Estimate Your Monthly Cost

Enter your expected monthly usage:

Estimated Monthly Cost —
Estimated Annual Cost —
  • Rates verified 2026-10-10 against Anthropic's official pricing documentation (https://platform.claude.com/docs/en/about-claude/pricing).
  • Cache writes cost 1.25x base input (5-minute TTL) or 2x (1-hour TTL); cache reads cost 0.1x base input, except 0.05x on Opus 5.5 and Sonnet 5.5 and 0.025x on Fable 5.1.
  • Batch API saves 50% on input and output rates.
  • Sonnet 5's $2/$10 launch pricing is now its standard price; Anthropic states the previously scheduled September 1, 2026 increase to $3/$15 will not occur.
  • Haiku 5.5 is priced at $0.10/$0.50 for prompts up to 100,000 tokens and $0.50/$2.50 for prompts over 100,000 tokens.
  • Opus 4.1, Opus 4, Sonnet 4 and Haiku 3.5 are retired on the Claude API (still offered on some cloud platforms) and are omitted here.
  • US-only inference is 1.1x standard pricing.

Real-World Claude API Cost Examples

Lightweight Chatbot (Haiku 5.5)

$2

$2.00/month

10M input + 2M output tokens/month on Claude Haiku 5.5, prompts under 100K tokens ($0.10/$0.50 per M)

Mid-Scale App (Sonnet 5.5)

$30

$30.00/month

5M input + 2M output tokens/month on Claude Sonnet 5.5 ($2/$10 per M): $10.00 + $20.00

Heavy Reasoning (Opus 5.5)

$14

$14.00/month

1M input + 0.5M output tokens/month on Claude Opus 5.5 ($4/$20 per M): $4.00 + $10.00

High-Volume Production Workload (4.5B tokens / 2 weeks)

$~$15,000 per two-week period (developer estimate)

~$15,000 per two-week period (developer estimate)

A startup-scale application processing 4.5 billion tokens over 14 days, priced by the developer at the then-current Claude Sonnet rate of $3/$15 per 1M tokens in/out.

Reddit r/startups (2025-04-18)

Vision Processing at Scale (1M images, 1000×1000px)

$~$2,668 for input tokens on 1M images at Sonnet 5.5 rates (output additional)

~$2,668 for input tokens on 1M images at Sonnet 5.5 rates (output additional)

Processing one million 1,000×1,000 pixel images through Claude Vision. Each image uses about 1,334 tokens; at Sonnet 5.5's $2/1M input rate that is about $0.0027 per image, plus output tokens.

Reddit r/ClaudeAI vision pricing comparison (2024-04-16)

Compare at This Team Size

Frequently Asked Questions

01 How accurate is this Claude API pricing calculator?

This calculator uses official Claude API pricing data verified as of 2026-10-10. Hidden cost estimates are based on 2 verified cost categories from real user reports. Actual costs may vary based on negotiated discounts, specific feature requirements, and implementation complexity.

02 What hidden costs should I include in my Claude API budget?

Our calculator includes 0 verified hidden cost categories for Claude API: . Toggle each to see how they affect your total cost.

03 Should I choose monthly or annual billing for Claude API?

Compare the published annual total with twelve monthly payments when both are available. An annual commitment may reduce flexibility; confirm cancellation terms and whether the quoted plan fits your needs.

04 How do I know which Claude API tier I need?

Start with your must-have features. Claude API offers 2 tiers ranging from $0.10 to $50/per million tokens. Entry tiers work for basic needs, while enterprise tiers add advanced security, customization, and support.

05 Can I negotiate Claude API pricing below calculator estimates?

Negotiated pricing depends on the vendor, plan and contract. We do not assume a discount in this estimate. See our negotiation guide for tactics.