🤖Claude Sonnet 5 Becomes Default at Half Opus Pricing
TL;DR
Anthropic's Claude Sonnet 5 rolled out July 1 as the default model for Free and Pro users, matching much of Opus 4.8's agentic performance. Intro pricing runs $2/$10 per million tokens through August 31.
Anthropic's Claude Sonnet 5 rolled out July 1 as the default model for Free and Pro users, matching much of Opus 4.8's agentic performance. Intro pricing runs $2/$10 per million tokens through August 31.
Key Points
Default model for Free and Pro plans starting July 1, 2026
Performance close to Opus 4.8 on reasoning, tool use, and coding
Intro pricing $2/M input and $10/M output through Aug 31, then $3/$15
Anthropic reports a lower rate of undesirable behaviors than Sonnet 4.6
Why It Matters
Pushing near-flagship agentic quality into the default free tier resets the price-performance floor rivals have to clear.
Quick Facts
Frequently Asked Questions
Why does this matter?
Pushing near-flagship agentic quality into the default free tier resets the price-performance floor rivals have to clear.
What happened?
Anthropic's Claude Sonnet 5 rolled out July 1 as the default model for Free and Pro users, matching much of Opus 4.8's agentic performance. Intro pricing runs $2/$10 per million tokens through August 31.
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