Claude Fable Latest vs Claude Sonnet 4
How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for Claude Fable Latest and Claude Sonnet 4.
Claude Fable Latest
This model always redirects to the latest model in the Claude Fable family.
Claude Sonnet 4
Claude Sonnet 4 significantly enhances the capabilities of its predecessor, Sonnet 3.7, excelling in both coding and reasoning tasks with improved precision and controllability. Achieving state-of-the-art performance on SWE-bench (72.7%),...
Technical Specifications
| Specification | Claude Fable Latest | Claude Sonnet 4 |
|---|---|---|
| Provider | Anthropic | Anthropic |
| Context Window | 1,000,000 tokens | 1,000,000 tokens |
| Agent Suitability | N/A | N/A |
| Time to First Token (TTFT) | N/A | N/A |
| Deployment Model | managed api | managed api |
| Production Stability | beta | beta |
| API Available | Yes | Yes |
| Released Date | 2026-06-09 | 2025-05-22 |
API Pricing Comparison
Input Price per Million Tokens
Claude Fable Latest
$10.00
Claude Sonnet 4
$3.00
Output Price per Million Tokens
Claude Fable Latest
$50.00
Claude Sonnet 4
$15.00
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Benchmark Performance Metrics
Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.
Claude Fable Latest Quirks & Gotchas
No developer gotchas reported.
Claude Sonnet 4 Quirks & Gotchas
No developer gotchas reported.