LIVE INTELLIGENCE · part of the Xentir AI Index

Claude Opus 4.5 vs Qwen 3.6 Max (Preview)

Claude Opus 4.5 · Anthropic, released 2025-11-24
Qwen 3.6 Max (Preview) · Alibaba, released 2026-04-20

“Epoch AI, 'AI Benchmarking Hub'. Published online at epoch.ai. Retrieved from 'https://epoch.ai/benchmarks' [online resource].” · epoch.ai/benchmarks · Licensed CC BY 4.0 · data last verified 2026-07-26 · Methodology · Data Sources

Head-to-head

Measured on 8 of 9 tracked benchmarks for both models — Qwen 3.6 Max (Preview) leads on 6, tied on 2.

Benchmark	Claude Opus 4.5	Qwen 3.6 Max (Preview)	Leads
Epoch Capabilities Index (ECI)	149.6	149.7	Qwen 3.6 Max (Preview)
SWE-bench Verified	0.767	0.767	Tied
GPQA Diamond	0.860 (32k)	0.891	Qwen 3.6 Max (Preview)
MATH Level 5	Not measured	Not measured	Not measured on both
OTIS Mock AIME 2024-2025	0.861 (32k)	0.911	Qwen 3.6 Max (Preview)
FrontierMath	0.207	0.231	Qwen 3.6 Max (Preview)
FrontierMath Tier 4	0.042	0.042	Tied
SimpleQA Verified	0.418 (32k)	0.569	Qwen 3.6 Max (Preview)
Chess Puzzles	0.120 (32k)	0.170	Qwen 3.6 Max (Preview)

Benchmark results measure specific tasks and should not be treated as a universal measure of model quality. A model with no row here for a benchmark has not been measured on it — that is left blank, never estimated.

Full profiles

Claude Opus 4.5 → · Qwen 3.6 Max (Preview) → · the full AI Model Rankings table