Which is better, Claude Opus 4.5 or Qwen3.6 Plus?

Across 60 shared benchmarks tracked on Vector Wire, Claude Opus 4.5 leads on 35 and Qwen3.6 Plus leads on 25 — Claude Opus 4.5 leads on more. Strengths differ by axis; the table below shows every head-to-head number with provenance.

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Claude Opus 4.5 vs Qwen3.6 Plus

AnthropicvsAlibaba60 shared benchmarks35–25 head-to-head

Benchmark	Claude Opus 4.5	Qwen3.6 Plus
AA Agentic Index	59.6	29
AA Intelligence	41.9	40.5
AA-LCR	76	72.3
AA-Omniscience	14	2.6
aime_2026	95.1	95.3
arena_elo	1473	1444
arena_text_factuality	1458	1438
Artificial Analysis Coding Index	47.8	54.5
C-Eval	92.2	93.3
Claw Eval (pass@3)	59.6	58.7
coding_arena_elo	1495	1460
critpt	4.6	2.9
ERQA	46.8	65.7
frontiermath_tier_4	4.2	8.3
gdpval	47.3	32
GPQA Diamond	87	90.4
HLE	30.8	28.8
HLE (with tools)	43.4	50.6
hmmt_feb_2026	85.3	87.8
hmmt_nov_2025	93.3	94.6
IFBench	58	75.2
imo_answer_bench	84	83.8
livebench	76	70.8
livebench_agentic_coding	39.7	41.4
livebench_coding	79.7	78.2
livebench_data_analysis	74.4	69.9
livebench_instruction_following	62.5	58.3
livebench_language	81.3	75
livebench_math	90.4	83.7
livebench_reasoning	80.1	75.8
LiveCodeBench v6	84.8	87.1
longbench_v2	64.4	62
mathvision	77.1	88
MCP Atlas	69.8	74.1
MLVU	81.7	86.7
mmlu_redux	95.6	94.5
MMLU-Pro	90	88.5
mmmlu	90.8	89.5
MMMU	80.7	86
MMMU-Pro	74	78.8
MMStar	73.2	83.3
nl2repo	43.2	37.9
OmniDocBench 1.5	87.7	91.2
OmniScience Accuracy	46.6	26.4
OmniScience Non-Hallucination	39	68
OSWorld-Verified	66.3	62.5
RealWorldQA	77	85.4
scicode	50	40.7
simpleqa_verified	41.8	49.1
SimpleVQA	69.7	0.7
supergpqa	70.6	71.6
SWE-bench Multilingual	77.5	73.8
SWE-bench Pro	57.1	56.6
SWE-bench Verified	81.5	78.8
Terminal-Bench 2.0	59.3	61.6
Terminal-Bench Hard	47	43.9
tool_decathlon	43.5	39.8
toolathlon	43.5	39.8
VideoMMMU	84.4	84
τ²-Bench Telecom (AA run)	89.5	97.7

Best tracked score per model per benchmark (default configuration; source-attributed). ↓ marks lower-is-better metrics. Open either model for its full surface, provenance and pricing.