Claude Fable 5.1 (Max, Default Fallback) Token Counter & Cost Calculator
Count tokens for Claude Fable 5.1 (Max, Default Fallback) and estimate the exact API cost — $10.00
per 1M input tokens, $50.00 per 1M output tokens — using a real
o200k_base BPE tokenizer. Everything runs in your browser; nothing is uploaded.
Claude Fable 5.1 (Max, Default Fallback)
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
| Model | Input $/1M | Output $/1M | This text (input) | +500 output tokens |
|---|---|---|---|---|
| Claude Opus 5.5 (Max, Default Fallback) | 4.00 | 20.00 | $0 | $0 |
| Claude Sonnet 5.5 (Max, Default Fallback) | 2.00 | 10.00 | $0 | $0 |
| Claude Fable 5.1 (Max, Default Fallback) | 10.00 | 50.00 | $0 | $0 |
| GPT-6 Astra (Max) | 10.00 | 50.00 | $0 | $0 |
| Gemini 4 Argon (High) | 2.00 | 10.00 | $0 | $0 |
| Muse Wonder (Max) | 4.00 | 20.00 | $0 | $0 |
| GPT-6.1 Sol (Max) | 2.00 | 10.00 | $0 | $0 |
| Claude Opus 5 (Max) | 5.00 | 25.00 | $0 | $0 |
Close estimate (±15%): Anthropic does not publish its tokenizer, so this count uses OpenAI's o200k_base as an approximation.
Cost lookup — Claude Fable 5.1 (Max, Default Fallback)
| Tokens | Cost on Claude Fable 5.1 (Max, Default Fallback) |
|---|---|
| 1K input tokens | $0.0100 |
| 10K input tokens | $0.1000 |
| 100K input tokens | $1.00 |
| 1M input tokens | $10.00 |
| 1K output tokens | $0.0500 |
| 10K output tokens | $0.5000 |
FAQ
How accurate is the Claude Fable 5.1 (Max, Default Fallback) 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 5.1 (Max, Default Fallback) API cost calculated?
Cost = (input tokens ÷ 1,000,000) × $10.00 + (output tokens ÷ 1,000,000) × $50.00 — Claude Fable 5.1 (Max, Default Fallback)'s official per-1M-token prices from Artificial Analysis.
Does this cover every reasoning-effort tier of Claude Fable 5.1 (Max, Default Fallback)?
Pricing shown is for the merged representative tier. Claude Fable 5.1 (Max, Default Fallback) groups 5 reasoning-effort variants: Claude Fable 5.1 (Max, Default Fallback), Claude Fable 5.1 (Xhigh, Default Fallback), Claude Fable 5.1 (High, Default Fallback), Claude Fable 5.1 (Medium, Default Fallback), Claude Fable 5.1 (Low, Default Fallback).
See full Claude Fable 5.1 (Max, Default Fallback) pricing & benchmarks, or the main token counter for every model.