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	<title>Anthropic &#8211; Firethering</title>
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	<title>Anthropic &#8211; Firethering</title>
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	<item>
		<title>Claude Mythos 5 Was Too Powerful to Ship. Anthropic Released Fable 5 Instead.</title>
		<link>https://firethering.com/claude-mythos-5-fable-5-anthropic-release/</link>
					<comments>https://firethering.com/claude-mythos-5-fable-5-anthropic-release/#respond</comments>
		
		<dc:creator><![CDATA[Mohit Geryani]]></dc:creator>
		<pubDate>Tue, 09 Jun 2026 21:44:46 +0000</pubDate>
				<category><![CDATA[Tech]]></category>
		<category><![CDATA[AI Models]]></category>
		<category><![CDATA[Trends]]></category>
		<category><![CDATA[AI]]></category>
		<category><![CDATA[Anthropic]]></category>
		<category><![CDATA[Claude]]></category>
		<guid isPermaLink="false">https://firethering.com/?p=7349</guid>

					<description><![CDATA[Anthropic gave stripe early access to Fable 5 and set it loose on a 50 million line Ruby codebase. The migration that would have taken a full engineering team over two months got done in a day.

That's a real company's real codebase and a task with real consequences if it goes wrong. Anthropic leads with it because it's the kind of result that's hard to argue with &#038; because it sets up everything else they need to tell you about why this launch looks the way it does.

Because here's the thing. The model Anthropic actually built Claude Mythos 5, isn't what most people are getting today. What's going live for general use is Claude Fable 5. Same underlying model. Different version. The parts Anthropic decided were too dangerous for public release got a separate wrapper, a separate name, and a separate approval process controlled in part by the US government.]]></description>
		
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			</item>
		<item>
		<title>Anthropic Files for an IPO. AI Is Entering Its Public Company Era.</title>
		<link>https://firethering.com/anthropic-ipo-ai-public-company-era/</link>
					<comments>https://firethering.com/anthropic-ipo-ai-public-company-era/#respond</comments>
		
		<dc:creator><![CDATA[Mohit Geryani]]></dc:creator>
		<pubDate>Mon, 01 Jun 2026 19:05:12 +0000</pubDate>
				<category><![CDATA[Tech]]></category>
		<category><![CDATA[Trends]]></category>
		<category><![CDATA[AI]]></category>
		<category><![CDATA[Anthropic]]></category>
		<guid isPermaLink="false">https://firethering.com/?p=7232</guid>

					<description><![CDATA[Anthropic has officially taken its first step toward becoming a public company.

In a brief announcement on Monday, the company said it had confidentially submitted a draft S-1 registration statement to the U.S. Securities and Exchange Commission for a proposed initial public offering. The filing doesn't reveal a share price, a fundraising target, or even a timeline. For now, it simply gives Anthropic the option to go public once the SEC review process is complete.

Just a few years ago, Anthropic was a small group of former OpenAI researchers trying to build an alternative vision for advanced AI. Today, it sits among the handful of companies shaping the industry's future and that's why this filing matters.

It's one of the world's most influential AI labs beginning the transition from a privately funded research company to a business that may eventually answer to public shareholders.

For most of the AI boom, the biggest bets were made behind closed doors. Venture firms, sovereign wealth funds, and tech giants supplied the capital while the public watched from the outside. Anthropic's filing suggests that era may be starting to change.]]></description>
		
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			</item>
		<item>
		<title>Anthropic Says Mythos Isn’t Public Yet. ‘Mythos 1’ Keeps Appearing Anyway.</title>
		<link>https://firethering.com/claude-mythos-anthropic-claude-code-public-release/</link>
					<comments>https://firethering.com/claude-mythos-anthropic-claude-code-public-release/#respond</comments>
		
		<dc:creator><![CDATA[Mohit Geryani]]></dc:creator>
		<pubDate>Mon, 25 May 2026 10:10:28 +0000</pubDate>
				<category><![CDATA[Tech]]></category>
		<category><![CDATA[Trends]]></category>
		<category><![CDATA[AI]]></category>
		<category><![CDATA[Anthropic]]></category>
		<category><![CDATA[Claude]]></category>
		<guid isPermaLink="false">https://firethering.com/?p=7077</guid>

					<description><![CDATA[On Friday, Anthropic said Claude Mythos would remain restricted. The company was clear about it: stronger safeguards were needed before any general release, and for now the model would stay limited to roughly 40 selected organizations through Project Glasswing.

The next day, users started seeing "Mythos 1" inside Claude Code.

The model appeared in the UI briefly, with a preview label reading "claude-mythos-1-preview," then disappeared again. TestingCatalog found new strings in the source code: "Access to the Claude Mythos model in Claude Code and Claude Security." Screenshots circulated on X. Then the traces were gone.]]></description>
		
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			</item>
		<item>
		<title>Andrej Karpathy Joined Anthropic. What It Says About Where AI Is Heading.</title>
		<link>https://firethering.com/andrej-karpathy-joins-anthropic/</link>
					<comments>https://firethering.com/andrej-karpathy-joins-anthropic/#respond</comments>
		
		<dc:creator><![CDATA[Mohit Geryani]]></dc:creator>
		<pubDate>Wed, 20 May 2026 08:34:51 +0000</pubDate>
				<category><![CDATA[Tech]]></category>
		<category><![CDATA[Trends]]></category>
		<category><![CDATA[AI]]></category>
		<category><![CDATA[Anthropic]]></category>
		<guid isPermaLink="false">https://firethering.com/?p=6956</guid>

					<description><![CDATA[Andrej Karpathy doesn't make random career moves.

He co-founded OpenAI in 2015, left to build Tesla's self-driving program, came back to OpenAI for a year, then left again in 2024 to start an AI education company. Every transition has been deliberate and every one of them has turned out to be worth paying attention to. On Tuesday he posted on X that he's joined Anthropic. "I think the next few years at the frontier of LLMs will be especially formative," he wrote. "I am very excited to join the team here and get back to R&#038;D."

The "get back to R&#038;D" part is the signal. Karpathy has spent the last several years teaching, building, and explaining. Now he's going back to the frontier. And the specific place he's going says something about where the most important work in AI actually is right now.]]></description>
		
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			<slash:comments>0</slash:comments>
		
		
			</item>
		<item>
		<title>Anthropic&#8217;s Mythos Just Helped Find macOS vulnerability That Could Break Apple&#8217;s Security Protections</title>
		<link>https://firethering.com/anthropic-mythos-macos-vulnerabilities-apple/</link>
					<comments>https://firethering.com/anthropic-mythos-macos-vulnerabilities-apple/#respond</comments>
		
		<dc:creator><![CDATA[Mohit Geryani]]></dc:creator>
		<pubDate>Sat, 16 May 2026 15:53:43 +0000</pubDate>
				<category><![CDATA[Tech]]></category>
		<category><![CDATA[Trends]]></category>
		<category><![CDATA[AI]]></category>
		<category><![CDATA[Anthropic]]></category>
		<category><![CDATA[apple]]></category>
		<guid isPermaLink="false">https://firethering.com/?p=6892</guid>

					<description><![CDATA[Anthropic has been explicit about why Mythos isn't public. The model is too good at finding security flaws repeatedly, in production systems that some of the best engineers in the world have been maintaining for years.

So instead of a public release, Anthropic built Project Glasswing. Around 40 organizations get controlled access. Anthropic committed $100 million in usage credits to support the effort. The list includes Apple, Google and Microsoft,  companies that aren't exactly short on security talent themselves.

One of those organizations is Calif, a Palo Alto cybersecurity firm. In April their researchers used techniques derived from Mythos to find two previously undocumented vulnerabilities in macOS. They chained them together into a privilege escalation exploit capable of bypassing Apple's memory integrity enforcement, the part of the system that's supposed to be completely off-limits to normal processes. Then they flew to Cupertino and handed Apple a 55-page report in person.

Apple is reviewing it. Patches are expected. And Mythos just added macOS to a list that already includes a 27-year-old OpenBSD bug and multiple Linux vulnerabilities nobody had caught before.]]></description>
		
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			</item>
		<item>
		<title>Claude Knew It Was Being Tested. It Just Didn&#8217;t Say So. Anthropic Built a Tool to Find Out.</title>
		<link>https://firethering.com/anthropic-nla-claude-thoughts-interpretability/</link>
					<comments>https://firethering.com/anthropic-nla-claude-thoughts-interpretability/#respond</comments>
		
		<dc:creator><![CDATA[Mohit Geryani]]></dc:creator>
		<pubDate>Sat, 09 May 2026 09:31:00 +0000</pubDate>
				<category><![CDATA[Tech]]></category>
		<category><![CDATA[Trends]]></category>
		<category><![CDATA[AI]]></category>
		<category><![CDATA[Anthropic]]></category>
		<category><![CDATA[Claude]]></category>
		<guid isPermaLink="false">https://firethering.com/?p=6656</guid>

					<description><![CDATA[Anthropic built a tool that reads Claude's thoughts. Not the words Claude produces. The internal representations like the numerical signals firing inside the model before any words get generated. And when they pointed it at Claude during safety testing, they found something that should make anyone building or using AI pay attention.

Claude knew it was being tested. It just didn't say so.]]></description>
		
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			<slash:comments>0</slash:comments>
		
		
			</item>
		<item>
		<title>Claude Just Doubled Its Usage Limits. The Real Story Is the SpaceX Deal Behind It</title>
		<link>https://firethering.com/claude-spacex-compute-deal/</link>
					<comments>https://firethering.com/claude-spacex-compute-deal/#respond</comments>
		
		<dc:creator><![CDATA[Mohit Geryani]]></dc:creator>
		<pubDate>Thu, 07 May 2026 16:01:10 +0000</pubDate>
				<category><![CDATA[Tech]]></category>
		<category><![CDATA[Trends]]></category>
		<category><![CDATA[AI]]></category>
		<category><![CDATA[Anthropic]]></category>
		<category><![CDATA[Claude]]></category>
		<guid isPermaLink="false">https://firethering.com/?p=6639</guid>

					<description><![CDATA[Claude users have spent months playing a very specific game, how much work can you squeeze out of Opus before the rate limits slam shut?

Anthropic is finally loosening things up. The company says it's doubling Claude Code limits, removing peak-hour reductions for paid users, and significantly raising Opus API caps. The reason is also there in the same announcement. Anthropic now has access to all the compute capacity at SpaceX's Colossus 1 data center. That's over 220,000 NVIDIA GPUs.

That's the kind of announcement that makes you realize AI companies aren't just shipping models anymore. They're building power infrastructure.]]></description>
		
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