Anthropic · 30 Jun 2026
Claude Sonnet 5
Anthropic’s fifth-generation Sonnet model for autonomous agents, coding, tool use and knowledge work.
High-signal launch with broad capability, access or platform-level implications.
Release is backed by the lab’s own announcement or newsroom post.
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What actually changed.
Normalized from the release note so different labs can be compared by the same fields, not just by launch copy.
General · Coding · Multimodal
Evidence is first-party; comparison labels are normalized by Radar.
Release is backed by the lab’s own announcement or newsroom post.
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Evidence behind the brief.
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Context is not clearly specified in the indexed source note.
Brings performance close to Opus 4.8 at a lower price, with stronger planning and long-running execution.
This brief links back to the first-party announcement or documentation used by the radar.
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