Input token cost comparison calculator
Every prompt, document, and system message costs input tokens. Anthropic Claude Sonnet 4.6 is $3 per million input tokens. Anthropic Claude Sonnet 4.6 is $3. For read-heavy workloads, Anthropic Claude Sonnet 4.6 wins. If you process huge documents daily, that gap adds up fast—pick Anthropic Claude Sonnet 4.6 over Anthropic Claude Sonnet 4.6 when quality is similar. Use our calculator above to see exact input costs.