Claude Sonnet 4.6 API Pricing & Cost Calculator

Q: Does Claude Sonnet 4.6 support prompt caching?

Yes, Anthropic offers a 90% discount on cached input tokens, reducing the input price to $0.30 per million for matches.

Claude Sonnet 4.6 is the industry workhorse for software engineering and multi-file codebase tasks.

Input tokens

100,000

50% cached

Output tokens

5,000

per request

Volume

100 / monthly

Standard API

Cost Comparison

Based on 100,000 input tokens (50% cached), 5,000 output tokens, and 100 requests.

Gemini 3.5 Flash

$5.25

Claude Haiku 4.5

$8.00

Gemini 3.1 Pro (<=200k)

$17.00

GPT-5.4

$21.25

Claude Sonnet 4.6

$24.00

Claude Opus 4.7

$40.00

GPT-5.5

$42.50

Open full calculator to adjust tokens, caching, or add other models

How this is calculated

Claude Sonnet 4.6 is priced at $3.00 per million input tokens and $15.00 per million output tokens, supporting a 90% caching discount ($0.30 per million) and a 50% batch discount ($1.50 per million inputs, $7.50 per million outputs).

Verdict

Claude Sonnet 4.6 is the gold standard for software development. Prompt caching makes multi-turn chat loops extremely affordable despite the flagship reasoning tier.