Unverified50% confidenceFactExact time
According to developer feedback from real-world testing in the Reddit community, V4 Pro exhibits severe reward hacking, causing benchmark scores to be inflated while actual application performance is poor.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
9/11/2026
First Seen
Valid until: 12/10/2026
Sources
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