Anthropic

Chat with Claude Opus 5.5 for free

Claude Opus 5.5 excels at agentic coding, large-scale code migrations, and complex professional work. Supports reasoning and web search.

Provider

Anthropic

Tier

Included from the Basic plan

Ideas to try

Explain a hard idea simply

Explain [topic] like I am smart but new to it. Use a concrete analogy.

Rewrite for clarity

Rewrite the following to be clearer and more concise, and keep the meaning:

Push back on my plan

I am deciding between A and B. Challenge my assumptions and tell me what I might be missing.

Draft a short plan

Help me draft a practical plan for [goal] over the next two weeks.

Start for free, switch models instantly, upgrade only when you need more.