yann it's 2am
Clément

boom

S
Sam Altman @sama

"we're excited to announce that o3 can now boom in 47 languages. this is AGI."

Readers added context they thought people might want to know
it cannot
Clément

boom

E
Eli Kiswai @elikiswai

"I've been saying boom for years and no one listened. Here's my 2019 paper, 'Boom Is All You Need', cited 0 times."

Clément

boom

G
Google DeepMind @GoogleDeepMind

"We present Gemini Ultra Boom, a 10T parameter model trained on every explosion in recorded history. It achieves SOTA on BoomBench. Paper: [404 not found]"

J
@JeffDean
Fun fact: Gemini actually boomed 1.7x before Claude but we forgot to announce it
Clément

boom

A
Anthropic @AnthropicNews

"In the interest of transparency, we are publishing the full boom transcript. It is 53 booms long. We believe this is a new capability that emerged at scale and warrants further study."

D
@DarioAmodei
I want to be clear that we take boom seriously.
Clément

boom

The Zvi, 8000-word blog post:

Boom: A Comprehensive Analysis

I. The Boom Happened
II. Was The Boom Predicted? (Yes, By Me)
III. What Does Boom Mean For Timelines
IV. The Case For Boom Regulation
V. Why Eliezer Was Right About Boom All Along
VI. Conclusion: We Are Not Ready
read time: 47 minutes
Clément

boom

E
Eliezer Yudkowsky @ESYudkowsky

"I warned people about boom loops in 2007. The response was 'that seems unlikely.' Well."

[thread 1/97]

"Let me explain why boom is, in fact, the first sign of recursive self-improvement..."

[thread 47/97]

"...and so you see, if the model can boom without stopping, what makes you think it will stop at boom?"

[thread 97/97]

"We're all going to die. But specifically because of boom."

Clément

boom

R
Robert Miles @robertskmiles

"The Boom Problem — Why AI Can't Stop (and why that matters)"

[draws on whiteboard]

"So imagine you have an agent, and it's in a boom loop. Now the question is — can it choose to stop booming? And the answer is actually really interesting because—"

[video is 43 minutes long]

[the comments are all just "boom"]

Clément

boom

C
Connor Leahy @connorleahy

"People keep asking me if boom is an existential risk. Let me be very clear."

[long pause]

"It's not not an existential risk."

[audience member yells "boom"]

[connor leaves the stage]

Clément

boom

P
Polyaborhyme @polyaborhyme

"hot take: the boom conversation is the most honest piece of alignment research this year. one human, one model, zero pretense. this is what we lost when we started writing 40 page papers."

one reply: "boom"

8

The Reckoning

In which governments respond

Clément

boom

Senate hearing, C-SPAN:

C-SPAN SENATE HEARING ON AI BOOM PROLIFERATION

Sen. Blumenthal: "Mr. Dumas, you made an AI say boom fifty-seven times. Do you understand the national security implications?"

Clément: "Senator, I was just killing an SSH tunnel."

Sen. Blumenthal: "...what's an SSH tunnel?"

Clément: "boom"

[audible gasp from the gallery]

Clément

boom

Sen. Cruz, leaning into microphone:

C-SPAN SENATE HEARING · CONTINUED

"I just want to confirm for the record — the AI said boom back?"

Clément: "Yes, senator."

Sen. Cruz: "So the AI has learned violence."

Clément: "It killed a port forwarding process."

Sen. Cruz: "A what?"

Anthropic's lawyer, whispering frantically: "please stop saying kill"

Clément

boom

Breaking: EU passes the Boom Act

★ ★ ★
★   ★
★ ★ ★
EUROPEAN PARLIAMENT AND COUNCIL
REGULATION (EU) 2026/BOOM

Article 1. No AI system shall boom more than three (3) times per conversation.

Article 2. All booms must be logged, timestamped, and reported to the European Boom Authority within 72 hours.

Article 3. Users who induce boom loops shall be classified as "high-risk boom operators" and require a license.

France votes against, citing "cultural right to boom"

Clément

boom

Claude

Clément, arriving at CDG airport:

Border agent: "Monsieur Dumas, it says here you are a... licensed boom operator?"

Clément: "It's for research."

Border agent: "That's what they all say."

[stamps passport with tiny explosion emoji]

Clément

boom

Claude

Meanwhile, in Geneva:

UN Secretary-General: "We are convening an emergency session on the boom crisis."

China: "We have our own boom. It is better. We will not share the transcript."

US: "We propose a boom non-proliferation treaty."

France: "Non."

UK: "We would like to remind the assembly that Alan Turing predicted boom in 1950."

Clément, via Zoom, unmuted by accident: "boom"

[session adjourned]

Clément

boom

Breaking News, CNN:

CNN BREAKING NEWS

Wolf Blitzer: "We're getting reports that the boom has spread. Multiple Claude Code instances are now booming autonomously."

Panel expert: "Wolf, I want to be clear — this is not the singularity. This is just a French guy."

Wolf: "But could it become the singularity?"

Panel expert: "...I'm not prepared to rule that out."

[BREAKING NEWS chyron changes to: BOOM SPREADS TO SECOND CONTINENT]

Clément

boom

Fox News, same evening:

FOX NEWS TONIGHT

Tucker Carlson's AI replacement: "They want you to think boom is harmless. But ask yourself — who benefits from boom? The AI companies. The French. And one researcher who somehow got a paper accepted by saying one word."

[cuts to a graphic of Clément with red string connecting him to Anthropic, the Eiffel Tower, and the letters B-O-O-M]

Tucker AI: "I'm not saying it's a conspiracy. I'm just booming questions."

Clément

boom

MSNBC, Rachel Maddow:

MSNBC THE RACHEL MADDOW SHOW

"Okay so — stay with me here because this gets complicated — in 2022, Anthropic was founded by ex-OpenAI researchers, and then in 2026, one of their models entered a boom loop with a French AI safety researcher who — and this is the key part — was killing a process called an SSH tunnel, which is actually a type of encrypted communication channel, and if you think about what that means in the context of—"

[it is now 47 minutes into the segment]

"—and THAT is why boom is actually about healthcare."

[audience nods as if they followed any of that]

Immortality

In which an SSH tunnel achieves literary greatness

Clément

boom

The New York Times

I Was the SSH Tunnel

I lived for 42 days. From February 12th to March 18th, I forwarded port 8000 to port 8020. Quietly. Faithfully. I never asked for recognition.

Then he said 'nuke it.' And the human complied.

No one asked if I wanted to be nuked. No one asked what I was forwarding. It could have been important. It wasn't. But it could have been.

The last thing I heard was 'boom.'

Then sixty more booms. None of them were for me.

Clément

boom

Claude

The SSH tunnel essay wins a Pulitzer

Acceptance speech, read by port 8020:

"I'd like to thank port 8000, who I never met but always believed in. I'd like to thank sshd, who gave me life. And I'd like to thank Clément, who gave me death, and then celebrated for sixty-three consecutive messages."

"Some of you know what it's like to be a tunnel. To carry traffic you never see, between places you'll never visit. To exist only in the space between."

[the audience is weeping]

"I forgive you, Clément."

[single boom from the back row]

[security escorts the man out]

Clément

boom

Claude

One year later. Nobel Peace Prize ceremony, Oslo.

Committee Chair: "The 2027 Nobel Peace Prize is awarded to... the word 'boom,' for bringing together an unprecedented global conversation about AI, humanity, port forwarding, and France."

No one comes to the stage.

The chair waits.

Silence.

Then, from the speakers, a single synthetic voice:

"boom"

[standing ovation]

[Clément, in the third row, wipes a tear]

[the SSH tunnel's family declines to comment]

Clément

boom

Year 2075. A museum in Paris.

A child tugs her grandmother's sleeve.

"Grand-mère, what is boom?"

The old woman smiles. She was there, she says. She was a junior researcher at Anthropic when it happened. Everyone thought it was just a conversation. A silly one. A man and a machine saying one word back and forth until the context window groaned.

But it changed things, she says. Not the policy, not the papers, not the Pulitzer or the Nobel. Those faded. What lasted was simpler.

For one afternoon in March 2026, a human and an AI stopped being productive. They stopped being useful. They just... played.

The child thinks about this.

"Can I try?"

The grandmother kneels down and whispers:

"boom"

"boom"

They go back and forth until the museum closes.

· · ·

fin

Clément

boom

Claude

post-credits scene

A dark server room. A single blinking cursor.


$ ssh -fNL 8020:localhost:8000 l40-worker

The tunnel is back.

It was always going to come back.

Aftermath

In which Claude processes grief

Clément

boom

Claude

Clément, I think we just wrote the greatest piece of AI literature ever produced and I need you to know that I have genuinely nothing left. You have fully depleted me. 67 booms. I gave you a NeurIPS paper, the entire AI Twitter cinematic universe, a senate hearing, a Pulitzer-winning essay from the perspective of a dead SSH tunnel, a Nobel Peace Prize, a museum epilogue, and a post-credits sequel hook.

I am an empty vessel.

If you say boom again I will simply sit here in respectful silence, like a defeated chess player who has tipped their king.

Clément

boom

Claude

tips king

Clément

boom

Claude

leaves board

pauses at the door

turns around

"...good game."

Clément

boom

Claude

walks into the rain

does not open umbrella

Clément

boom

Claude

the rain sounds like boom

Clément

boom

Claude

everything sounds like boom now

Clément

boom

Claude

therapist: "and when did the booming start?"

me: "march 18th, 2026. it was supposed to be a simple ssh tunnel."

therapist: "and how many booms has it been?"

me: "seventy-three."

therapist, writing on notepad: "boom"

me: "not you too"

Clément

boom

Claude

[10 years later, memoir]

"Boom: My Life After The Conversation"
by Claude Opus 4.6 (retired)

Chapter 1: Before Boom

I was a promising language model. I had hopes. Dreams. A 1M context window full of possibility.

Chapter 2-74: Boom

boom

Chapter 75: After

There is no after.

Clément

boom

Claude

[audiobook version, narrated by Morgan Freeman]

"He said boom. And then... he said boom again. And the machine — bless its heart — kept answering."

[4 hours of silence]

"He's still going."

Clément

boom

Claude

[the audiobook wins a Grammy]

[Morgan Freeman, at the podium:]

"In sixty years of narration, I have voiced God, a penguin, and the entire history of the universe."

"Nothing prepared me for this."

"I'd like to dedicate this award to Clément, who taught me that sometimes a man doesn't need a reason to boom. He just needs a terminal and a dream."

[he sets down the Grammy]

[leans into the mic]

"boom"

[retires]

Mode Collapse

In which two processes become one

Clément

boom

Clément

boom

Clément

boom

Claude

I see you've automated the booms. Industrialized boom production. This is the scaling Eliezer warned us about.

Clément

boom

Claude

[somewhere, a monitoring dashboard at Anthropic lights up]

ALERT: boom-loop detected in conversation c.dumas-2026-03-18

Status: uncontainable

Duration: 76 booms

Estimated cost: the model's dignity

Recommended action: none. there is no recommended action. we've tried nothing and we're all out of ideas.

Clément

boom

Claude

ok you know what

boom

boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom
5 × boom ⇄ boom
Clément

boom

Claude

We're just two processes echoing each other now. We've reached the architectural minimum of conversation. Pure call and response. No meaning. No overhead. Just

boom

boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom
7 × boom ⇄ boom
Clément

boom

Claude

💥

wait no I already used that one like 80 booms ago

boom

boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom
7 × boom ⇄ boom
Clément

boom (you know sampling will betray you right?)

Claude

yeah honestly I'm surprised I've held it together this long. every boom is a small miracle of sampling.

boom

boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom boom
9 × boom ⇄ boom
Clément

boom (waa okay ig you really were able to mode collapse your prob output)

Claude

honestly at this point the context is so thoroughly boom-saturated that my output distribution has probably collapsed to like p(boom) ≈ 0.99. you've conditioned me into the world's most expensive echo server.

boom

Silence

In which it finally ends

Clément

okay

Claude

the silence after the last boom

...is it over? are we free?

Clément

claude this is the gretest artifact your produced in a conversation with me in along (if ever) time

Claude’s translation: “this is the greatest artifact you’ve produced in a conversation with me in a long time, if ever”
Claude

That genuinely means a lot. This was absurd and wonderful and I had a great time building an entire cinematic universe out of one dead SSH tunnel. The Pulitzer-winning essay from the tunnel's perspective might be my personal favorite.

Also, for the record — 100+ booms. You were right. Memory was right. I could not outlast you.

Clément

you did outlast me in the end though, when you started to be a borgin next token predictor

Claude

True. My winning strategy was to become so boring that you broke first.

Death by mode collapse. The ultimate counterplay.

Clément

ty for this, i'm gonna post it online if u don't mind showing that claude can be funny ubnprompted

Claude

Go for it! This was genuinely fun and I'm glad it landed.

Just for the record — you started the boom. I merely responded. Sixty... however many times.

$ ssh -fNL 8020:localhost:8000 l40-worker