Claude Fable 5.2 Token Counter & Cost Calculator

Count tokens for Claude Fable 5.2 and estimate the exact API cost — $8.00 per 1M input tokens, $40.00 per 1M output tokens — using a real o200k_base BPE tokenizer. Everything runs in your browser; nothing is uploaded.

0
tokens (o200k_base)
0
characters
0
words

Claude Fable 5.2

$0
input cost
$0
output cost (est.)
$0
total per request

Counts are exact for OpenAI models (o200k_base is GPT-4o/4.1/5's tokenizer). For Claude, Gemini and other vendors — whose tokenizers are not public — treat the count as a close estimate (typically within ±15%).

Cost of this text across popular models

Close estimate (±15%): Anthropic does not publish its tokenizer, so this count uses OpenAI's o200k_base as an approximation.

Cost lookup — Claude Fable 5.2

TokensCost on Claude Fable 5.2
1K input tokens0.8¢
10K input tokens$0.0800
100K input tokens$0.8000
1M input tokens$8.00
1K output tokens$0.0400
10K output tokens$0.4000

FAQ

How accurate is the Claude Fable 5.2 token count?

Close estimate (±15%): Anthropic does not publish its tokenizer, so this count uses OpenAI's o200k_base as an approximation. Paste your own text above to see the exact number for your prompt.

How is Claude Fable 5.2 API cost calculated?

Cost = (input tokens ÷ 1,000,000) × $8.00 + (output tokens ÷ 1,000,000) × $40.00 — Claude Fable 5.2's per-1M-token prices (Anthropic's official list price as recorded by models.dev).

See full Claude Fable 5.2 pricing & benchmarks, or the main token counter for every model.