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Olmo 3.1 32B Instruct

Allen Institute for AI (Ai2) · 2025-12-12 · 32.2B parameters

Olmo 3.1 32B Instruct is Ai2's fully open, non-reasoning instruction-tuned chat model, released on December 12, 2025. It applies the Olmo 3 Instruct post-training recipe at the larger 32B scale for chat, tool use, and multi-turn dialogue, with the weights, training data, code, and checkpoints openly released.

Benchmark scores

BenchmarkScore
AA-LCR0.0
AA-Omniscience Index-51.1
Arena Text — Business, Management & Financial Ops (No Style Control)1315
Arena Text — Chinese (No Style Control)1298
Arena Text — Creative Writing (No Style Control)1262
Arena Text — English (No Style Control)1348
Arena Text — Entertainment, Sports & Media (No Style Control)1272
Arena Text — Exclude Ties (No Style Control)1250
Arena Text — Exclude Ties (Style Controlled)1277
Arena Text — Expert (No Style Control)1311
Arena Text — French (No Style Control)1330
Arena Text — French (Style Controlled)1352
Arena Text — German (No Style Control)1275
Arena Text — Hard Prompts (No Style Control)1322
Arena Text — Hard Prompts English (No Style Control)1348
Arena Text — Instruction Following (No Style Control)1299
Arena Text — Korean (No Style Control)1205
Arena Text — Legal & Government (No Style Control)1330
Arena Text — Life, Physical & Social Science (No Style Control)1314
Arena Text — Longer Query (No Style Control)1312
Arena Text — Medicine & Healthcare (No Style Control)1288
Arena Text — Multi-turn (No Style Control)1308
Arena Text — Non-English (No Style Control)1272
Arena Text — Non-English (Style Controlled)1292
Arena Text — Occupational Mathematical (No Style Control)1348
Arena Text — Polish (No Style Control)1219
Arena Text — Polish (Style Controlled)1235
Arena Text — Russian (No Style Control)1275
Arena Text — Software & IT Services (No Style Control)1350
Arena Text — Spanish (No Style Control)1341
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