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Meta Superintelligence Labs product head Nat Friedman said on X that Muse, Meta's AI product, was 'heavily inspired' by the open-source OpenClaw but was 'built from scratch.' The admission followed viral claims from users, including AI app co-founder Ansh Nanda, that Muse resembled a consumer-friendly version of OpenClaw, citing shared file structures like SOUL.md.
A security industry blog post traces SAML's origins as a 2002 OASIS committee standard built on XML, arguing it powered the early single sign-on industry but has since become overly complex and fragile. The piece, citing security researcher Thomas Ptacek, contends SAML's reliance on XML signature validation makes real-world implementations difficult to secure, and calls for organizations to move to newer alternatives like OpenID Connect (OIDC).
OpenAI launched GPT-6 Sol and GPT-6 Luna, follow-ups to its 5.6 models and companions to the recently released GPT-6 Astra, aimed at giving businesses and developers Astra-level capability at lower cost with higher usage limits. Anthropic simultaneously released Claude Opus 5.5, which it says matches Fable 5.1's performance while cutting costs nearly 40% compared to Opus 5, and calls its most aligned model yet.
An Entrepreneur contributor writing about ecommerce optimization warns that many online store pages render prices, inventory and specs using JavaScript, which most AI crawlers cannot execute. As a result, pages that rank well on Google may return blank or incomplete data to AI shopping assistants like ChatGPT, effectively excluding those products from AI-generated recommendations. The piece cites OpenAI's research team estimating roughly 50 million daily shopping-related queries on ChatGPT alone.
OpenAI added two new GPT-6 tiers, Sol and Luna, cutting API prices by 50% versus GPT-5.6 promotional rates, with Sol built for complex coding tasks and Luna aimed at high-volume document work. Anthropic released Claude Opus 5.5, a more token-efficient model it says costs about 40% less to run than Opus 5.
OpenAI has rolled out two new GPT-6 tier models, Sol and Luna, to Codex and ChatGPT Work following its earlier release of the flagship GPT-6 Astra model this month. Both models use fewer tokens than their GPT-5.6 equivalents, with Sol aimed at complex coding and agentic tasks and Luna suited to high-volume, focused work. The rollout covers Plus, Pro, Business, Enterprise and Edu accounts, with Free and Go users able to access Luna via the desktop app, though Enterprise admins must enable access.
OpenAI has updated its smaller GPT-6 models, Sol and Luna, following this month's launch of the flagship GPT-6 Astra. The company says API access to the new Sol and Luna models costs half as much as the previous 5.6 series, citing gains in caching and inference, and claims GPT-6 Sol makes roughly half as many factual mistakes as its predecessor while also reducing coding errors.
An opinion column argues that when a named author does little more than type a prompt and approve the output, the resulting work amounts to substitution rather than assistance. The piece frames this distinction as a test for determining accountability when AI tools are used in authorship.
Anthropic's Claude Opus 5.5, running in Adaptive Reasoning Max Effort mode, scored 58 on the Artificial Analysis Intelligence Index against a median of 25 among comparable models. The model handles text and image input with text output and a 1M token context window, but is priced at $4.00 per 1M input tokens and $20.00 per 1M output tokens, both above the reported medians of $2.00 and $10.00. Evaluating it on the Intelligence Index generated 260M tokens and cost $8,708.20 in total.
Anthropic has released Claude Opus 5.5, an upgrade to its top-tier Opus model that arrives roughly two months after the previous version, in line with the company's usual release pace. The company says it performs close to its higher-end Fable/Mythos tier while being about 30% faster and 40% cheaper per task than Opus 5, with notable gains in large-scale coding work and software optimization tasks.
Anthropic released Opus 5.5, claiming it beats its larger Fable model on many coding and knowledge benchmarks while costing 20% less per output token and running faster. The model also communicates more plainly, avoiding jargon and leading with key information. Sonnet 5.5 and Haiku 5.5 are expected to follow in coming weeks with similar gains.
Anthropic released Claude Opus 5.5 less than two months after Opus 5, claiming performance near its top-tier Fable 5.1 model while running about 40% cheaper. The company says the model uses fewer tokens, produces less verbose answers without sacrificing accuracy, and generates output over 30% faster than its predecessor. Sonnet 5.5 and Haiku 5.5 versions are expected in coming weeks.