Unverified50% confidenceFactExact time
Haiku 5.5 has adaptive thinking enabled by default, and about one third of its responses (749 out of 2255) begin with a thinking block.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/18/2026
First Seen
Valid until: 1/16/2027
Sources
Related Entities
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