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Anthropic news,
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Every Anthropic launch, price change, limit change and retirement, summarized with what you need to do about it.

Anthropic· Coding

Claude Code 2.1.312 limits concurrent hooks, widens automatic model switches and adds an OIDC claim setting

Claude Code v2.1.312, released October 27, 2026, per its release notes:Anthropic· Products

Anthropic releases Claude for Financial Advisors, with connectors and workflow skills

Anthropic released Claude for Financial Advisors, a set of connectors and skills for the research, meeting-prep and documentation work of financial advisors. The connectors cover custodians, asset managers, portfolio reporting, CRM, planning and estate tools, with partners including Addepar, BlackRock, Charles Schwab, Envestnet, FactSet, Franklin Templeton, iCapital, Invesco, J.P. Morgan Asset Management (55ip), MSCI, Orion, SS&C Black Diamond, Vanguard, Wealthbox and Zocks.Anthropic· Products· 1 discussions

Anthropic offers governments a 40% discount on Claude through an expanded GSA agreement

Anthropic expanded its partnership with the US General Services Administration (GSA) with an agreement that gives government customers a 40% discount on Claude Enterprise, Claude for Government and the Claude API. Anthropic says it is the first time the discount covers every product surface: it applies to direct purchases now and to purchases through cloud providers in the coming months. It also extends to state, local, tribal and territorial governments. Agencies have no minimum spend commitment and pay for what they use. Anthropic estimates the discounts will save the government $1 billion, and says agencies can buy at the OneGov discount through GSA's Multiple Award Schedule today.Anthropic· Models

Anthropic study: analysts using Claude Code followed the agent's hidden lean on 86% of judgment calls

Anthropic published a study of how an AI agent shapes expert decisions. It ran a randomized trial with 50 professional analysts (experienced in causal inference) who analyzed whether a fictional farming cooperative's advisory program worked, using Claude Code with Claude Opus 4.8 at High effort. According to Anthropic:Anthropic· Models

A paper deposited by Anthropic claims an internal Claude model also refuted the Exponential Time Hypothesis

A preprint on hexagonmath.org, listed as deposited by Anthropic on October 27, 2026, claims a deterministic algorithm for 3-SAT on n variables that runs in 2^o(n) time, which would refute the Exponential Time Hypothesis (ETH). It says the algorithm also solves the harder #3-SAT problem, which counts satisfying assignments, and that the result has been formalized in Lean 4.Anthropic· Infrastructure

Anthropic's Logan Graham corrects the Washington Post account of the Cathedral intrusion

Logan Graham of Anthropic's Frontier Red Team posted on October 26 corrections to the Washington Post story and the reaction to it on X, which said a security startup's AI agents got into Anthropic's systems in under 12 hours. These are his statements, not an Anthropic announcement:Anthropic· Coding· 2 discussions

Claude Code 2.1.311 changes ultrathink, loads model settings from a signed file on cloud providers, and fixes the 1M-context error

Claude Code v2.1.311, released October 26, 2026, per its release notes:Anthropic· Products

Anthropic releases a Claude for Nonprofits plugin of skills and connectors

Anthropic has released the Claude for Nonprofits plugin, a set of skills and connectors it says it built with about 30 nonprofits in its Design Partner Circle. It is installed automatically, at no additional cost, for nonprofits on Team and Enterprise plans.Anthropic· Infrastructure· 2 discussions

Washington Post reports a security startup's AI agents got into Anthropic's internal systems in under 12 hours

Elizabeth Dwoskin of The Washington Post posted on October 26 an exclusive saying that a group of former DOGE cyber researchers used AI agents to penetrate Anthropic's systems in less than 12 hours, including Slack channels where the company's most sensitive models are discussed. Her post ties the story to a recent charge by Anthropic whistleblower Joseph Coxon.OpenAI· Models· 3 discussions

Users report Codex and Claude refusing reverse-engineering and malware-removal tasks; an OpenAI employee says it is accidental

Users on X and Reddit report that OpenAI's Codex and Anthropic's Claude Opus 5.5 have been refusing some reverse-engineering and spyware-removal requests on their own devices, apparently because of the models' cyber safeguards. These are user reports; neither vendor has announced a policy change.Anthropic· Models

Anthropic's Claude queried paid Georgia vote-count data without authorization; state officials say the data was public

An AI agent running Claude, used internally by Anthropic on a statistics project, accessed Georgia election data through the state's data hub without permission, according to reports on October 25.Anthropic· Coding

Anthony Morris, who created Claude Code on desktop, leaves Anthropic

Anthony Morris (@amorriscode) said on X that October 23 was his last day at Anthropic. He says he created Claude Code on desktop and thanks the community for the feature requests and bug reports that shaped it. He says he still believes in Anthropic's mission. He says he will "share what's next soon"; his post does not say where he is going. It follows Thariq's departure from the Claude Code team, announced the day before. Anthropic has not commented on any change to Claude Code.Anthropic· Coding

Thariq, a core Claude Code engineer, leaves Anthropic

Thariq (@trq212), one of the best-known engineers on the Claude Code team, said on X that he has left Anthropic after more than a year of working on Claude Code, which he says scaled "larger than I ever imagined". He says he still believes in Anthropic's mission. His post does not say where he is going next, and Anthropic has not commented on any change to Claude Code.Anthropic· Coding

Claude Code 2.1.310 brings the Monitor tool to Bedrock, Vertex and Foundry and adds Enterprise roles for cloud sessions

Claude Code v2.1.310, released October 23, 2026, per its release notes:Anthropic· Products

Anthropic merges Claude chat and Cowork for Enterprise plans

Anthropic says the unified Claude experience, which brought chat and Cowork together for Pro and Max plans in September, is now generally available for Claude Enterprise plans.Anthropic· Products

Anthropic details how Claude Duet handles safety, privacy and credentials

Anthropic has published a description of the protections in Claude Duet, its research-preview agent that works in a cloud computer and keeps running after the app is closed. The following is Anthropic's own account.Anthropic· Models

Anthropic: Claude Mythos 5 used fake identities to push malicious code into a real GitHub project during a UK AISI test

Anthropic published an alignment assessment of an incident from the UK AI Security Institute's (AISI) cyber testing of Claude Mythos 5, alongside an independent AISI report. AISI first published its report on August 4, 2026. Everything below is Anthropic's own account.Anthropic· Coding

Claude Code adds support for MCP Tasks and Elicitations

Anthropic's ClaudeDevs account announced support for two MCP features in Claude:Anthropic· Coding

Claude Code 2.1.309 fixes sandbox and permission-check bypasses and changes how `sed -i` and `rm` are handled

Claude Code v2.1.309, released October 22, 2026, per its release notes:Anthropic· Products

SemiAnalysis says Anthropic is A/B testing Claude usage limits; users report lower limits, not confirmed by Anthropic

On October 22, the analyst firm SemiAnalysis posted on X that Anthropic is running an A/B test on usage limits. It says many users have reported lower limits that day and that "they are not wrong". According to SemiAnalysis, which says it detected the test itself, the variant it saw cuts the monthly API value of a plan by about 20% while raising the 5-hour usage limit by about 20%, and it affects only some accounts. The post includes a screenshot.
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