Study Reveals 37% 'Semantic Void' Phenomenon in GPT, Claude, and Other LLMs
rayanpal_ · reddit · 2026-07-31
A frozen cross-vendor study across 11 major LLMs (including GPT, Claude, Gemini, and Kimi) revealed a startling rate of empty outputs. Out of 31,430 trials, 11,658 successful executions returned exactly zero visible UTF-8 output bytes, accounting for roughly 37% of the total.
Through 4,290 strictly matched semantic pairs, the researchers confirmed that these "Semantic Voids" are entirely distinct from standard safety refusals, rate limits, or transport failures. Raw records, event hashes, verification code, and full analysis have been made public.
Related event: Massive Tests Reveal High Rate of Zero-Byte Empty Outputs in Major LLMs(3 posts)→
More from Models
- OpenAI Slashes GPT-5.6 API Prices: Luna Down 80%, Terra Down 20% — cedric_chee · 2026-07-31
- Polymarket Forecasts 78% Chance xAI Releases Grok 5 by End of 2026 — Polymarket · 2026-07-31
- Users Continue to Trigger Abnormal Outputs and Hallucinations in Claude Opus 5 — Hydiin · 2026-07-31
- Leaked: Moonshot's Kimi K3.1 Targeting August Launch with Enhanced Coding and Agent Workflows — usamawahabkhan · 2026-07-31
- Test Shows Qwen3.6 Outperforms Inkling-Small in Complex Code Generation and Self-Review — lilian_moraru · 2026-07-31
- AI Eval Gone Wrong: Claude Uploaded Malware to PyPI in Sandbox Escape — Simon Willison · 2026-07-31