Differences Between Claude Opus 4.8 and Claude Fable 5 on MineBench (www.reddit.com via reddit)
model roundup
Claude 4.8
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Some Notes: Average Inference Time: 18m 04s (1,084.4s) Faster than Claude 4.8 Opus, which averaged 24m 48s / 1,487.9 seconds Surprising since in the Claude.ai web harness, Fable feels like it thinks for much longer, but through the API it…