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Inkling Small

Smaller open-weights Inkling MoE (Apache-2.0) with 276B total and 12B active parameters.

Thinking Machines Lab
Open weights
Released 27 Jul 2026

Where it ranks

B
Chat & assistants
Models · Local · 1,404 on LMArena Text Arena (overall, style control)
C
Writing
Models · Local · 1,314 on LMArena Text Arena: Creative Writing (style control)
C
Coding
Models · Local · 1,410 on LMArena WebDev / Code Arena (overall)
B
Image understanding
Models · Local · 1,208 on LMArena Vision Arena (overall, style control)

Facts

Vendor: Thinking Machines Lab
Family: Inkling Small
Released: 27 Jul 2026
Weights: Open: download and run it yourself
License: Apache-2.0
Parameters: 276B (12B active)
GPU memory to run locally: ~159 GB (4-bit ≈ 276 B × 0.57 GB + 1.5 GB ≈ 159 GB, estimate.)
API price: $0.45 in / $1.2 out per 1M tokens (OpenRouter listed price)
Access: Free (open weights)
Last verified: 19 Oct 2026

Price from openrouter.ai, 19 Oct 2026.

Benchmark results

Benchmark	Result	Entry on the leaderboard	As of	Source
Artificial Analysis Intelligence Index	26	`Inkling Small` Raw value from the page's embedded model data; the site displays it rounded to an integer.	19 Oct 2026	artificialanalysis.ai
Artificial Analysis MMMU-Pro (independent evaluation)	74%	`Inkling Small` Raw fraction 0.7405 from the model data embedded in https://artificialanalysis.ai/leaderboards/models, converted to percent; rank 55 of 124 entries with an MMMU-Pro result; no last-updated date shown.	19 Oct 2026	artificialanalysis.ai
EQ-Bench Creative Writing v3	1,491	`thinkingmachines/Inkling-Small` Elo score from the leaderboard data embedded in https://eqbench.com/creative_writing.js (file last modified 2026-09-24); rank 64 of 140; rubric score 15.53.	24 Sep 2026	eqbench.com
LMArena Text Arena (overall, style control)	1,404	`Inkling Small` From LMArena's official leaderboard-dataset (text_style_control, split latest, category overall, published 2026-10-15), which mirrors https://arena.ai/leaderboard/text. Rank 156; 32304 votes; 95% CI 1399.3-1408.6.	15 Oct 2026	huggingface.co
LMArena Text Arena: Creative Writing (style control)	1,314	`Inkling Small` From LMArena's official leaderboard-dataset (text_style_control, split latest, category creative_writing, published 2026-10-15), which mirrors https://arena.ai/leaderboard/text/creative-writing. Rank 218 of 414; 6963 votes; 95% CI 1305.3-1322.1.	15 Oct 2026	huggingface.co
LMArena Vision Arena (overall, style control)	1,208	`Inkling Small` From LMArena's official leaderboard-dataset (vision_style_control, split latest, category overall, published 2026-10-09), which mirrors https://arena.ai/leaderboard/vision. Rank 86 of 165; 7472 votes; 95% CI 1199.2-1216.0.	9 Oct 2026	huggingface.co
LMArena WebDev / Code Arena (overall)	1,410	`Inkling-Small` From LMArena's official leaderboard-dataset (webdev = Code Arena, split latest, category overall, published 2026-10-18), which mirrors https://arena.ai/leaderboard/webdev. Rank 89; 5328 votes; 95% CI 1400.4-1418.6.	18 Oct 2026	huggingface.co

Where you can use it

SOpenRouterRuntimes & gateways · Cloud

Sources