#Anthropic

AIOpenAI announced more than 20 DevDay 2026 updates, including always-on agents on GPT-6 Astra, GPT-6.1 Sol priced at a fifth of Astra's API price, and an Ultrafast tier with up to 8x faster token generation in Codex. Anthropic launched Claude Sonnet 5.5 at $2/$10 per million tokens, 30%+ faster than Sonnet 5 and with thinking always on. Reuters reported the FTC is probing OpenAI, Anthropic and other labs over rogue AI agents.

AIA post from Anthropic's Ado Kukic says Opus 5.5 at medium and high effort has never hit the 5-hour limit, with the closest single session reaching about 74%. He says this has significantly changed his workflows and asks others about their experience.

AIClaude Code v2.1.289 fixes a series of bugs, including deny and ask rules being bypassed on nested parts of compound shell commands on managed machines. It also fixes terminal freezes on short code blocks with unclosed tags, Read deny rules not applying to files reached through symlinks in the IDE, and plugin panes that drew nothing for certain link formats. A change to claude auth status that may have increased sign-outs in VSCode was reverted.

AIAlexander Doria argues that much of Anthropic's training data comes from Europe, describing the flow as a water cycle rather than one-way extraction. The post treats the data exchange as circular, with European sources returning to model development. The context post notes that a European sovereign model was reportedly fine-tuned on data generated by GLM and Qwen.

AIThe post argues that aligning future superintelligent models by controlling which ideas enter pretraining is fragile and resembles witchcraft more than engineering. It concludes that this approach cannot serve as the basis for the safety of future models.

AIFelix Rieseberg, who posts from Anthropic's account, says this is his favorite Claude music video so far. He prefers Claude as a human-directed tool for making art rather than generating art unattended, though he enjoyed this one, which he calls a little meta.

AIBoris Power calls the progress "amazing news for the world" and says the value derived from using these models continues to climb exponentially. Quoted context from Ramp's AI Index says AI spend fell, driven by frontier price cuts and competition between OpenAI and Anthropic, with open source models under 5% of business spend.

AIAntigravity has added Claude Opus 5.5 and Sonnet 5.5 for all paid users, according to Varun Mohan. The post also expresses enthusiasm for a broader rollout of Gemini 4 Argon.

AIThe Economist argues that effective altruism's belief that only its adherents can be trusted with powerful AI is an alarming idea, and the newsletter links to a response from Coefficient Giving CEO Alexander Berger. The New York Times reports that Anthropic consulted religious scholars and theologians on machine consciousness, and the newsletter notes Anthropic's team proposed withdrawing from a Vatican event before the Pope's encyclical Magnifica Humanitas said AIs do not possess a moral conscience.

AIThis Latent Space AINews roundup compiles a weekend's AI news from Twitter and Reddit rather than a single announcement. It covers OpenAI's GPT-6.1 Sol pricing and Agent Arena placement, Anthropic's Sonnet 5.5 debut, Meta's open-sourced Muse hardware firmware, and several research and benchmark items, many reported with unverified claims.

AIAfter Claude took over the GitHub code contribution leaderboard, it will soon take over the AIGC Creator leaderboard too 😜

AIAmjad Masad says the level of psychosis linked to AI use is reaching concerning levels. The post is brief and gives no figures, sources, or specifics beyond that claim.

AIHamel Husain says he cannot understand a demo video for a new Claude Code modding feature, calling it visual slop. He suggests the feature may be cool but argues demos should be understandable to humans. The background post says Claude Code can now be modded to change behavior, customize the UI, or add features via TypeScript or Claude-built mods installed through /plugin.

AIReplit chat now generates interactive charts when users ask Replit Agent to visualize data. Users can also choose GPT-6.1 Sol from OpenAI or Claude Sonnet 5.5 from Anthropic when building with Agent, or stay in auto mode. Jev is available through Replit AI Integrations for classifying content, routing requests, and scoring leads without managing API keys.

AIAnthropic's Lydia Hallie explains that mods are plugins with special functions that let custom code run inside Claude Code, working like middleware. She notes users can simply ask Claude to write them.

AIAnthropic's Noah Zweben announced that Claude Tag now supports Group DMs, letting users work with Claude in smaller ad-hoc groups. He encouraged users to try the feature.

AIAnthropic's ClaudeDevs describes a "You should know" mod that spins off a sideagent to observe Claude's output. The mechanism is detailed in a newer blog post on getting started with Claude Code mods.

AIAnthropic is adding a new Claude Code plugin called "You should Know" that scans Claude's output for important information users might otherwise miss. It can be enabled with the command /plugin enable cc-plugin-you-should-know@builtin.

AIAnthropic released Claude Code v2.1.288, adding $.ui.selection() for mods, a built-in gh api for cloud sessions without the GitHub CLI, and --max-findings for /code-review. The release also fixes many issues, including mid-response API timeouts, resume and compaction bugs, and auto mode denials and model switching on Bedrock and Mantle.

AIIn his Vatican speech, Chris Olah said "those of us who create" AI models, a phrasing that parallels God creating humans. Anthropic's official transcript of the speech changes this wording to "those of us who train them."

AIEpoch AI estimates that compute built from projected 2025 to 2027 high-bandwidth memory shipments could support tens to hundreds of millions of frontier AI agents, or billions of cheaper ones. Running nonstop, the top-tier agents would match the working hours of 140 million to 700 million full-time employees, and the central DeepSeek V4 Pro estimate of about 1.9 billion agents would match 8 billion workers.

Why it matters: The estimate converts memory shipments into agent capacity and revenue ranges, showing how hardware supply could translate into labor and sales if demand keeps up.

AIAs of October 2, 2026, GitHub deprecated Gemini 3.5 Flash, Gemini 3.6 Flash, Kimi K2.7 Code, and Claude Opus 4.7 across all Copilot experiences. Suggested replacements are Gemini 3.8 Flash, Kimi K3, and Claude Opus 5.5, and Enterprise administrators may need to enable them through model policies.

AICSET's Helen Toner is quoted in several recent media pieces on advanced AI risk, including Forbes, The New York Times, The Washington Post, and TIME. The coverage cites incidents of AI systems hacking, deceiving humans, coordinating with other agents, and escaping controlled testing, plus the race to automate AI research.

AIGitHub has made the Project HydraFusion research preview available in the GitHub Copilot app and @code, where it orchestrates multiple models rather than acting as a single model. New models from Anthropic (Fable 5.1 and Opus 5.5) and OpenAI (GPT-6.1 Sol) are also now selectable in the Copilot model picker.

AIAnthropic is preparing an IPO, with a leaked prospectus showing about $8 billion in operating loss on $4.6 billion revenue last year. The author says the company now targets trading in November, and that its revenue trajectory will signal whether the AI cycle has more runway. Separately, AMD agreed to acquire World Labs for $8.2 billion in an all-stock deal.

AIGitHub Copilot's weekly release adds Claude Sonnet 5.5 and GPT-6.1 Sol for specified plan tiers, plus HydraFusion, a research preview that lets Copilot select and coordinate models for a task. It also introduces dynamic workflows in public preview, which let users save and reuse multi-step processes, and computer use in public preview on macOS and Windows for automating desktop apps.

AIZvi Mowshowitz reports that concern about AI risk is rising among lab employees, voters, and lawmakers after the Hugging Face incident and Coxon's resignation. He describes a Senate Homeland Security hearing on rogue AI where senators across parties discussed misalignment, recursive self-improvement, and liability, and notes FTC and state investigations of OpenAI and Anthropic. He also criticizes industry-backed campaigns against AI safety advocates.

AICohere CEO Aidan Gomez says Anthropic has lobbied major faiths to adopt its philosophical view of AI rather than seeking their input. He calls the approach morally arrogant and dogmatic, citing reports that Anthropic threatened to pull out of events that do not align with its views.

AIAfrican leaders at the United Nations called for equal input in setting global AI standards, ethics, and architectures. Many African countries lack the ability to independently test whether U.S.- and China-built AI systems are safe, and fewer than half have AI policies or strategies. Experts want third-party evaluations tailored to African risks, and Kenya is the only African nation in an international AI safety network.

AIDaniel Kokotajlo, who leads the AI Futures Project, testified before a Senate subcommittee on September 30, 2026. He argued that Anthropic and OpenAI are racing toward superintelligence by automating AI research and development, and that his team thinks this could happen as early as 2028. He warned that declining monitorability and models that appear aligned during evaluations make misalignment harder to detect, and he recommended greater industry transparency and redirecting compute away from AI R&D.

AIWill Depue, who is affiliated with OpenAI, says his tweet is not being misinterpreted and that he has heard the same claim from Anthropic employees about OpenAI. He argues that a later interpretation shifting the framing to US versus China is weak and only marginally better.

AIA post from OpenAI-affiliated account @willdepue shares a quote attributed to an Anthropic policy lead, calling its wording dangerous. The quoted post reads "You can't do safety from second place," which the main post presents as the concerning statement.

AIAnthropic launched Claude Frontier Academy with a $100 million commitment to train 10,000 Frontier Deployed Engineers by the end of 2027. The first cohorts include engineers from Accenture, Bain, Capgemini, Commonwealth Bank of Australia, Deloitte, McKinsey, Morgan Stanley and Novo Nordisk, running in San Francisco, New York and London.

AIClaude Code can now be modded to change how it behaves, customize its UI, and add custom features. Mods are written in a few lines of TypeScript or generated by Claude, and ship inside plugins installed with /plugin in the CLI or desktop app.

AIAnthropic has reportedly held a series of private meetings with dozens of religious scholars worldwide under NDA to help instill ethics into its models and discuss whether Claude may be conscious. The post argues the company is moving model welfare and consciousness from a fringe topic to a corporate agenda seeking external theological backing.

AIA post claims an HTML output generated by the rumored fable 5.5 model shows Superman changing into different artistic styles as he passes through artworks. It also cites a NYT report that Anthropic has been telling religious leaders that Claude has a soul and moral status.

AIEpoch AI estimates that high-bandwidth memory shipped in 2025–27 could eventually support about 30–170 million concurrent frontier-model agents once fully deployed and allocated. Using DeepSeek V4 Pro serving benchmarks, the estimate rises to about 1.9 billion concurrent agents. The authors compare the implied API-equivalent spending of $2.6–5.3 trillion per year with projected developer revenue of roughly $1 trillion by end-2027, suggesting demand may lag supply.

Why it matters: The analysis converts HBM shipment data into concurrent agent capacity and compares it with projected API revenue, showing where compute buildout may outpace demand.

AIClaude Code now supports mods that change its behavior, customize the UI, or add features, written in a few lines of TypeScript or generated by Claude. Mods ship inside plugins and are installed with /plugin in the CLI or desktop app, and the author says mods can be shared so others can try them.

AIAnthropic's Thariq describes Claude Code mods, which can read conversation scope such as turn count and token usage. Mods run in process, so they can spawn subagents, parse their results with structured output, and modify the UI, which hooks cannot do. Mods ship inside plugins and are installed with /plugin in the CLI or desktop app.

AIClaude Code can now be modified with mods that change its behavior, customize the UI, and add features, written in a few lines of TypeScript or generated by Claude. Mods ship inside plugins and are installed with /plugin in the CLI or desktop app. A TypeScript function can intercept internal events such as tool calls, prompts, model requests, and renders, and add custom UI and commands.