Claude Opus 5 has one native 1M-token context window, but capacity, product access, usage limits, cost, and useful context are five different things.
Anthropic
4 posts
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Claude Opus 5's 1M Context Window: What “Default” Really Means -
Claude Code vs Claude Cowork: Which Anthropic Tool Should You Use?Claude Code is built for software projects, while Claude Cowork is built for multi-step knowledge work across files and documents.
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Claude Cowork Explained: What It Is, How It Differs from Claude Code, and How Usage WorksClaude Cowork is Anthropic's agentic desktop feature for knowledge work. This guide explains what it does, how it differs from Claude Code, and how usage limits work.
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Coding Without the CLI: Claude Code on the WebClaude Code on the Web lets you run coding-agent tasks from a browser or mobile device without keeping a local terminal open, using a cloud environment connected to a repository.