AI & SaaS Pricing Tracker / Claude API
Anthropic · AI model APIs

Claude API pricing

Anthropic Claude API models are priced per million tokens for input, output, and cache operations with different rates by model and usage type.

Pricing model: Usage-basedLast verified: Oct 11, 2026Source: Anthropic pricing page ↗

Claude Fable 5.1

$10 / MTok
Output tokens priced at $50 / MTok; 5-minute cache writes at $12.50 / MTok; 1-hour cache writes at $20 / MTok; cache hits & refreshes at $0.25 / MTok.
  • Base input tokens at $10 / million tokens
  • Output tokens at $50 / million tokens
  • 5-minute cache writes at $12.50 / million tokens
  • 1-hour cache writes at $20 / million tokens
  • Cache hits & refreshes at $0.25 / million tokens

Claude Opus 5.5

$4 / MTok
Output tokens priced at $20 / MTok; 5-minute cache writes at $5 / MTok; 1-hour cache writes at $8 / MTok; cache hits & refreshes at $0.20 / MTok.
  • Base input tokens at $4 / million tokens
  • Output tokens at $20 / million tokens
  • 5-minute cache writes at $5 / million tokens
  • 1-hour cache writes at $8 / million tokens
  • Cache hits & refreshes at $0.20 / million tokens

Claude Sonnet 5.5

$2 / MTok
Output tokens priced at $10 / MTok; 5-minute cache writes at $2.50 / MTok; 1-hour cache writes at $4 / MTok; cache hits & refreshes at $0.10 / MTok.
  • Base input tokens at $2 / million tokens
  • Output tokens at $10 / million tokens
  • 5-minute cache writes at $2.50 / million tokens
  • 1-hour cache writes at $4 / million tokens
  • Cache hits & refreshes at $0.10 / million tokens

Claude Haiku 5.5

$0.10 / MTok for prompts up to 100,000 tokens
For prompts over 100,000 tokens, input tokens priced at $0.50 / MTok; output tokens at $0.50 / MTok; 5-minute cache writes at $2.50 / MTok; 1-hour cache writes at $0.625 / MTok; cache hits & refreshes at $0.05 / MTok.
  • Base input tokens at $0.10 / million tokens for prompts up to 100,000 tokens
  • Output tokens at $0.50 / million tokens
  • 5-minute cache writes at $0.125 / million tokens
  • 1-hour cache writes at $0.20 / million tokens
  • Cache hits & refreshes at $0.01 / million tokens
  • Base input tokens at $0.50 / million tokens for prompts over 100,000 tokens

Claude Mythos 5.1

$10 / MTok
Output tokens priced at $50 / MTok; 5-minute cache writes at $12.50 / MTok; 1-hour cache writes at $20 / MTok; cache hits & refreshes at $0.25 / MTok.
  • Base input tokens at $10 / million tokens
  • Output tokens at $50 / million tokens
  • 5-minute cache writes at $12.50 / million tokens
  • 1-hour cache writes at $20 / million tokens
  • Cache hits & refreshes at $0.25 / million tokens

Claude Fable 5

$10 / MTok
Output tokens priced at $50 / MTok; 5-minute cache writes at $12.50 / MTok; 1-hour cache writes at $20 / MTok; cache hits & refreshes at $1 / MTok.
  • Base input tokens at $10 / million tokens
  • Output tokens at $50 / million tokens
  • 5-minute cache writes at $12.50 / million tokens
  • 1-hour cache writes at $20 / million tokens
  • Cache hits & refreshes at $1 / million tokens

Claude Mythos 5

$10 / MTok
Output tokens priced at $50 / MTok; 5-minute cache writes at $12.50 / MTok; 1-hour cache writes at $20 / MTok; cache hits & refreshes at $1 / MTok.
  • Base input tokens at $10 / million tokens
  • Output tokens at $50 / million tokens
  • 5-minute cache writes at $12.50 / million tokens
  • 1-hour cache writes at $20 / million tokens
  • Cache hits & refreshes at $1 / million tokens

Claude Opus 5

$5 / MTok
Output tokens priced at $25 / MTok; 5-minute cache writes at $6.25 / MTok; 1-hour cache writes at $10 / MTok; cache hits & refreshes at $0.50 / MTok.
  • Base input tokens at $5 / million tokens
  • Output tokens at $25 / million tokens
  • 5-minute cache writes at $6.25 / million tokens
  • 1-hour cache writes at $10 / million tokens
  • Cache hits & refreshes at $0.50 / million tokens

Claude Opus 4.8

$5 / MTok
Output tokens priced at $25 / MTok; 5-minute cache writes at $6.25 / MTok; 1-hour cache writes at $10 / MTok; cache hits & refreshes at $0.50 / MTok.
  • Base input tokens at $5 / million tokens
  • Output tokens at $25 / million tokens
  • 5-minute cache writes at $6.25 / million tokens
  • 1-hour cache writes at $10 / million tokens
  • Cache hits & refreshes at $0.50 / million tokens

Claude Opus 4.7

$5 / MTok
Output tokens priced at $25 / MTok; 5-minute cache writes at $6.25 / MTok; 1-hour cache writes at $10 / MTok; cache hits & refreshes at $0.50 / MTok.
  • Base input tokens at $5 / million tokens
  • Output tokens at $25 / million tokens
  • 5-minute cache writes at $6.25 / million tokens
  • 1-hour cache writes at $10 / million tokens
  • Cache hits & refreshes at $0.50 / million tokens

Claude Opus 4.6

$5 / MTok
Output tokens priced at $25 / MTok; 5-minute cache writes at $6.25 / MTok; 1-hour cache writes at $10 / MTok; cache hits & refreshes at $0.50 / MTok.
  • Base input tokens at $5 / million tokens
  • Output tokens at $25 / million tokens
  • 5-minute cache writes at $6.25 / million tokens
  • 1-hour cache writes at $10 / million tokens
  • Cache hits & refreshes at $0.50 / million tokens

Claude Opus 4.5

$5 / MTok
Output tokens priced at $25 / MTok; 5-minute cache writes at $6.25 / MTok; 1-hour cache writes at $10 / MTok; cache hits & refreshes at $0.50 / MTok.
  • Base input tokens at $5 / million tokens
  • Output tokens at $25 / million tokens
  • 5-minute cache writes at $6.25 / million tokens
  • 1-hour cache writes at $10 / million tokens
  • Cache hits & refreshes at $0.50 / million tokens

Claude Opus 4.1

$15 / MTok
Output tokens priced at $75 / MTok; 5-minute cache writes at $18.75 / MTok; 1-hour cache writes at $30 / MTok; cache hits & refreshes at $1.50 / MTok.
  • Base input tokens at $15 / million tokens
  • Output tokens at $75 / million tokens
  • 5-minute cache writes at $18.75 / million tokens
  • 1-hour cache writes at $30 / million tokens
  • Cache hits & refreshes at $1.50 / million tokens

Claude Sonnet 5

$2 / MTok
Output tokens priced at $10 / MTok; 5-minute cache writes at $2.50 / MTok; 1-hour cache writes at $4 / MTok; cache hits & refreshes at $0.20 / MTok.
  • Base input tokens at $2 / million tokens
  • Output tokens at $10 / million tokens
  • 5-minute cache writes at $2.50 / million tokens
  • 1-hour cache writes at $4 / million tokens
  • Cache hits & refreshes at $0.20 / million tokens

Claude Sonnet 4.6

$3 / MTok
Output tokens priced at $15 / MTok; 5-minute cache writes at $3.75 / MTok; 1-hour cache writes at $6 / MTok; cache hits & refreshes at $0.30 / MTok.
  • Base input tokens at $3 / million tokens
  • Output tokens at $15 / million tokens
  • 5-minute cache writes at $3.75 / million tokens
  • 1-hour cache writes at $6 / million tokens
  • Cache hits & refreshes at $0.30 / million tokens

Claude API price history

Claude Fable 5.1Claude Opus 5.5Claude Sonnet 5.5Claude Haiku 5.5Claude Mythos 5.1Claude Fable 5Claude Mythos 5Claude Opus 5
$0$5$10$15$20FebMarAprMayJunJulAugSepOct
Headline price per 1M input tokens. Hover for exact prices. The full dated list of changes is below.

Claude API pricing changes

History before weekly tracking started is reconstructed from monthly Internet Archive captures of the pricing page, starting Jan 4, 2026.

Oct 11, 2026New planNew plan Claude Sonnet 5.5 at $2 / MTok.
Oct 11, 2026New planNew plan Claude Haiku 5.5 at $0.10 / MTok for prompts up to 100,000 tokens.
Oct 11, 2026Plan removedClaude Haiku 4.5 ($1 / MTok) is no longer listed.
Oct 11, 2026Plan removedClaude Sonnet 4.5 ($3 / MTok) is no longer listed.
Sep 25, 2026New planNew plan Claude Fable 5.1 at $10 / MTok.
Sep 25, 2026New planNew plan Claude Opus 5.5 at $4 / MTok.
Sep 25, 2026New planNew plan Claude Mythos 5.1 at $10 / MTok.
Sep 1, 2026New planNew plan Claude Sonnet 5 at $2 / MTok.
Sep 1, 2026Plan removedClaude Sonnet 5 (through August 31, 2026) ($2 / MTok) is no longer listed.
Sep 1, 2026Plan removedClaude Sonnet 5 (starting September 1, 2026) ($3 / MTok) is no longer listed.
Aug 1, 2026New planNew plan Claude Opus 5 at $5 / MTok.
Jul 1, 2026New planNew plan Claude Fable 5 at $10 / MTok.
Jul 1, 2026New planNew plan Claude Mythos 5 at $10 / MTok.
Jul 1, 2026New planNew plan Claude Sonnet 5 (through August 31, 2026) at $2 / MTok.
Jul 1, 2026New planNew plan Claude Sonnet 5 (starting September 1, 2026) at $3 / MTok.
Jun 1, 2026New planNew plan Claude Opus 4.8 at $5 / MTok.
Jun 1, 2026Plan removedClaude Opus 4 ($15 / MTok) is no longer listed.
Jun 1, 2026Plan removedClaude Sonnet 4 ($3 / MTok) is no longer listed.
Jun 1, 2026Plan removedClaude Haiku 3.5 ($0.80 / MTok) is no longer listed.
Jun 1, 2026Plan removedClaude Haiku 3 ($0.25 / MTok) is no longer listed.
May 4, 2026New planNew plan Claude Opus 4.7 at $5 / MTok.
Mar 1, 2026New planNew plan Claude Opus 4.6 at $5 / MTok.
Mar 1, 2026New planNew plan Claude Sonnet 4.6 at $3 / MTok.

Claude API vs. other AI model APIs

ProductPricing modelLowest paid planHighest listed plan
Claude APIUsage-basedClaude Haiku 5.5: $0.10 / MTok for prompts up to 100,000 tokensClaude Opus 4.1: $15 / MTok
OpenAI APIUsage-basedgpt-6-luna: $0.10 per 1M input tokensgpt-6-astra: $10.00 per 1M input tokens
Gemini APIUsage-basedgemini-2.5-flash-lite: $0.10 per 1M tokensgemini-3.1-pro-preview: $2.00 per 1M tokens
Grok APIUsage-basedgrok-build-0.1: $1.00 / 1M input tokensgrok-4.5: $2.00 / 1M input tokens

From each vendor's latest verified pricing page. Units differ between products, so compare what each plan includes, not only the number.

Claude API pricing FAQ

How much does Claude API cost?

Claude API lists 15 plans: Claude Fable 5.1 at $10 / MTok; Claude Opus 5.5 at $4 / MTok; Claude Sonnet 5.5 at $2 / MTok; Claude Haiku 5.5 at $0.10 / MTok for prompts up to 100,000 tokens; Claude Mythos 5.1 at $10 / MTok; Claude Fable 5 at $10 / MTok; and more. Prices as published on Anthropic's pricing page, last verified Oct 11, 2026.

Has Claude API pricing changed?

Yes. 23 changes recorded. The most recent, on Oct 11, 2026: New plan Claude Sonnet 5.5 at $2 / MTok.

How is Claude API pricing tracked here?

RevExOS reads Anthropic's public pricing page every week, extracts each plan's price, unit and inclusions, and records any difference from the previous check as a dated change. Promotional and introductory prices are noted separately from the regular price.

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