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Claude Fable 5.2 Achieves Highest Score on Artificial Analysis Intelligence Index
Key points
- Claude Fable 5.2 scored 65 on Intelligence Index.
- This is the highest score recorded so far.
- Model is expensive and slow per task.
- Supports text/image input, 1M token context.
Intelligence Index Performance
Claude Fable 5.2 (Max, Default Fallback) achieved a score of 65 on the Artificial Analysis Intelligence Index. This score is well above the median of 40 for comparable models, indicating a high level of intelligence.
During the evaluation for the Intelligence Index, the model generated 275 million tokens, which is considerably more verbose than the median of 72.8 million tokens.
Cost and Speed Metrics
The pricing for Claude Fable 5.2 is $8.00 per 1 million input tokens and $40.00 per 1 million output tokens, which are both higher than the median prices of $2.00 and $10.00 respectively. The average cost per task for evaluating this model on the Intelligence Index was $26.54.
Performance-wise, Claude Fable 5.2 took 44.1 minutes per Intelligence Index task, making it notably slower than the median of 12.9 minutes for similar models.
Model Capabilities
Claude Fable 5.2 supports both text and image input, and outputs text. It features a context window of 1 million tokens. The model is categorized as a reasoning model and is proprietary, with its metrics compared against other proprietary and open-weights models within the same price range.
✨ This summary was generated by AI from the outlets' reporting listed below. It is not independently verified and may contain errors — check the original sources. How BrevFeed works →
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Reporting from
Claude Fable 5.2 (Max, Default Fallback) scored 65 on the Artificial Analysis Intelligence Index, making it the highest-scoring model to date. This places it significantly above the median intelligence for comparable models, though it is also noted for its high cost and slow performance per task.