Claude Sonnet 5.5

SteadyVane has taken 8 readings of Claude Sonnet 5.5 since Sep 28, 2026: 107 upvotes at the first reading, 857 at the latest (+750). Its biggest one-day gain was +378 on Sep 28, 2026.

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Day by day

Each day's last reading. Change: against the day before (after days with no reading: since the last day that has one); the first day shows the change within that day.

Featured on 1 day: September 29, 2026.

In the brief

• Claude Sonnet 5.5 reached 796 points on Hacker News about 16.5 hours after it was posted
  Slower than Claude Opus 5.5's climb six days earlier: 508 to 1,560 points in its first 16 tracked hours.

More rising on Hacker News

• Is Opus 5.5 nerfed? Thinking patterns changed on November 3+7913 → 794 upvotes
• Claude Fable 5.2 and Mythos 5.2+765235 → 1,000 upvotes
• Goldman Sachs is pulling Claude Code from its bankers and traders+744159 → 903 upvotes
• Claude Fable 5.2 and Mythos 5.2+673250 → 923 upvotes
• Amazon saves millions by replacing Sonnet 4.6 with Strands Decider+569112 → 681 upvotes
• Apple has new Mac app coming to make running local AI models easy+49874 → 572 upvotes
• Gemini 4 Hydrogen and Orchestrator+46525 → 490 upvotes
• United Airlines bans AI agents from booking flights on behalf of travelers+447233 → 680 upvotes

Everything rising on Hacker News →