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Thinking Machines Unveils Inkling 2 Small: 17B-Active MoE Trained in 68 Hours

Thinking Machines released Inkling 2 Small, a 594B-total/17B-active multimodal MoE, trained from scratch in 68 hours on 8.4T tokens (NVFP4). It scores 31 on the Artificial Analysis Intelligence Index, beating many same-size Chinese models and ranking high among open-weight models. The model is available on Tinker with Apache 2.0 weights promised next week after safety testing.

Why it matters: This is a major open-weight model release with unprecedented training efficiency and competitive performance, offering concrete technical details and independent benchmarks.

latent12h agoScore 82

Thinking MachinesInkling 2 Smallefficient pretraining

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Thinking Machines Releases Inkling 2 Small, a 594B MoE With 17B Active

Thinking Machines Lab has released Inkling 2 Small, a sparse Mixture-of-Experts model with 594B total and 17B active parameters, supporting text and image input with a 1M-token context. It scores 31 on the Artificial Analysis Intelligence Index, up from 13 for its predecessor, and is available on Tinker for fine-tuning and inference. The model shows strong performance on coding and vision benchmarks but lags on terminal-based tasks and is slower and more verbose than competitors. Apache 2.0 weights are planned after external safety testing.

MarkTechPost18h agoScore 74

Thinking Machines LabInkling 2 SmallMixture-of-Experts