Which is better, GPT-5.5 or Qwen3.6 Plus?

Across 45 shared benchmarks tracked on Vector Wire, GPT-5.5 leads on 41 and Qwen3.6 Plus leads on 4 — GPT-5.5 leads on more. Strengths differ by axis; the table below shows every head-to-head number with provenance.

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GPT-5.5 vs Qwen3.6 Plus

OpenAIvsAlibaba45 shared benchmarks41–4 head-to-head

Benchmark	GPT-5.5	Qwen3.6 Plus
AA Agentic Index	47.4	29
AA Intelligence	56.3	40.5
AA-LCR	79	72.3
AA-Omniscience	20.5	2.6
aime_2026	100	95.3
arena_elo	1482	1444
arena_text_factuality	1482	1438
Artificial Analysis Coding Index	74.9	54.5
coding_arena_elo	1457	1460
critpt	27.1	2.9
Finance Agent v2	51.8	40.9
frontiermath_tier_4	35.4	8.3
gdpval	49.5	32
GPQA Diamond	93.6	90.4
HLE	52.2	28.8
HLE (with tools)	52.2	50.6
hmmt_feb_2026	98.5	87.8
hmmt_nov_2025	96.5	94.6
IFBench	75.9	75.2
livebench	80.7	70.8
livebench_agentic_coding	54	41.4
livebench_coding	82.2	78.2
livebench_data_analysis	81.6	69.9
livebench_instruction_following	70.7	58.3
livebench_language	87.4	75
livebench_math	95.9	83.7
livebench_reasoning	89.7	75.8
MCP Atlas	82.8	74.1
MMMU-Pro	83.2	78.8
nl2repo	50.7	37.9
OmniScience Accuracy	58	26.4
OmniScience Non-Hallucination	12	68
OSWorld-Verified	78.7	62.5
scicode	56.1	40.7
simpleqa_verified	63.1	49.1
SWE-bench Pro	58.6	56.6
SWE-bench Verified	80.6	78.8
TauBench V3 - Banking	39	20.8
Terminal-Bench 2.0	82.7	61.6
Terminal-Bench 2.1	84.3	61.4
Terminal-Bench Hard	60.6	43.9
tool_decathlon	55.6	39.8
toolathlon	55.6	39.8
τ²-Bench Telecom (AA run)	93.9	97.7
τ³-Bench	31.3	70.7

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.