Inkling 2 Small scores 31 on AA index; finetunability may become a key open-weight metric

simonguozirui · x · 2026-11-06

Thinking Machines released Inkling 2 Small, scoring 31 on the AA Intelligence Index — a big jump over its predecessor. It's available for fine-tuning and inference on Tinker, with full weight release planned soon.

guohaoli highlights the most interesting part: its finetunability. Many open-weight models aren't designed to be finetuning-friendly and are hard to adapt; he argues finetunability should become a key metric for open-weight models. The chart shows Inkling 2 Small achieving higher held-out rubric reward than GLM 5.3 Flash, DeepSeek V4.1 Flash 1017, and Qwen 3.5 397B at the same training steps and cost.

Related event: Thinking Machines launches Inkling 2 Small, open weights coming next week(42 posts)→

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