AI writing model by Anthropic

Write and edit your posts with Claude Sonnet 5.5

Claude Sonnet 5.5 is one of the models built into PostQuickAI. Use it inside your post, then schedule the result to your social accounts without switching tools.

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7-day free trial on your first plan, card required. Cancel before it ends and you pay nothing.

What Anthropic says about Claude Sonnet 5.5

Claude Sonnet 5.5 is Anthropic's Sonnet-class model for well-scoped everyday work, succeeding Claude Sonnet 5 as a direct upgrade.

Claude Sonnet 5.5 in PostQuickAI

In the menu as
Best writing
Plan
Pro and Ultra

How to use Claude Sonnet 5.5

  1. Open the assistant beside your draft and choose Claude Sonnet 5.5.
  2. Ask it to write, shorten, change the tone or split the post.
  3. It suggests each change. You accept or discard it, then schedule the post.

Claude Sonnet 5.5 vs other AI writing models

ModelCostShapes and options
Claude Sonnet 5.5 by AnthropicBest writingPro plan
GPT-6 Luna by OpenAIFastEvery plan
Claude Haiku 5.5 by AnthropicBalancedEvery plan
GPT-6.1 Sol by OpenAIDeepPro plan
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