New7 min read
Claude Max API Credits: $100 a Month, What They Cover
Claude Max and Team plans now include a monthly Claude API credit, starting at $100 on Max 5x. What it covers, what it does not, and how to claim it.
ANTHROPIC
122 articles - page 3 of 11
New8 min read
Opus 5.5 vs Sonnet 5.5 vs Haiku 5.5: Which Claude Model to Use
Sonnet 5.5 is the default, Opus 5.5 is for open-ended long-horizon work, and Haiku 5.5 is for bounded steps and subagents. Prices, benchmarks, cost math.
9 min read
Claude Haiku 5.5: Pricing, Migration Changes, and When to Use It
Claude Haiku 5.5 pricing, the cliff above 100K-token prompts, the tokenizer catch, the migration steps from Haiku 4.5, and when to use it instead of Sonnet.
6 min read
Anthropic's GLM-5.3 Cyber Report: The Numbers, the Backlash, and What Developers Should Take From It
Anthropic's GLM-5.3 cyber report: exploit numbers against Claude Mythos Preview, how its safeguards were stripped, the backlash, and the read for developers.
9 min read
Claude Cowork vs Claude Code (2026): Which One Should You Use, and What Does It Cost?
Claude Cowork vs Claude Code: Code is for software, Cowork for documents, spreadsheets and research. Both are in every paid Claude plan. How to pick.
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11 min read
Claude Sonnet 5.5 Developer Guide: Pricing and API Changes
Claude Sonnet 5.5 costs $2/$10 per million tokens, and cache reads fell to $0.10 on October 7 - half of Opus 5.5 on every line. Pricing math and API changes.
11 min read
Claude Opus 5.5 Developer Guide: Pricing, API, Claude Code
Claude Opus 5.5 costs $4/$20 per million tokens with $0.20 cache reads. SDK examples, Claude Code setup, and when to pick it over Sonnet 5.5 or Haiku 5.5.
7 min read
Anthropic's Fermat Proof Is an Autoformalization Milestone
Anthropic's Lean formalization of Fermat's Last Theorem, read for developers: what Claude verified in 11 days and the repo patterns worth copying.
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6 min read
Anthropic Now Watermarks All Claude Output: Text Watermarks and C2PA for Files
Claude text watermarking: Claude models released after August 2, 2026 embed a watermark in generated text and C2PA provenance in files. What is known so far.
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5 min read
Anthropic Cuts Fable 5 Biology Fallbacks by 85%: What the Safeguard Tuning Means for Developers
Anthropic retuned Claude Fable 5 biology safeguards, cutting biology fallbacks about 85%. What changed and what still routes to Opus 5.
11 min read
AI Session Portability Compared 2026: OpenAI vs Anthropic vs Gemini
AI session portability compared across OpenAI, Anthropic, and Gemini: storage defaults, encrypted reasoning, compaction, and what you can move or audit.
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7 min read
Claude Mythos Preview Explained: Anthropic's Gated Frontier Model and Project Glasswing
Claude Mythos Preview explained: Anthropic's gated frontier model, who got access through Project Glasswing, what it found, and where the model line went next.
Showing 25-36 of 121 articles
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