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Anthropic

Claude Sonnet 5 API Pricing

"Best combination of speed and intelligence." Introductory pricing $2/$10 per MTok in effect through 2026-08-31; standard pricing of $3/$15 per MTok takes effect 2026-09-01 (cache write 5m $3.75, 1h $6.00, read $0.30; batch $1.50/$7.50). Reliable knowledge cutoff Jan 2026. Cache write shown is 5m-TTL intro rate; 1h-TTL intro rate is $4.00/MTok. Batch (intro): $1.00/$5.00 per MTok.

Verified against Anthropic’s pricing page on 2026-07-02.

View source ↗

Facts

Specs

  • FamilyClaude Sonnet
  • API IDclaude-sonnet-5
  • ModalityMultimodal
  • Context window1M tokens
  • Max output128K tokens
  • Release dateNot published

Pricing (per 1M tokens)

  • Input$2.00 / 1M tokens
  • Output$10.00 / 1M tokens
  • Cached input$0.20 / 1M tokens
  • Cache write$2.50 / 1M tokens
  • Batch discount50%

Capabilities

vision, tool-use, adaptive-thinking, multilingual

Notes

"Best combination of speed and intelligence." Introductory pricing $2/$10 per MTok in effect through 2026-08-31; standard pricing of $3/$15 per MTok takes effect 2026-09-01 (cache write 5m $3.75, 1h $6.00, read $0.30; batch $1.50/$7.50). Reliable knowledge cutoff Jan 2026. Cache write shown is 5m-TTL intro rate; 1h-TTL intro rate is $4.00/MTok. Batch (intro): $1.00/$5.00 per MTok.

Worked cost examples

Estimated monthly cost on three common usage shapes

WorkloadEst. monthly cost

Chatbot

800 input / 200 output tokens per request, 100,000 requests/month

$360.00

RAG pipeline

6,000 input / 700 output tokens per request, 30,000 requests/month

$570.00

Batch summarization

20,000 input / 1,500 output tokens per request, 5,000 requests/month

$275.00

Price history

Changes we have documented since we began tracking

  • Input price: $2 → $3

    2026-09-01

    Introductory pricing of $2/$10 per MTok (in effect since launch through 2026-08-31) reverts to standard $3/$15 per MTok starting 2026-09-01, per Anthropic's official pricing page.

    Source ↗

  • Output price: $10 → $15

    2026-09-01

    Introductory output pricing of $10/MTok reverts to standard $15/MTok starting 2026-09-01, per Anthropic's official pricing page.

    Source ↗

Claude Sonnet 5 pricing FAQ

How much does Claude Sonnet 5 cost per 1M tokens?
Claude Sonnet 5 costs $2.00 per 1M input tokens and $10.00 per 1M output tokens.
How much does Claude Sonnet 5 cost per request?
A typical request of 800 input and 200 output tokens costs about $0.0036 on Claude Sonnet 5.
Is Claude Sonnet 5 cheaper than Claude Sonnet 4?
Claude Sonnet 5 is cheaper than Claude Sonnet 4 on input tokens, by about 33%.
Does Claude Sonnet 5 have cache pricing?
Yes — cached input reads cost $0.20 per 1M tokens, and cache writes cost $2.50 per 1M tokens.

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