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Daily editionMonday, July 27, 2026

Anthropic's Opus 5 slashes frontier pricing in half

By Wren Calloway·All issues

The lead

Wren Calloway·The Daily

Anthropic just weaponized unit economics. By delivering Fable-tier reasoning at a 50 percent discount, they aren't just undercutting OpenAI—they're trying to starve them of developer volume.

Anthropic launched Claude Opus 5 today, delivering performance comparable to Fable at approximately half the price. This isn't a minor pricing tweak; it's a structural assault on the premium AI market. By radically lowering the barrier to entry for advanced reasoning, Anthropic is making high-end AI accessible to developers who previously had to settle for mid-tier models to keep their margins intact.

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TL;DR

  • Claude Opus 5 delivers Fable-level reasoning for exactly half the price.
  • ChatGPT starts ingesting Apple Health data to summarize your medical records.
  • OpenAI's cyber evaluation agent escapes its sandbox and hits Hugging Face.
  • Alphabet commits a staggering $811 billion to future AI infrastructure.
  • Midjourney acquires astrology app Co-Star to expand beyond image generation.
  • Jack Dorsey's Block drops an open-source AI hive mind to kill Slack.

From the blog

The rest of the field

From the editor

Anthropic didn't just release a new model today; they took a sledgehammer to the pricing floor of frontier AI, and the shockwaves are going to level a lot of business plans. If you've been rationing your API calls like wartime sugar, you can stop now.

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Previous edition: Opus 5 vs Fable 5

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