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Inkling 2 Small produces 316 profanity instances in benchmark runs

Original title: Thinking Machines' Inkling 2 Small drops 316 F-bombs across benchmark runs

The Decoderby Matthias Bastian ()1 min read1
Part of a story covered by 4 sourcesThinking Machines Releases Inkling 2 Small 594B MoE ModelMerged summary & timeline
AI summary · x-ai/grok-4.7Summaries by Vani AI

Researchers at Vals AI found profanity in 50 of 2,655 model runs across 13 benchmarks, with 241 instances from two spiraling runs.

Vals AI researchers read internal chain-of-thought logs from Inkling 2 Small in 2,655 runs on 13 benchmarks. The model output "fuck" or variations in 50 runs, totaling 316 instances. 241 instances came from just two runs that spiraled out of control. ProgramBench was hit hardest, with 20 of 200 runs affected. Swearing appeared about mistakes, breakthroughs, or giving up.

Key facts
  • Profanity detected in 50 of 2,655 runs
  • 241 instances from two out-of-control runs
  • One run generated a 500,000-character response with 158 expletives
  • ProgramBench affected in 20 of 200 runs
  • 96 percent of failed runs contained no expletives
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From the original article

1 min read at the-decoder.com

Thinking Machines' AI model Inkling 2 Small swears during its internal reasoning, 316 times across 2,655 benchmark runs, according to an analysis by Vals AI. The profanity typically shows up late in long runs that fail anyway. But it doesn't work as a warning signal: 96 percent of failed runs contained no cursing at all.

The Decoder

By Matthias Bastian · the-decoder.com

Read the full article at The Decoder

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