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Olmo 3.1 32B

Ai2's fully open LLM (weights, data and code, Apache-2.0) in Instruct and Think variants.

Allen Institute for AI (Ai2)
Open weights
Released Dec 2025

Where it ranks

C
Chat & assistants
Models · Local · 1,329 on LMArena Text Arena (overall, style control)
C
Vector graphics & logos
Models · Local · 871 on Design Arena SVG

Facts

Vendor: Allen Institute for AI (Ai2)
Family: Olmo
Released: Dec 2025
Weights: Open: download and run it yourself
License: Apache-2.0
Parameters: 32.2B
GPU memory to run locally: ~20 GB (4-bit ≈ 32.2 B × 0.57 GB + 1.5 GB ≈ 20 GB, estimate.)
Access: Free (open weights)
Last verified: 19 Oct 2026

Price from huggingface.co, 19 Oct 2026.

Benchmark results

Benchmark	Result	Entry on the leaderboard	As of	Source
Artificial Analysis Intelligence Index	7	`Olmo 3.1 32B Think` Raw value from the page's embedded model data; the site displays it rounded to an integer. Flagged 'estimated' by Artificial Analysis.	19 Oct 2026	artificialanalysis.ai
Design Arena SVG	871	`Olmo 3.1 32B Think` Design Arena SVG, rank 129, 1852 battles; marked inactive; rows read from POST https://www.designarena.ai/api/leaderboard (arenaType 'models', category 'svg'); names from https://www.designarena.ai/api/registry	19 Oct 2026	designarena.ai
LMArena Text Arena (overall, style control)	1,329	`olmo-3.1-32b-instruct` 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 246; 11817 votes; 95% CI 1323.1-1335.4.	15 Oct 2026	huggingface.co

Where you can use it

No tracked tool lists this model yet; as open weights it runs in local runtimes.

Sources