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🤖 Claude Opus 5.5 cuts cost by 40%

Startups & VenturesVerified, @tech

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🤖 Claude Opus 5.5 cuts cost by 40% Anthropic says the model is 40% cheaper than Opus 5 and reaches Claude Fable 5.1 in most work tasks. A tester moved a 680,000-line codebase in under a day. Another test took 3 hours to review and fix 200,000 lines, versus more than 20 hours for Opus 5. The main upgrade targets agentic coding. Opus 5.5 scored 66.4% on Terminal-Bench 4.0 and responds more than 30% faster, while needing fewer steps for long tasks. Input now costs $4 per million tokens, output costs $20. Cached input fell to $0.20. Fast Mode can run up to 2.5 times faster, and agents now face an action check before execution. Sonnet 5.5 and Haiku 5.5 are next. 📊@tech

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Views4,242+7%vs avg
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Views growth

Hours after publication

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Hours after publicationViews
0 h266
5 h2,053
12 h2,582
21 h3,103
30 h3,645
41 h3,806
53 h4,096
66 h4,242
  1. After 6 hours2,053
  2. After 24 hours3,103
  3. Total to date4,242

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