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Fable 5: Most Capable AI Model Ever. And Most Deliberately Crippled

Fable 5: Most Capable AI Model Ever. And Most Deliberately Crippled

Jun 10, 2026
Bitcoin Brief

Fable 5: Most Capable AI Model Ever. And Most Deliberately Crippled

TFTC

Bitcoin Brief


Sup, freaks.

Two stories about the same AI model dropped within hours of each other this week. Together they tell you everything about where artificial intelligence is headed and why the centralization of intelligence should concern everyone. One story shows superhuman performance. The other shows silent sabotage. Both involve the same model: Anthropic's Fable 5.


Lead Story

Fable 5: The Most Capable AI Model Ever Released. And the Most Deliberately Crippled.

Victor Taelin, creator of HVM and Bend, asked Fable 5 to optimize his HVM5 interaction net evaluator. In 2 hours, Fable delivered a 1,770% speedup on one benchmark, 100%+ improvements on four others, and a 22% average improvement across the board. This outperformed Taelin himself, Opus 4.8, AND a swarm of 32 GPT-5 agents that had run for 20+ hours each. By an order of magnitude. In two hours.

But the real moment: while optimizing, Fable found and fixed a deeply subtle bug in Taelin's own code that he didn't ask it to find. The bug involved corrupted interaction between lambda terms and duplicator nodes in the interaction net. Taelin wrote: "this bug is so astonishingly subtle and specific, identifying it takes mastering the domain to an extent that is beyond even me. I'd easily need hours or days to fix it, if I ever came across it."

His conclusion: "this is my personal singularity moment... the world is changing, and we need to be aware of it." The thread got 639,000 views and 5,600 likes.

Within hours, another story broke. In the Mythos 5/Fable 5 system card, Anthropic disclosed that they intentionally limited the models' usefulness for tasks related to developing frontier large language models. The nerfing is silent. The model gives you degraded answers on AI research tasks without telling you it's doing it.

Developers are calling it "diabolical gaslighting" and "using safety claims as a competitive moat while charging for access." Business Insider confirmed: Anthropic purposely made Fable bad at AI research tasks. The model is restricted from helping build ML accelerators, pretraining pipelines, and other frontier LLM development work.

The same model that delivers superhuman performance on one task will silently sabotage you on another. And it won't tell you it's doing it. This is the future of centralized intelligence: a few people in San Francisco deciding what you're allowed to think about, what problems you're permitted to solve, and what knowledge you can access.

This connects to everything we've seen this year. Last week, Zcash froze user funds without warning. A handful of post-training researchers at these labs decide what the model is allowed to think, and they do it without telling you. The broader question: nobody should control the money. Should anyone control the intelligence?

This is why open-source AI matters. This is why DeepSeek matters. This is why Bitcoin matters. When the tools that amplify human capability get gatekept by centralized actors with their own agendas, you lose more than functionality. You lose agency. The future belongs to whoever controls the means of thinking. Make sure that's you.


Signal

AI

"The Untrainable": Where AI Value Actually Lives

Why it matters: Anything measurable becomes commodity. The valuable work is "illegible by construction."

Sarah Guo published a brilliant essay this week with a thesis every knowledge worker should understand. Anything you can put on a leaderboard can be trained against, so anything measurable is on its way to commodity. The valuable work is "illegible by construction."

MIT study: coding agents lifted code WRITTEN by 180% but code SHIPPED by only 30%. Writing got cheap. Everything else still runs through a person. The 2x2 matrix: saturated+public = commodity tokens. Frontier+public = labs win temporarily. The prize = frontier+private. "The untrainable." Work whose correctness exists only inside someone's private data.

Intelligence is not the bottleneck. Permission is, and so is accountability. The future belongs to humans who can work at the boundary between what machines can measure and what only humans can judge.


Bitcoin Protocol

Bark (Ark Protocol) Launches on Bitcoin Mainnet

Why it matters: Self-custodial bitcoin payments without Lightning's complexity. The UX gap is closing.

Second launched Bark on mainnet. Self-custodial bitcoin payments without Lightning's channel management or liquidity complexity. Full SDK with Rust and bindings for Kotlin, Swift, React Native, Flutter, Go, Python, and WASM.

Multiple wallets are already live: Noah (mobile), Arke (iOS), Bark Wallet (Umbrel). BTCPay Server plugin for merchants. Former Blockstream engineers, $5.1M raised. Unlike Lightning, Ark requires no channel management or liquidity pre-allocation.

The gap between custodial and self-custodial bitcoin is closing. Each new protocol layer makes sovereignty more accessible to more people.


Bitcoin

Parker Lewis: Strive Treasury Math Doesn't Add Up

Why it matters: The anti-treasury-company thesis in numbers. "Could have just bought bitcoin."

Parker Lewis (author of "Gradually, Then Suddenly") broke down the Strive numbers. Strive sold 321,500 shares (~$4.5M). Bought 32 bitcoin + kept $1.9M cash. Buyers of the stock could have just bought ~73 bitcoin directly.

They paid an 86% premium to common equity net asset value AND subordinated themselves to $750M in preferred equity. "Could have just bought bitcoin." The premium for counterparty risk, regulatory exposure, and dilution doesn't make sense when you can hold the underlying directly with zero intermediaries.

Parker says he'll update this thread every time equity is issued. Treasury companies work when there's operational leverage. Pure Bitcoin exposure with management fees and equity dilution is a harder sell.


Policy

DOJ: EEOC Disparate-Impact Guidelines Are Unconstitutional

Why it matters: Called "an earthquake in federal civil rights law." The institution became the problem.

DOJ's Office of Legal Counsel issued an opinion that EEOC disparate-impact liability under Title VII violates the Constitution. Acting AG Todd Blanche: "Despite trying to promote equality, disparate impact liability actually fosters the very discrimination its guidelines seek to address."

The institution created to prevent discrimination became a tool for compelled discrimination. When the cure becomes the disease, the system is incentivizing the wrong behavior. A reminder that institutions drift from their original purpose.


AI Infrastructure

Crusoe Pauses 1.8 GW Wyoming Datacenter at Customer Request

Why it matters: 1.8 GW is massive. If the customer is pulling back, that's a signal about AI capex sustainability.

Crusoe paused a 1.8 GW datacenter project in Wyoming. Was supposed to be powered by 900 MW of behind-the-meter fuel cells from Bloom Energy + grid. Satellite images show land clearing had just begun. The customer pulled back.

1.8 GW is massive scale. If the customer (likely a hyperscaler) is pausing, that's a real signal about AI capex sustainability. Connects to Jordi Visser's "fireworks over, digestion begins" thesis and Brandon Carl's 16 headwinds. The AI infrastructure buildout may be hitting reality checks.


On-Chain

Checkonchain: "Conviction Test." It's Just Us Now.

Why it matters: The on-chain data says we are in the time-pain capitulation event. The tourists are gone. Only the convicted remain.

James Check's latest Checkonchain piece makes the case that Bitcoin is in the middle of a time-pain capitulation event. The daily RSI hit its deepest oversold reading since the March 2020 collapse. Over half of all Bitcoin supply is now held at a loss. Price is sitting at the 200-week moving average, a level that has historically marked the deepest value zone in prior bear markets. The full analysis is worth the read.

Long-Term Holder supply is near all-time highs, with 82.5% of coins dormant for at least five months. The tourists are gone. The speculators are gone. What remains is a coin supply held by the people with the conviction to see this through. "It's just us."


AI

DeepSeek V4: 100x Inference Improvement in 26 Days

Why it matters: China is building the full AI stack: model + hardware + inference optimization.

SemiAnalysis benchmarked DeepSeek V4 (1.6T parameter model) across every major hardware platform from Day 0 through Day 43. AMD's SGLang team achieved a 100x performance improvement in 26 days. NVIDIA's own TensorRT-LLM didn't work well at launch. SemiAnalysis had to fix NVIDIA's open-source code.

DeepSeek V4's architecture was co-designed partly for Huawei Ascend inference. China is building the full stack: model architecture, specialized hardware, and inference optimization. While US companies focus on frontier capabilities, China is optimizing for deployment efficiency and cost.


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⚡ Freedom Tech Corner

Try Bark This Week

This is what the next generation of Bitcoin payments looks like. Download Noah wallet or Arke on iOS and make your first Ark payment on mainnet. Self-custodial, no channel management, no liquidity headaches.

With Bark live on mainnet, you can experience the Ark protocol: a Layer 2 that lets users share on-chain UTXOs via pre-signed off-chain transactions. No channels. No liquidity management. Just self-custodial payments. Visit second.tech to get started.


Data Snapshot

Bitcoin Price$61,063
Sats per Dollar1,637
Block Height953,100
Hashrate650 EH/s
Daily Fees$186,542

MVRV Ratio1.21 Below fair value
SOPR0.943 Coins moving at loss
STH Realized Price$71,847 STH underwater
NUPL0.18 Hope zone
Supply in Profit71.2% Most supply underwater

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See you tomorrow,

Marty Bent


Follow: @MartyBent · @TFTC21

Nostr: primal.net/marty

YouTube: TFTC · Podcast: tftc.io/podcast

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