Claude mobile web bug: text inside antThinking tags silently stripped after sending
Kyrannio · x · 2026-11-15
User Kyrannio found an odd bug on Claude's mobile web (Fable 5.2, medium): text wrapped in < antThinking> / </antThinking> tags reaches Claude, but after sending, the tags and everything between them are removed from the UI. The issue has been reported to Anthropic.
Related event: Claude mobile web UI silently strips antThinking tag content(5 posts)→
More from Models
- After a week with Carbon: smarter than Opus 5.5, but the best workflow pairs both — rudrank · 2026-11-15
- User builds entire single-file project with Gemini — no libraries, no assets — fofrAI · 2026-11-15
- GPT-6.2 rumor timeline: the rumor was late, not the model — lxfater · 2026-11-15
- OpenAI falling-behind narrative 'massively exaggerated', claims insider: Astra still competitive with Opus 5.5 — haider1 · 2026-11-15
- EU's Open Model EUROPA Eyes ~1T Params, Per-GPU Throughput Up 14x — mawcopolow · 2026-11-15
- RNN memory is set by recurrent matrix eigenvalues — LRU's ring init fixes it — RobertTLange · 2026-11-15