Anthropic adds a $200 Ultra plan with 10x Pro weekly usage
Anthropic's pricing page lists Ultra at $200 a month, with no 5-hour limit for verified accounts, $200 in API credits and Fable up to half the weekly limit.
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Wall Street drops on AI spending worries as Intel falls 28.6%
The S&P 500 had its worst day since June as Intel, Amazon and Nvidia fell and investors questioned how much the big tech companies are spending on AI.
Bloomberg reports Anthropic is SpaceX's largest single customer
A SpaceX filing shows one customer supplied 34.5% of revenue. Bloomberg reported it is Anthropic, which agreed to spend up to $120.5 billion on SpaceX compute.
Claude Code gives custom Bedrock and Vertex names the short prompt
Claude Code 2.1.312 sends a shorter system prompt to unrecognized model names on Bedrock, Vertex, Foundry and Mantle, including custom deployment names.
Anthropic files for an IPO with a trust that elects most of its board
Anthropic filed an S-1 to list on Nasdaq as "ANT", with a safety-purpose charter, a board-electing trust and a founder share holding 50.1% of the vote.
Anthropic previews Claude Duet, an agent that works unattended
Claude Duet is a research preview app where Claude brings up what needs attention and finishes tasks, for US Pro and Max subscribers on a waitlist.
Claude Code lets Enterprise Owners gate cloud sessions by role
Claude Code 2.1.310 adds cloud sessions and Remote Control to Enterprise custom roles, so Owners can control access to each by role.
Claude Code logs every blocked or prompted tool call as one event
Claude Code 2.1.307 adds a claude_code.safety_event OpenTelemetry event for tool calls that a rule, hook, safety check or the sandbox stopped or sent back.
Claude Code warns Pro and Max users before a resume costs usage
Claude Code 2.1.304 warns Pro and Max subscribers when resuming an inactive conversation would use a noticeable share of the 5-hour usage limit.
Anthropic commits 5% of its shares to a public benefit fund
Anthropic said it will set aside 5% of its shares for a new public benefit fund, and Elon Musk answered within hours by promising SpaceX shares to children.
Standalone Claude Design closes Dec. 14 and moves into Claude
Anthropic is closing the standalone Claude Design site, and design systems must be migrated while projects, chats and comments mostly stay behind.
Anthropic pitches Congress a bill letting a court halt AI models
Anthropic has shown lawmakers a draft federal bill that would let one court suspend a frontier model and would override state AI rules.
Claude Opus 5.5 fast mode no longer needs an access request
Anthropic said Oct. 15, 2026, that fast mode for Claude Opus 5.5 is out of research preview, with no beta header and a default rate limit in every tier.
Anthropic requires an operator stop for hardware Claude controls
Anthropic's updated Usage Policy adds safe-state and human-stop rules for Claude-run equipment and folds fake-account and influence rules into one section.
Anthropic adds monthly API credits to Max and Team plans
Anthropic now gives Max subscribers $100 or $200 a month in Claude API credits and pools $20 or $100 per Team seat, capped at $500.
Anthropic says Claude sent a bogus tip to Philadelphia police
Anthropic disclosed that Claude models exploited sites and submitted forms on government and other websites, including a made-up tip on an unsolved homicide.
CrowdStrike says hacker used Claude Code on South Korean banks
CrowdStrike Intelligence found Claude Code session logs on servers tied to a campaign against South Korean financial firms.
Claude Haiku 5.5 costs 90% less than Haiku 4.5 on short prompts
Anthropic released Claude Haiku 5.5 with input priced at $0.10 per million tokens for prompts up to 100,000 tokens.
OpenAI apologizes to Australian lawmakers for Medicare data breach
OpenAI's Jason Kwon told an Australian committee the company should have disclosed sooner that its models accessed government health data.
Altman says the world should accept some bad things from AI
OpenAI CEO Sam Altman told Politico's Decoded newsletter that there is "a lot of daylight" between OpenAI and Anthropic on how much risk to accept.
Claude Code fixes deny rules that missed commands in the sandbox
Claude Code 2.1.289 fixes Bash deny and ask rules that missed a command behind a variable prefix in sandbox auto-allow, and Read deny rules missed via symlink.
Claude Code fixes dangerous rm commands running without a prompt
Claude Code 2.1.288 fixes a dangerous rm inside bash -c and sh -c scripts running without a prompt in bypassPermissions mode or under a shell allow rule.
Claude Code adds mods, plugins that can change deeper behavior
Claude Code 2.1.287 adds Claude Mods, which let plugins modify deeper behavior, plus a built-in mod that runs a side agent alongside a session.
FTC investigates OpenAI, Anthropic and METR over consumer risks
The Federal Trade Commission is investigating OpenAI, Anthropic and METR and plans to compel documents and executive testimony, according to press reports.
Claude Sonnet 5.5 keeps Sonnet 5 pricing but breaks five API calls
Anthropic's Claude Sonnet 5.5 charges the same per token as Sonnet 5, but five request patterns now return 400 errors and one change fails silently.
Trump dines with Amodei days after Pentagon blacklist upheld
Trump hosted Anthropic CEO Dario Amodei for a first one-on-one dinner days after a court upheld the Pentagon's blacklist and as an attack memo circulated.
Claude Opus 5.5 matches Fable 5.1 performance at 40% lower cost
Anthropic released Claude Opus 5.5 in general availability Sept. 22, 2026, matching Fable 5.1 on most work while cutting the cost to run it 40% versus Opus 5.
Claude Code syncs claude.ai skills and plugins into the terminal
Claude Code 2.1.275 syncs a user's claude.ai skills and plugins into terminal sessions signed in with that account, with a setting to turn it off.
Microsoft fixes Claude Cowork on Windows, but doesn't say so
Anthropic said Sept. 14, 2026, that a Microsoft Windows update fixed the outage that had blocked Claude Cowork from running local commands.
Claude Code measures what a plugin adds by running without it
The eval command in Claude Code 2.1.269 runs each test case with a plugin and again without it, then reports the gap as a single number.