Anthropic / Elyse Betters Picaro / ZDNET
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ZDNET's key takeaways
Claude Sonnet 4.6 is a major upgrade over 4.5.
1M-token context window (in beta) enables longer, richer sessions.
It's now the default for free and Pro users, with pricing unchanged.
Just four months after Anthropic released Claude Sonnet 4.5, and a week after the company debuted Opus 4.6, the AI giant is back with Claude Sonnet 4.6, a huge upgrade over the previous version.
Also: Anthropic says its new Claude Opus 4.6 can nail your work deliverables on the first try
This new Sonnet 4.6 model, available now, shows improved coding performance, better computer use skills, upgraded long-context reasoning, better agent planning, and improvements to knowledge work and design.
As with Opus 4.6, Sonnet 4.6 now includes a 1 million-token context window (in beta). This allows for much longer and more complex work sessions without requiring a session reset or compaction.
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