Claude API pricing in TokenCalculator covers Haiku, Sonnet, and Opus rows from Anthropic. Rates checked 12 Aug 2026. In-browser counts are Approx. Use Anthropic count_tokens before you lock a launch budget.
Anthropic rates in TokenCalculator
Example cost uses 1000 input tokens and 500 output tokens. Rates checked 12 Aug 2026. Open a row to price your own prompt.
Anthropic families
Treat the catalog as a map of product tiers, not a single price. Mini, nano, flash, and flagship rows exist so you can match quality to budget instead of paying frontier rates for classification.
- Haiku: volume chat and cheap classification.
- Sonnet: default production Claude for most products.
- Opus: hard reasoning and long jobs where quality beats list price.
Snapshot
| # | Model | Input / 1M | Output / 1M | Example |
|---|---|---|---|---|
| 1 | Claude 3 Haiku | $0.250/1M | $1.25/1M | $0.000875 |
| 2 | Claude 3.5 Haiku | $0.800/1M | $4.00/1M | $0.0028 |
| 3 | Claude Haiku 4.5 | $1.00/1M | $5.00/1M | $0.0035 |
| 4 | Claude Sonnet 5 | $2.00/1M | $10.00/1M | $0.007 |
| 5 | Claude 3.5 Sonnet | $3.00/1M | $15.00/1M | $0.0105 |
| 6 | Claude 3 Sonnet | $3.00/1M | $15.00/1M | $0.0105 |
| 7 | Claude Sonnet 4.6 | $3.00/1M | $15.00/1M | $0.0105 |
| 8 | Claude Opus 4.6 | $5.00/1M | $25.00/1M | $0.0175 |
Levers that change the bill
- Prompt cache hits and writes follow Anthropic rules, not OpenAI rules.
- Long context can fit more text without a separate host.
- Output tokens on Opus move the bill faster than input.
How to estimate in TokenCalculator
Pick the Anthropic row that matches the API model id you deploy. Paste a real prompt, set expected output tokens, then scale by users and messages per day. Toggle cache or batch only when this catalog publishes those rates for that row.
Common mistakes
- Treating Approx browser counts as invoices.
- Assuming Claude cache behaves like OpenAI cache.
- Comparing Opus input list price to a Flash model and calling it a fair test.
Frequently asked questions
Is this the official Anthropic price list?
No. It is a curated snapshot with a checked date and a link to Anthropic’s pricing page. Use the official page for contracts.
Why is my invoice different?
Token counts, output length, cache writes, batch jobs, and private discounts all move the invoice. Hold the prompt constant in the calculator, then compare to billed tokens from the provider export.