LLM API pricing / Anthropic
What the Claude API costs, model by model
Anthropic sells 14 current models with a verified price on its API, from $1.00 to $10.00 per 1M input tokens and from $5.00 to $50.00 per 1M output tokens. Every price below was read on a page Anthropic publishes, verified between September 28, 2026 and September 29, 2026, and links to it.
Current models
| Model | Input $/1M | Output $/1M | Cached input | Context | Verified |
|---|---|---|---|---|---|
| Claude Haiku 4.5 | $1.00 | $5.00 | $0.10 | 200K | 2026-09-28 |
| Claude Sonnet 5 | $2.00 | $10.00 | $0.20 | 1M | 2026-09-28 |
| Claude Sonnet 5.5 | $2.00 | $10.00 | $0.20 | 1M | 2026-09-29 |
| Claude Sonnet 4.6 | $3.00 | $15.00 | $0.30 | 1M | 2026-09-28 |
| Claude Opus 5.5 | $4.00 | $20.00 | $0.20 | 1M | 2026-09-28 |
| Claude Opus 4.5 | $5.00 | $25.00 | $0.50 | 200K | 2026-09-28 |
| Claude Opus 4.6 | $5.00 | $25.00 | $0.50 | 1M | 2026-09-28 |
| Claude Opus 4.7 | $5.00 | $25.00 | $0.50 | 1M | 2026-09-28 |
| Claude Opus 4.8 | $5.00 | $25.00 | $0.50 | 1M | 2026-09-28 |
| Claude Opus 5 | $5.00 | $25.00 | $0.50 | 1M | 2026-09-28 |
| Claude Fable 5 | $10.00 | $50.00 | $1.00 | 1M | 2026-09-28 |
| Claude Fable 5.1 | $10.00 | $50.00 | $0.25 | 1M | 2026-09-28 |
| Claude Mythos 5 | $10.00 | $50.00 | $1.00 | 1M | 2026-09-28 |
| Claude Mythos 5.1 | $10.00 | $50.00 | $0.25 | 1M | 2026-09-28 |
How Anthropic prices its models
- 14 of the 14 models publish a cached-input price, at 2.5%, 5% or 10% of the input price.
Second price lists
Prices Anthropic prints for other ways of buying the same tokens, per 1M tokens, only where its page prints a figure for the model.
Batch · 50% discount on both input and output tokens
- Claude Haiku 4.5: $0.50 input, $2.50 output (read September 16, 2026)
- Claude Sonnet 5: $1.00 input, $5.00 output (read September 16, 2026)
- Claude Sonnet 5.5: $1.00 input, $5.00 output (read September 29, 2026)
- Claude Sonnet 4.6: $1.50 input, $7.50 output (read September 16, 2026)
- Claude Opus 5.5: $2.00 input, $10.00 output (read September 24, 2026)
- Claude Opus 4.5: $2.50 input, $12.50 output (read September 16, 2026)
- Claude Opus 4.6: $2.50 input, $12.50 output (read September 16, 2026)
- Claude Opus 4.7: $2.50 input, $12.50 output (read September 16, 2026)
- Claude Opus 4.8: $2.50 input, $12.50 output (read September 16, 2026)
- Claude Opus 5: $2.50 input, $12.50 output (read September 16, 2026)
- Claude Fable 5: $5.00 input, $25.00 output (read September 16, 2026)
- Claude Fable 5.1: $5.00 input, $25.00 output (read September 16, 2026)
- Claude Mythos 5: $5.00 input, $25.00 output (read September 16, 2026)
- Claude Mythos 5.1: $5.00 input, $25.00 output (read September 16, 2026)
Anthropic: "The Batch API allows asynchronous processing of large volumes of requests with a 50% discount on both input and output tokens." source
Fast mode · double Standard
- Claude Opus 5.5: $8.00 input, $40.00 output (read September 24, 2026)
- Claude Opus 4.8: $10.00 input, $50.00 output (read September 24, 2026)
- Claude Opus 5: $10.00 input, $50.00 output (read September 24, 2026)
Anthropic: "Fast mode, in research preview, provides significantly faster output for Claude Opus 5.5, Claude Opus 5, and Claude Opus 4.8 at premium pricing." source
Retirements
Deprecated, still callable: Claude Sonnet 4.5 (shutdown November 30, 2026).
Retired: Claude Opus 4.1 (August 5, 2026), Claude Opus 4 (June 15, 2026), Claude Sonnet 4 (June 15, 2026), Claude 3 Haiku (April 20, 2026), Claude 3.5 Haiku (February 19, 2026), Claude 3.7 Sonnet (February 19, 2026), Claude Haiku 3.5.
- August 5, 2026: Retirement of Claude Opus 4.1 source
- November 30, 2026 (announced): Retirement of Claude Sonnet 4.5 (deprecated September 30, 2026; Anthropic recommends Claude Sonnet 5.5) source
Recorded price changes
- October 1, 2026 · correction of this site's reading. Correction of this site's record, not a price change by Anthropic: no price moved. This page gave Claude Haiku 4.5's release date as October 1, 2025; Anthropic's model page, read on October 1, 2026, prints 'Released October 15, 2025', which also matches the retirement commitment on the same page ('Not sooner than October 15, 2026'). The earlier date had no source recorded. The release date shown here was corrected that day. source
- September 30, 2026 · correction of this site's reading. Correction of this site's record, not a price change by Anthropic: no price moved. This page gave Claude Opus 4.5's release date as November 1, 2025; Anthropic's model page, read on September 30, 2026, prints 'Released November 24, 2025', which also matches the retirement commitment on the same page ('Not sooner than November 24, 2026'). The earlier date had no source recorded. The release date shown here was corrected that day. source
- September 16, 2026 · added to this dataset, our omission: Claude Haiku 3.5. Full explanation
Analysis that cites Anthropic models
- Prompt Caching Is Not 10% Everywhere: What a Cache Hit Costs Across Eight Providers · names 7 Anthropic models
- Same List Price, Different Bill: Five Pairs of LLM APIs Where the Workload Decides What You Pay · names 2 Anthropic models
- The Second Price List: What Batch, Flex, Priority and Data-Sharing Discounts Cost Across Seven Providers · names 2 Anthropic models
- Five Things Decide What You Pay for a Model, and Only One of Them Is the Model · names 1 Anthropic model
How every figure is checked: methodology. All providers: the full pricing table.