Structured outputPrices verified 2026-10-17

Claude API cost calculator

Monthly cost of Anthropic Claude (tool use / structured outputs) at 10k to 10M requests, worked out from its list price of $0.1 in / $0.5 out per 1M tokens.

Estimate costAPI page

Classification500 in · 5 out tokens

Requests / monthHaiku 5.5
10k$0.53
100k$5.25
1M$52.50
10M$525

Formula: 1,000,000 requests × (500 in × $0.1 + 5 out × $0.5) ÷ 1,000,000

Chatbot turn1,000 in · 300 out tokens

Requests / monthHaiku 5.5
10k$2.50
100k$25.00
1M$250
10M$2,500

Formula: 1,000,000 requests × (1,000 in × $0.1 + 300 out × $0.5) ÷ 1,000,000

Agent loop step4,000 in · 500 out tokens

Requests / monthHaiku 5.5
10k$6.50
100k$65.00
1M$650
10M$6,500

Formula: 1,000,000 requests × (4,000 in × $0.1 + 500 out × $0.5) ÷ 1,000,000

All plans100k chatbot requests

PlanRatePer month
Haiku 5.5$0.1 in / $0.5 out per 1M tokens$25.00
Haiku 4.5$1 in / $5 out per 1M tokens$250
Sonnet 5.5$2 in / $10 out per 1M tokens$500
Opus 5.5$4 in / $20 out per 1M tokens$1,000

Price notes

  • Anthropic Claude (structured outputs) · Haiku 5.5. Price applies to prompts up to 100k tokens. US-only inference_geo costs 1.1x; Batch is 50% off. Structured outputs add an injected system prompt (slightly more input tokens).
  • List prices before free allowances and taxes. Presets are our assumptions, not vendor figures.

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Your usage

Showing one API from the link.

Cheapest: Anthropic Claude (structured outputs) (Haiku 5.5) $25.00/month

Monthly cost per API, cheapest first
API and planPer monthPrice dateDetails
Anthropic Claude (structured outputs)Haiku 5.5 · $0.1 in / $0.5 out per 1M tokens$25.002026-10-17
Anthropic Claude (structured outputs)Haiku 4.5 · $1 in / $5 out per 1M tokens$2502026-10-17
Anthropic Claude (structured outputs)Sonnet 5.5 · $2 in / $10 out per 1M tokens$5002026-10-17
Anthropic Claude (structured outputs)Opus 5.5 · $4 in / $20 out per 1M tokens$1,0002026-10-17

List prices before free allowances and taxes. Formula on hover (cost cell) or under Formula. Presets are our assumptions, not vendor figures.

FAQ

How much does Claude API cost per month?

At $0.1 in / $0.5 out per 1M tokens (Haiku 5.5), 1M chatbot-size requests (1,000 input, 300 output tokens) cost $250 a month, and 100k classification requests cost $5.25. Prices verified 2026-10-17.

Does Claude API have a free tier?

No free allowance is listed with the price we checked; the tables show list prices.

How is the cost calculated?

1,000,000 requests × (1,000 in × $0.1 + 300 out × $0.5) ÷ 1,000,000 = $250 for 1M chatbot requests. Change requests and tokens in the calculator to match your workload.

Which Claude API plan is cheapest?

Haiku 5.5: $0.1 in / $0.5 out per 1M tokens; Haiku 4.5: $1 in / $5 out per 1M tokens; Sonnet 5.5: $2 in / $10 out per 1M tokens; Opus 5.5: $4 in / $20 out per 1M tokens.

SourcesPricing pages

  1. 1Anthropic Claude (structured outputs) pricingdocs.anthropic.com/en/docs/about-claude/pricingVerified 2026-10-17