Cogito v2.1 (Reasoning) — benchmark results

Cogito v2.1 evaluated with reasoning enabled. Provider: Nous Research. Released 2025-09-01. Access: Open.

Unified ELO 1697 ± 28, rank #274 of 1776 rated models, from 34 benchmark results.

Strongest benchmark results

BenchmarkScoreMetricPercentile
AA MMLU-Pro84.89Accuracy (%)90.4
AA Omniscience - Software Engineering (SWE) - Swift68Accuracy (%)88.4
AA Omniscience - Science, Engineering & Mathematics36.9Accuracy (%)80.4
AA Omniscience - Humanities & Social Sciences30.1Accuracy (%)79.9
AA-Omniscience Accuracy30.2Accuracy (%)79.7
AA Omniscience - Health29.3Accuracy (%)79.1
AA Omniscience - Business25.6Accuracy (%)78.9
AA Omniscience - Software Engineering (SWE) - PHP44Accuracy (%)78.9
AA Omniscience - Software Engineering (SWE) - Dart34Accuracy (%)78.5
AA Omniscience - Law21.7Accuracy (%)77.8
AA Omniscience - Software Engineering (SWE) - HTML48Accuracy (%)77.7
AA SciCode40.97Accuracy (%)77.7

Interactive version: theaggregate.ai/model?slug=cogito-v2-1-reasoning · How the rankings work · Data refreshed daily, snapshot 2026-07-22.