OpenCraft

anthropic · chat model

Try Claude Sonnet 4 online

anthropic/claude-sonnet-4

Use Claude Sonnet 4 in your browser. Explore pricing and capabilities below, or start a chat in OpenCraft.

Input price$3.00per M tokenscheaper than 9% of chat models
Output price$15.00per M tokenscheaper than 8% of chat models
Cache read$0.30per M tokens
Context window1Mtokensof the largest window in the catalog (10M)

Claude Sonnet 4 pricing: what a turn costs

Estimates from the published token rates above — real turns vary with tool calls and transcript length.

  • Quick answer2K tokens in, 600 out$0.015
  • 10-slide deck build60K tokens in, 9K out$0.315
  • 150-page PDF read200K tokens in, 4K out$0.66

Specs and listed prices from OpenRouter. Actual usage cost depends on the serving provider.

How to use Claude Sonnet 4

  1. Select “Try Claude Sonnet 4 online” to open OpenCraft with this model selected.
  2. Sign in or create an account if prompted.
  3. Type a question or describe a task, then send your message.

To compare answers, start a separate chat with another model and use the same prompt.

Claude Sonnet 4 capabilities

tool-usevisionreasoning

image, text, file in → text out

Create with OpenCraft

See example outputs and find a workflow for your next project.