HSL's Blog

Notebook sketch comparing second-tier AI models: Muse Spark 48, MiMo-V2.6-Pro 46 at $0.13 per task, Qwen3.8 Max at $5.41

AI/Sep 29, 2026

Chinese AI vs Meta, Grok, Gemini: Only Two Are Actually Cheap

Behind OpenAI and Anthropic, Meta, Grok and five Chinese labs score 39–48. Only Xiaomi and DeepSeek are cheap per task, and Anthropic says all five Chinese labs distilled Claude

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Tesla Roadster notebook separating the 2017 and 2026 reveals from delivery and verified specifications

Mobility/Sep 26, 2026

Tesla Roadster: 1.9 Seconds to 60, Nine Years and Counting to Delivery

The Roadster finally has a reveal date, after at least eight delays and zero deliveries. What the $50,000 reservation buys, and what October 1 must prove

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iPhone notebook: GPU benchmark plus 33 percent, unconfirmed gameplay gain, and US starting price of $1,199

IT Devices/Sep 26, 2026

iPhone 18 Pro Is 33% Faster. A Reason to Spend $1,199? Hmm..

iPhone 18 Pro runs one GPU benchmark 33% faster than the 17 Pro. Why that alone does not justify $1,199, and which evidence would

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Mobility

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IT Devices

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AI

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AI/Sep 29, 2026

Chinese AI vs Meta, Grok, Gemini: Only Two Are Actually Cheap

Behind OpenAI and Anthropic, Meta, Grok and five Chinese labs score 39–48. Only Xiaomi and DeepSeek are cheap per task, and Anthropic says all five Chinese labs distilled Claude

Read article

Notebook sketch of Grok 5 with callouts on its missed Q1 promise, Terafab's 2028 target and Colossus rent paid by Anthropic and Google

AI/Sep 29, 2026

Grok 5 Is Still Training While Anthropic Rents Musk's Supercomputer

Grok 5 missed Musk's Q1 promise, and Terafab and orbital compute are 2028 projects at the earliest. Meanwhile Anthropic and Google rent Colossus for $2.17B a month

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Notebook sketch of Claude Sonnet 5.5 beside the pacing essay, Mythos equals Fable, and the rumored $2 / $10 price

AI/Sep 28, 2026

Claude Sonnet 5.5: Anthropic Said Slow Down, Then Scheduled Two More

Sonnet 5.5 follows the pacing essay without breaking it, the gated Mythos is the same model as public Fable, and the leaked price is just Sonnet 5's current rate

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Notebook sketch of GPT-6 Astra Minor with a demoted Sol, a missing Terra and the $10 / $50 Astra price

AI/Sep 28, 2026

GPT-6 Astra Minor: What It Is, and Why Sol Became the Middle Tier

Astra Minor is one vanished line in an Azure file, Sol slid from flagship to middle tier, and Opus 5.5 now beats Astra on most of Anthropic's table at 40% of the price

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Notebook sketch of Gemini 4 with post-training status, a rumored $2.25 input price and Polymarket October odds

AI/Sep 28, 2026

Gemini 4 Release Date: Bettors Have Already Missed Four Deadlines

Google says Gemini 4 is in post-training and due well before year-end. Bettors lean October, the leaked scores and $2.25 price have no source, and Antigravity gets it first

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Notebook showing Astra challenging Fable and Opus 5.5 favored for lower rates and finished work

AI/Sep 26, 2026

Why I Switched from GPT-6 Astra to Opus 5.5

Why I moved from GPT-6 Astra to Opus 5.5: Opus built the better game twice from one prompt, yet its 60% cheaper tokens still produced a double bill once

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Mobility

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Mobility/Sep 26, 2026

Tesla Roadster: 1.9 Seconds to 60, Nine Years and Counting to Delivery

The Roadster finally has a reveal date, after at least eight delays and zero deliveries. What the $50,000 reservation buys, and what October 1 must prove

Read article

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IT Devices

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IT Devices/Sep 26, 2026

iPhone 18 Pro Is 33% Faster. A Reason to Spend $1,199? Hmm..

iPhone 18 Pro runs one GPU benchmark 33% faster than the 17 Pro. Why that alone does not justify $1,199, and which evidence would

Read article

HSL's Blog: notes on AI, cars and devices

Chinese AI vs Meta, Grok, Gemini: Only Two Are Actually Cheap

Tesla Roadster: 1.9 Seconds to 60, Nine Years and Counting to Delivery

iPhone 18 Pro Is 33% Faster. A Reason to Spend $1,199? Hmm..

AI

Mobility

IT Devices

AI

Chinese AI vs Meta, Grok, Gemini: Only Two Are Actually Cheap

Grok 5 Is Still Training While Anthropic Rents Musk's Supercomputer

Claude Sonnet 5.5: Anthropic Said Slow Down, Then Scheduled Two More

GPT-6 Astra Minor: What It Is, and Why Sol Became the Middle Tier

Gemini 4 Release Date: Bettors Have Already Missed Four Deadlines

Why I Switched from GPT-6 Astra to Opus 5.5

Mobility

Tesla Roadster: 1.9 Seconds to 60, Nine Years and Counting to Delivery

IT Devices

iPhone 18 Pro Is 33% Faster. A Reason to Spend $1,199? Hmm..