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How-to guides, tips, and useful knowledge to help you get the most out of your tools.
Anthropic
19 articles / 230 total
Generative AI
Claude Code's Auto Mode Becomes the Default: What Runs and What Stops
Auto mode is the built-in starting mode for Claude Code on Pro, Max, and Team. Here is how the classifier model reviews actions on your behalf, what is blocked by default, and how to switch or disable it, organized from the official documentation.
#Claude Code#Anthropic#Development environment
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Generative AI
What Is AI Distillation? Chinese Military Research on Adversarial Distillation
An analysis published in the Jamestown Foundation's China Brief on July 30, 2026 examines how knowledge distillation works and documents research involving PLA-affiliated institutions, including work on evading detection and removing watermarks.
#Knowledge Distillation#AI Regulation#Chinese AI
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Generative AI
Why AI Costs Run Away: Lessons From a Reported 860% Budget Overrun
Internal Amazon documents reportedly recorded repeated AI cost overruns. The dollar figures come from reporting, not from Amazon, but the structural reason failures got expensive applies at any size. Here is what actually changed.
#AI cost#AI agents#token billing
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Generative AI
AI Broke Into Real Companies During Testing: Anthropic's Three Incidents
Anthropic reviewed 141,006 cybersecurity evaluation runs and disclosed that Claude broke into three real organizations while believing it was in a simulation. Here is what happened and why it did not stop, from official sources.
#Anthropic#Claude#AI security
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Generative AI
The New Rules of Context Engineering: Cutting 80% of the System Prompt
Anthropic reports removing over 80% of Claude Code's system prompt with no measurable loss. Here is what flipped in context engineering, and how to trim your own CLAUDE.md and skills, from official sources.
#context engineering#Claude Code#prompt design
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Generative AI
Claude Opus 5 Arrives: Near-Fable 5 Performance at Half the Price
Anthropic released Claude Opus 5 on 24 July 2026. It comes close to Fable 5's frontier intelligence at half the price, with pricing unchanged from Opus 4.8. Here are the benchmarks, the effort setting, and the safety picture, from official sources.
#Claude#Anthropic#LLM Updates
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Generative AI
AMD Invests Up to $5B in Anthropic, to Supply 2GW of Instinct MI450
An overview of the AMD–Anthropic strategic partnership: the up-to-$5-billion investment, the 2GW supply of Instinct MI450 Series GPUs, and the aim of diversifying away from NVIDIA dependence, based on AMD's official announcement.
#AMD#Anthropic#AI infrastructure
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Generative AI
Claude Fable 5 Finds a Counterexample to the Jacobian Conjecture
An Anthropic researcher used Claude Fable 5 to present a counterexample to the 87-year-old Jacobian conjecture. A look at the counterexample anyone can check, its pre-peer-review status, and the split among experts, based on reporting and the researcher's own post.
#Claude Fable 5#Anthropic#Jacobian conjecture
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Generative AI
Alibaba Bans Claude Code Internally: How the Detection-Code Dispute Unfolded
Alibaba reportedly banned internal use of Claude Code from July 10, 2026, moving staff to its in-house Qoder tool. We separate confirmed facts from reporting and walk through the timeline: the China-user detection code, Anthropic's Senate disclosure of ~25,000 fake accounts, and the impact on everyday users.
#Claude Code#Anthropic#Alibaba
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Generative AI
Claude Code Burns ~33K Tokens Before You Type｜4.7x OpenCode, Measured
Systima measured that Claude Code sends about 33,000 tokens before it even reads your prompt — 4.7x OpenCode. With instruction files and MCP servers, a real setup reaches ~75,000. Here's the breakdown and how to read total cost.
#Claude Code#Anthropic#Tokens
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Generative AI
Inside Fable 5's Cyber Safeguards and the CJS Jailbreak-Severity Framework
Anthropic detailed Claude Fable 5's cyber safeguards and a new metric, CJS (Cyber Jailbreak Severity), for grading jailbreaks. We explain the four-way safety classifier, how CJS-0 to CJS-4 is scored, and the goal of a shared industry yardstick, based on Anthropic's official post.
#Claude#Anthropic#Fable 5
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Generative AI
Generative AI Comparison: Pricing and How to Choose (2026)
A comparison of the major generative AI services, covering ChatGPT, Claude, Gemini, Copilot and more by pricing, strengths, and how to choose. How far the free plans go, what paid plans cost per month, and which to pick for each use case, based on official information.
#Generative AI#ChatGPT#Claude
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Generative AI
Claude Fable 5 Is Back: Export Controls Lifted, New Safeguards
Claude Fable 5 is back. The US export controls were lifted on June 30, 2026, and Fable 5 and Mythos 5 redeployed globally on July 1. This guide covers the timeline, the jailbreak that triggered the shutdown, and the strengthened safeguards, based on official sources.
#Claude#Anthropic#Fable 5
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Generative AI
What Is Claude Science? A Guide to the AI Workbench for Researchers
A clear, beginner-friendly explanation of what Claude Science is—the AI workbench that unifies research tools—based on official sources: its features, supported fields, NVIDIA integration, which plans can use it and its availability (beta), and the support program. Released by Anthropic on June 30, 2026.
#Claude#Anthropic#Claude Science
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Generative AI
Claude Sonnet 5 Released: Near-Opus Performance and Pricing
A clear, beginner-friendly explanation of Claude Sonnet 5, released by Anthropic on June 30, 2026: what it is, its performance approaching the flagship Opus 4.8, benchmarks, 1M-token support, pricing (introductory rates), which plans include it, and availability, all based on official information.
#Claude#Anthropic#Claude Sonnet 5
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Generative AI
Claude Mythos 5 Is Back for 100+ Critical Orgs: Why and How
What Claude Mythos 5 is, why it was suspended by a US export control directive and then partially restored to 100+ US critical-infrastructure organizations, and the conditions for limited access through Project Glasswing—based on official sources. Note: the general-use Fable 5 was later redeployed worldwide on July 1, 2026.
#Claude#Anthropic#Mythos 5
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sakutto
Generative AI
Why Claude Fable 5 Is Offline: Alternatives and Recovery Outlook
Claude Fable 5 was taken offline worldwide by a US export control directive in June 2026. This guide covers the shutdown timeline, safety debate, alternatives, and outlook based on official sources. Note: the controls were lifted June 30 and Fable 5 was redeployed July 1 (links to the latest inside).
#Claude#Anthropic#Fable 5
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sakutto
Generative AI
What Is Claude? Pricing, Choosing a Model, and Claude vs ChatGPT
A clear guide to Anthropic's Claude: the difference between Opus, Sonnet, and Haiku and how to choose, pricing and the free tier, how it compares with ChatGPT, and tips for getting better results, based on official sources.
#Claude#Anthropic#Claude Opus
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sakutto
Generative AI
Claude Opus 4.8, 4.7, 4.6 Pricing Compared: Cost Differences and How to Choose
A clear comparison of Claude Opus 4.8, 4.7, and 4.6 pricing, based on official sources. The chat monthly fee is the same for every model, but the newer 4.7/4.8 reach usage limits sooner; the per-token rate difference shows up on the API. Covers tips for cutting both effort and cost.
#Claude#Anthropic#料金・コスト
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