Anthropic Claude LLM API Cost Calculator
Compare what your prompts cost across every major LLM — with exact token counts for OpenAI models, right in your browser.
Prices verified 2026-07-11 · per 1M tokens · sources linked per provider
| Model | Cost / call | Cost / month | × best price |
|---|---|---|---|
| Claude Haiku 4.5cheapest | $0.006 | $6.00 | — |
| Claude Sonnet 5 | $0.012 | $12.00 | 2.0× |
| Claude Opus 4.8 | $0.03 | $30.00 | 5.0× |
| Claude Fable 5 | $0.06 | $60.00 | 10.0× |
Token counter
0 tokens
Token counts are exact for OpenAI models (tiktoken o200k_base, run in your browser). For other providers the count is an estimate — notably Claude Opus 4.7+/Sonnet 5 and similar newer models use a tokenizer that produces roughly 30% more tokens for the same text.
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