
SpaceXAI Releases Grok 4.5 as High-Efficiency Opus-Class AI Model
SpaceXAI debuts Grok 4.5, a high-efficiency model designed to rival Anthropic's Opus 4.7 with significant cost savings and faster processing speeds.
What changed. Why it matters. What to watch next.
Topic hub
Follow recurring coverage on Anthropic with related reporting and recent developments that make the topic easier to track over time.
19 articles in this hub

SpaceXAI debuts Grok 4.5, a high-efficiency model designed to rival Anthropic's Opus 4.7 with significant cost savings and faster processing speeds.

Following weeks of regulatory friction, the Department of Commerce has removed export barriers for Anthropic’s flagship technology. Global access to the

The new beta feature acts as a proactive teammate that tracks organizational knowledge and automates tasks directly within chat channels.

The company disabled its Fable 5 and Mythos 5 models following a sudden export control order citing national security risks.

Federal authorities forced the removal of Fable 5 and Mythos 5 models after researchers allegedly bypassed safety guardrails.

The new model offers advanced reasoning and vision but requires a 30-day data retention period for all users to monitor for novel security threats.

The productivity platform resumed its AI integrations after a temporary infrastructure failure at Anthropic caused high error rates for Claude users.

As enterprise AI consumption outpaces financial projections, a new standards body and specialized tools are emerging to impose cost discipline on

Following a massive $65 billion private funding round, the AI startup is moving toward a public listing despite growing industry skepticism regarding

The Stockholm-based vibe-coding startup will gain expanded access to Anthropic’s Claude and Google’s Gemini models while integrating Wiz security.

The AI startup submitted a draft registration to the SEC following a $65 billion funding round and a massive surge in annual revenue run-rate.

The space exploration leader's S-1 filing details a valuation target that would make it the largest IPO in American history, supported by a $28 trillion

The AI startup told investors it expects to double revenue to nearly $11 billion in the second quarter, reaching a key milestone in the race for market

The Alphabet spinout is making its physics-grounded drug discovery tools accessible through a natural language interface, removing the need for specialized
A prominent venture capitalist warns of a frenetic atmosphere in San Francisco as a small group of AI insiders achieves massive wealth while the broader

Legal proceedings between Elon Musk and Sam Altman conclude while a new generation of startups led by Musk alumni reshapes the venture capital landscape.

OpenAI CEO Sam Altman confirmed that the company’s new cybersecurity-specific model will only be available to verified defenders through a vetted

The AI company is reportedly asking investors to finalize allocations for a $50 billion round that could surpass OpenAI's private market value.

While OpenAI prepares for a massive IPO, industry professionals at HumanX indicate a growing preference for Claude due to perceived reliability and
Open the latest feed or move into a category desk for the broader news stream.