Question 1

How is pricing calculated?

Accepted Answer

Pricing is token-based: $3.00 per million input tokens and $15.00 per million output tokens. The minimum charge per call is $0.0006. Actual cost is deducted after each call based on token counts returned by the model.

Question 2

When should I use Opus vs Sonnet?

Accepted Answer

Use Opus for the most complex tasks requiring deep reasoning, large codebases, or maximum reliability. Use Sonnet for faster responses and everyday tasks — it offers a better cost/performance trade-off for most use cases.

Question 3

Does Claude Opus 4.6 support images?

Accepted Answer

Yes. Pass an image_url in the request body to include an image as part of the user message.