Claude Sonnet 3.5 ⌄
Claude Sonnet 3.5 ⌄
Claude Sonnet 3.5 has been retired. We recommend switching to Claude Sonnet 4.6 for the best experience.

Chat with Claude Sonnet 3.5

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The original Claude 3.5 Sonnet (June 2024 release): fast, capable, and great as a free-tier general assistant.

What Claude Sonnet 3.5 is best for

  • Quick answers and how-to questions
  • Simple writing tasks (emails, replies, captions)
  • Coding snippets and bug fixes
  • Explaining technical concepts simply
  • Comparing options or summarising lists

How to use Claude Sonnet 3.5

Step 1 Ask Claude 3.5 Sonnet your everyday how-to and quick-answer questions directly: it is a capable free-tier general assistant for short, common tasks.
Step 2 For simple writing such as replies, captions or short emails, give Claude 3.5 Sonnet the gist and let it return a clean draft you can send with light edits.
Step 3 Use follow-ups to get a coding snippet, a simpler explanation of a concept, or a quick side-by-side comparison of a few options.

Example prompts

Frequently asked questions

Is Claude 3.5 outdated?

It's older than 3.7/4 but still very capable for everyday questions, and it's free to use here.

How does it compare to ChatGPT 4o?

They're similar in quality on common tasks. Claude 3.5 tends to write longer, more structured responses; 4o is faster and more conversational.

Why use 3.5 instead of 3.7?

3.5 is on the free tier with no extra credit multiplier. Pick it for casual or high-volume use.

Will Claude 3.5 stop working someday?

Eventually, yes. Anthropic will deprecate older versions. We'll switch this page to a successor when that happens.

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