Side by side
Claude Fable 5 vs Claude Fable 5.1
Source: OpenRouter (live)
Live figures
The numbers
Best value in each row is highlighted. “Not declared” means the provider does not advertise the feature on its listing.
| Attribute | ||
|---|---|---|
| Input priceUSD per 1M tokens | $10.00 | $10.00 |
| Output priceUSD per 1M tokens | $50.00 | $50.00 |
| Blended price75% in / 25% out | $20.00 | $20.00 |
| Vs. market median | 25.0× dearer | 25.0× dearer |
| Value rankcheapest = 1 | #403 | #401 (best) |
| Context windowtokens | 1M | 1M |
| Max outputtokens | 128K | 128K |
| Input modalities | text, image, file | text, image, file |
| Output modalities | text | text |
| Tool calling | Declared | Declared |
| Reasoning | Declared | Declared |
| Structured output | Declared | Declared |
| Listed on OpenRouter | 2026-06-09 | 2026-09-01 (best) |
Blended price assumes a 3:1 input-to-output token mix. Median is across all 417 priced models.
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What the numbers say
Models
Model pages
Full pricing history, capabilities and alternatives for each model in this comparison.
Anthropic
$20.00
/M blended
Anthropic
$20.00
/M blended
More comparisons
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