Question 1

How does Anthropic charge for Claude API?

Accepted Answer

Anthropic charges per million tokens, separately for input (prompt) and output (response). Claude Haiku 4 is the most affordable at $0.80/1M input tokens, Sonnet 4 at $3/1M, and Opus 4 at $15/1M.

Question 2

Which Claude model should I use?

Accepted Answer

Claude Haiku 4 for high-volume simple tasks like classification or summarization. Sonnet 4 for most production use cases — great balance of capability and cost. Opus 4 for complex reasoning, coding, and research tasks where quality matters most.

Question 3

How does Claude compare to GPT-4o on price?

Accepted Answer

Claude Haiku 4 is significantly cheaper than GPT-4o mini for most workloads. Claude Sonnet 4 and GPT-4o are competitive, with Sonnet often preferred for longer context tasks due to Claude's 200K context window.

Question 4

Does Anthropic offer volume discounts?

Accepted Answer

Yes — Anthropic offers custom pricing for high-volume enterprise customers. Contact their sales team if you're spending over $10,000/month on API usage.

Claude Token Cost Calculator — Anthropic API Pricing Tool

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