Thinking Machines has 2 models on The Model Index, from Inkling (Jul 2026) to Inkling-Small (30 Jul 2026). Its strongest is Inkling-Small, with an index score of 154 (GPT-4 = 100), rank 48 of 229. All have open weights.
Index score is fitted from independent evaluations and scaled so GPT-4 = 100; a striped bar is an estimate for a model not yet independently tested. Prices are list prices per million tokens.
Dates come from each lab's own announcement, linked where one exists.