GPT-5.6 Sol (Max) — benchmark results

GPT-5.6 Sol evaluated at the max reasoning-effort setting. Provider: OpenAI. Released 2026-07-09. Access: API.

Unified ELO 2175 ± 48, rank #5 of 1776 rated models, from 58 benchmark results.

Strongest benchmark results

BenchmarkScoreMetricPercentile
AA CritPt32.29Accuracy (%)100
AA Omniscience - Software Engineering (SWE) - HTML92Accuracy (%)100
AA Omniscience - Software Engineering (SWE) - PHP96Accuracy (%)100
AA Omniscience - Software Engineering (SWE) - TypeScript92.22Accuracy (%)100
AA Terminal-Bench Hard65.91Accuracy (%)100
ARC-AGI-292.5Accuracy (%)100
ARC-AGI-37.78Accuracy (%)100
AutomationBench18.1Pass Rate (%)100
Epoch AI - Critpt32.3Score100
FrontierMath - Tiers 1-3 (v2)89.12Accuracy (%, 285 private v2 problems)100
MathArena - ARXIV June86.73Accuracy (%)100
Riemann-bench74.4Score (%)100

Interactive version: theaggregate.ai/model?slug=gpt-5-6-sol-max · How the rankings work · Data refreshed daily, snapshot 2026-07-22.