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Inkling-Small

Thinking Machines Lab · 2026-07-30 · 266B parameters

Inkling-Small is Thinking Machines Lab's open-weight multimodal Mixture-of-Experts model. Its model card reports 276 billion architectural parameters and 12 billion active parameters, while the released safetensor artifacts contain 265,956,439,090 tensor parameters. The 42-layer checkpoint accepts text, image, and audio, supports controllable reasoning effort and a 1,048,576-token context window, and supports BF16, MXFP8, and NVFP4 inference numerics.

Benchmark scores

BenchmarkScore
AA-AnalystAgent (pass@1)57.0
AA-AnalystAgent (pass@5)80.0
AA-AnalystAgent (pass^5)27.5
AA-Briefcase Elo917
AA-Briefcase v1.1 Elo912
AA-LCR63.0
AA-LCR v1.175.7
AA-Omniscience Index-8.9
AA-Omniscience v1.1 Accuracy31.8
AA-Omniscience v1.1 Hallucination Rate60.5
AA-Omniscience v1.1 Index-9.5
AIME 202695.5
ARC-AGI-1 Semi-Private84.0
ARC-AGI-240.1
Arena Code WebDev — Brand & Marketing1447
Arena Code WebDev — Consumer Product1423
Arena Code WebDev — Content Creation Tools1369
Arena Code WebDev — Data & Analytics1412
Arena Code WebDev — Frontend1404
Arena Code WebDev — Fullstack1475
Arena Code WebDev — Gaming1384
Arena Code WebDev — HTML1397
Arena Code WebDev — React1399
Arena Code WebDev — Reference-Based Design1398
Arena Code WebDev — Simulations1392
Arena Image-to-WebDev1410
Arena Text — Business, Management & Financial Ops (No Style Control)1412
Arena Text — Chinese (No Style Control)1463
Arena Text — Creative Writing (No Style Control)1334
Arena Text — English (No Style Control)1421
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