Unverified50% confidenceFactExact time
In OpenRouter traffic from August 22 to September 20, 2025, the ratio of uncached input tokens to output tokens was 16.29x for Claude Fable 5 and 14.64x for GPT-6 Astra, with input costs accounting for about 75% of total cost.
1
Sources
50%
Confidence
Short-term (~14 days)
Relevance
10/19/2026
First Seen
Valid until: 11/2/2026
Sources
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