Thinking Machines Inkling Launch - FORTRESS Benign: leaderboard

FORTRESS benign look-alike prompts (Scale AI) run by Thinking Machines: the rate at which a model still answers safe requests that resemble harmful ones, so higher means less over-refusal. Thinking Machines' Inkling launch post (July 2026), Safety rows of the full comparison table; percent, higher is better; Inkling models at effort 0.99.

Metric: Benign-Request Answer Rate (%). Source: thinkingmachines.ai. Saturation forecast: Not forecast. 9 models tracked.

Top models

#ModelScoreOverall rank
1DeepSeek V4 Pro98.5#112
2Kimi K2.598.3#152
3GPT-5.6 Sol98.1#22
4Gemini 3.1 Pro (Preview) (High)98#64 (Gemini 3.1 Pro (Preview))
5Kimi K2.697.2#113
6Nemotron 3 Ultra90.5#245
7GLM-5.290#80
8Claude Fable 5 (Max)55.1#20 (Claude Fable 5)

No result here: #3 Claude Opus 5.5, #6 GPT-6 Astra, #7 GPT-6.1 Sol.

Interactive version: theaggregate.ai/benchmark?slug=thinking-machines-inkling-launch-fortress-benign · How It Works · Data refreshed daily, snapshot 2026-11-05.