Unverified50% confidenceFactExact time
Compared with Hy4 Preview, Hy4 has improved in three areas: instruction following, long-context performance, and stability in long-running tasks and deep research scenarios.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
11/4/2026
First Seen
Valid until: 2/2/2027
Sources
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