Claude Code returns blank thinking blocks, but reasoning still costs you

The Register
Aug 14, 2026, 3:30 am126 ptsTrending
Anthropic's Claude Code appears to be having trouble displaying summaries of its "thinking," according to several bug reports, while the underlying reasoning tokens still cost money. According to complaints, the API has been returning empty thinking blocks for Opus 4.8 and Sonnet 5 even when users explicitly…

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