Claude API Pricing

Anthropic lists 9 Claude models on its API. Prices below are per million tokens, in US dollars, for input (your prompt), output (the model's reply), cached input (prompt-cache reads) and the batch API.

Every price verified on or after from Anthropic's pricing page (claude.com) and Anthropic's pricing page (platform.claude.com).

Claude API prices per million tokens

ModelInputOutputCached inputBatch inputBatch outputContext
Claude Haiku 5.5$0.10$0.50 over 100K$0.50$2.50 over 100K$0.01$0.05 over 100K$0.05$0.25 over 100K$0.25$1.25 over 100K1M
Claude Fable 5.1$10.00$50.00$0.25$5.00$25.001M
Claude Opus 5.5$4.00$20.00$0.20$2.00$10.001M
Claude Sonnet 5.5$2.00$10.00$0.10$1.00$5.001M
Claude Opus 4.7$5.00$25.00$0.50$2.50$12.50200K
Claude Haiku 4.5$1.00$5.00$0.10$0.50$2.50200K
Claude Sonnet 4.6$3.00$15.00$0.30$1.50$7.501M
Claude Sonnet 4.5$3.00$15.00$0.30$1.50$7.501M
Claude Opus 4.5$5.00$25.00$0.50$2.50$12.50200K

A dash means Anthropic lists no such rate for that model. Batch rates apply the batch API discount to the standard rates. A second line shows the higher rate billed for the whole request when its prompt is longer than the stated size, cache reads and writes included. These are Anthropic's direct API rates; cloud platforms can charge differently.

What the headline prices leave out

  • Claude Haiku 5.5: Priced by prompt length, per request. Standard (prompt of 100K tokens or less): $0.10 in / $0.01 cached / $0.50 out. Over 100K tokens (counting cache reads and writes), the whole request is billed at $0.50 in / $0.05 cached / $2.50 out. Batch is 50% off both tiers: $0.05 in / $0.25 out standard, $0.25 in / $1.25 out over 100K. Cache writes: 5-minute TTL $0.125/MTok standard and $0.625 over 100K; 1-hour TTL $0.20 standard and $1 over 100K. US-only inference (inference_geo: "us") is billed at 1.1x, including the over-100K prices.
  • Claude Fable 5.1: Cache write shown is the 5-minute TTL rate; 1-hour cache writes are $20/MTok. Cache reads are 0.025x input. US-only inference (inference_geo: "us") is billed at 1.1x.
  • Claude Opus 5.5: Cache write shown is the 5-minute TTL rate; 1-hour cache writes are $8/MTok. Cache reads are 0.05x input. Fast mode (Claude API only, no batch) is $8 in / $40 out. US-only inference (inference_geo: "us") is billed at 1.1x.
  • Claude Sonnet 5.5: Cache write shown is the 5-minute TTL rate; 1-hour cache writes are $4/MTok. Cache reads are 0.05x input. US-only inference (inference_geo: "us") is billed at 1.1x.

Which Claude model is cheapest for your workload

Monthly cost of 10 million tokens on each model, for five common usage patterns. The cheapest model for each pattern is marked. The cheapest model is not always good enough for the task, so compare quality on your own prompts before you switch. Cached workloads assume each cache entry is read 10 times; a model without a batch API pays its standard rate on the batch job.

ModelChat assistant7.5M input, 2.5M outputDocument Q&A9M input, 1M outputContent generation2.5M input, 7.5M outputRepeated long prompt7.5M input (75% cache hits), 2.5M outputOvernight batch job7.5M input, 2.5M output via the batch API
Claude Haiku 5.5$2.00Cheapest$1.40Cheapest$4.00Cheapest$1.51Cheapest$1.00Cheapest
Claude Fable 5.1$200.00$140.00$400.00$146.56$100.00
Claude Opus 5.5$80.00$56.00$160.00$59.19$40.00
Claude Sonnet 5.5$40.00$28.00$80.00$29.59$20.00
Claude Opus 4.7$100.00$70.00$200.00$75.39$50.00
Claude Haiku 4.5$20.00$14.00$40.00$15.08$10.00
Claude Sonnet 4.6$60.00$42.00$120.00$45.23$30.00
Claude Sonnet 4.5$60.00$42.00$120.00$45.23$30.00
Claude Opus 4.5$100.00$70.00$200.00$75.39$50.00

Each request is priced on its own prompt size. The patterns above use prompts of at most 9K tokens, so Claude Haiku 5.5 is priced at its standard rates. If your prompts are longer, Claude Haiku 5.5 bills prompts over 100,000 tokens at $0.50 input and $2.50 output per million for the whole request, so these figures understate it.

Claude Haiku 5.5 is cheapest for every pattern because its input and output rates are both the lowest Anthropic lists for text. Cheapest is not best: the registry has no capability tier, so check quality on your own prompts before you switch.

Price your own workload with Claude Opus 5.5

Cite this data

Vanta Calc, Claude API Pricing, https://www.vantacalc.com/technology/llm-pricing/anthropic/, last updated 12 October 2026

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