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INTELLECT-3

Prime Intellect · 2025-11-26 · 106.9B parameters

INTELLECT-3 is Prime Intellect's 106B Mixture-of-Experts reasoning model with 12B active parameters, released in November 2025, post-trained from the GLM-4.5-Air-Base checkpoint via supervised fine-tuning followed by large-scale reinforcement learning on a 512-GPU H200 cluster. It supports a 131K context window and is optimized for math, code, science, and multi-step reasoning. The model weights, training frameworks, and environments are open-sourced under MIT and Apache 2.0 licenses.

Benchmark scores

BenchmarkScore
AA-LCR32.3
AA-Omniscience Index-51.0
AIME 202588.0
Arena Text — Business, Management & Financial Ops (No Style Control)1349
Arena Text — Chinese (No Style Control)1364
Arena Text — Creative Writing (No Style Control)1318
Arena Text — English (No Style Control)1380
Arena Text — Entertainment, Sports & Media (No Style Control)1307
Arena Text — Exclude Ties (No Style Control)1317
Arena Text — Exclude Ties (Style Controlled)1317
Arena Text — Expert (No Style Control)1319
Arena Text — Hard Prompts (No Style Control)1350
Arena Text — Hard Prompts English (No Style Control)1373
Arena Text — Instruction Following (No Style Control)1312
Arena Text — Legal & Government (No Style Control)1326
Arena Text — Life, Physical & Social Science (No Style Control)1361
Arena Text — Longer Query (No Style Control)1328
Arena Text — Medicine & Healthcare (No Style Control)1326
Arena Text — Multi-turn (No Style Control)1354
Arena Text — Non-English (No Style Control)1327
Arena Text — Non-English (Style Controlled)1324
Arena Text — Occupational Mathematical (No Style Control)1376
Arena Text — Polish (No Style Control)1346
Arena Text — Polish (Style Controlled)1328
Arena Text — Russian (No Style Control)1336
Arena Text — Software & IT Services (No Style Control)1374
Arena Text — Writing, Literature & Language (No Style Control)1338
Arena Text Overall — 25% Factuality1374
Artificial Analysis Intelligence Index15.6
Artificial Analysis Omniscience Accuracy19.2
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