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Anthropic downgraded cache TTL on March 6th (github.com)

552 points by lsdmtme · 141 days ago · 420 comments on HN

Article summary

Anthropic's cache TTL was changed from 1 hour to 5 minutes around March 6th, causing a significant increase in cache creation costs and quota consumption for subscription users. The change was not announced and appears to have been made server-side. The author of the issue analyzed session data and found that the 1-hour TTL was the intended default, and the reversion to 5-minute TTL has caused a 20-32% increase in cache creation costs. The author requests that Anthropic confirm or deny the change and consider restoring the 1-hour TTL as the default.

Main themes

  • Cache TTL change
  • Cost and quota impact
  • Anthropic's infrastructure
  • LLM performance
  • Vendor lock-in
  • AI model degradation

What commenters say

  • The cache TTL change may be related to Anthropic's peak-hour announcement and infrastructure load.
  • The change has caused significant financial losses for users and has led to a loss of trust in the platform.
  • Some users have switched to alternative AI models, such as Codex, due to the issues with Anthropic's platform.
  • The output of AI models may be starting to get back into the training input, causing model collapse.
  • The leadership of AI companies, including Anthropic and OpenAI, has been criticized for their business practices and ethics.
  • Some users believe that the AI models are being intentionally throttled to increase revenue, while others think it may be due to infrastructure constraints.
  • The use of AI models has led to a loss of coding and debugging skills, making users reliant on the models.
  • The degradation of AI models may be due to the rapid growth in usage and the inability to scale compute quickly enough.