Model comparison

GPT-6.1 Sol vs Qwen3.6 Plus

GPT-6.1 Sol is the stronger model overall, scoring 65.6 to 47.5 on the Noometry Index. Qwen3.6 Plus costs 3.6× less per token, which makes it the better buy when GPT-6.1 Sol's lead doesn't matter for your workload.

Last verified October 10, 2026. 23 shared benchmarks.

GPT-6.1 Sol OpenAI

65.6

Rank #6 Confirmed

Qwen3.6 Plus

Alibaba (Qwen)

47.5

Rank #62 Confirmed

Summary

They share 23 benchmarks with published results for both. GPT-6.1 Sol scores higher in 7 categories and Qwen3.6 Plus in 1 category; 7 gaps are clear of the uncertainty.
The widest gap is in reasoning, where GPT-6.1 Sol leads 81.9 to 29.3.
The biggest single-benchmark swing is Mystery Game Puzzles: 80% for GPT-6.1 Sol and 12% for Qwen3.6 Plus.
Qwen3.6 Plus is cheaper at $0.50 / $3 per million input/output tokens, against $2 / $10 for GPT-6.1 Sol.
GPT-6.1 Sol accepts more context: 1.05M tokens versus 1M.

Side by side

GPT-6.1 Sol and Qwen3.6 Plus specifications
	GPT-6.1 Sol	Qwen3.6 Plus
Provider	OpenAI	Alibaba (Qwen)
Noometry Index	65.6	47.5
Released	2026-09-29	2026-03-31
Weights	Proprietary	Proprietary
Context window	1.05M	1M
Max output	128K	66K
Input $ / M tokens	$2	$0.50
Output $ / M tokens	$10	$3
Results tracked	34	37

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Category by category

Coding GPT-6.1 Sol leads

GPT-6.1 Sol: 63.2 (#8), Qwen3.6 Plus: 40.8 (#130)

Coding benchmarks
Benchmark	GPT-6.1 Sol	Qwen3.6 Plus
LMArena WebDev	1755	1461
SciCode	55.8%	40.7%
LMArena Coding	1487	1467
SWE-bench Verified	—	57.9%
DeepSWE	75.2%	—
FrontierCode	50.2%	—
ALE-Bench	—	670.15

Agentic & Tool Use Not comparable

GPT-6.1 Sol: 39.6 (#26), Qwen3.6 Plus: —

Agentic & Tool Use benchmarks
Benchmark	GPT-6.1 Sol	Qwen3.6 Plus
APEX-Agents	60%	—
GDP.pdf	32%	—
Vending-Bench 2	—	5,115

Reasoning GPT-6.1 Sol leads

GPT-6.1 Sol: 81.9 (#2), Qwen3.6 Plus: 29.3 (#93)

Reasoning benchmarks
Benchmark	GPT-6.1 Sol	Qwen3.6 Plus
NYT Connections (extended)	95.5%	60.3%
CritPt	31.7%	2.9%
Chess Puzzles	61%	17%
LMArena Hard Prompts	1466	1449
Mystery Game Puzzles	80%	12%
Epoch Capabilities Index	166.09	147.65
ARC-AGI-2	94.2%	—
ARC-AGI-1	98.5%	—
Thematic Generalization	—	59.5%
EBR-Bench	54.3%	—
DTBench	—	81.9%
LMCA	—	33.1%

Math GPT-6.1 Sol leads

GPT-6.1 Sol: 93.7 (#1), Qwen3.6 Plus: 51.8 (#54)

Math benchmarks
Benchmark	GPT-6.1 Sol	Qwen3.6 Plus
FrontierMath (Tiers 1-3)	93.7%	38.2%
OTIS Mock AIME 2024-2025	100%	93.3%
LMArena Math	1464	1450
FrontierMath Tier 4	100%	—
ProofBench	99%	—
FrontierMath (Feb 2025 set)	—	26.2%
FrontierMath Tier 4 (v1)	—	8.3%

Knowledge GPT-6.1 Sol leads

GPT-6.1 Sol: 71.8 (#4), Qwen3.6 Plus: 56.1 (#45)

Knowledge benchmarks
Benchmark	GPT-6.1 Sol	Qwen3.6 Plus
GPQA Diamond	95.4%	88.4%
SimpleQA Verified	73.9%	44.1%
LMArena Expert	1502	1454

Multimodal Not comparable

GPT-6.1 Sol: 52.7 (#5), Qwen3.6 Plus: —

Multimodal benchmarks
Benchmark	GPT-6.1 Sol	Qwen3.6 Plus
LMArena Vision	1288	—
Furniture Assembly	80%	—

Multilingual GPT-6.1 Sol leads

GPT-6.1 Sol: 54.3 (#46), Qwen3.6 Plus: 53.3 (#70)

Multilingual benchmarks
Benchmark	GPT-6.1 Sol	Qwen3.6 Plus
LMArena Non-English	1438	1424
LMArena Chinese	1477	1477
LMArena Russian	1455	1434
LMArena French	—	1455
LMArena German	—	1452
LMArena Japanese	—	1389
LMArena Korean	—	1379
LMArena Spanish	—	1432

Instruction Following GPT-6.1 Sol leads

GPT-6.1 Sol: 77.0 (#29), Qwen3.6 Plus: 75.0 (#74)

Instruction Following benchmarks
Benchmark	GPT-6.1 Sol	Qwen3.6 Plus
LMArena Instruction Following	1468	1425

Long Context Too close to call

GPT-6.1 Sol: 44.9 (#54), Qwen3.6 Plus: 45.2 (#49)

Long Context benchmarks
Benchmark	GPT-6.1 Sol	Qwen3.6 Plus
LMArena Longer Query	1465	1439
CL-bench	—	20.3%

Writing & Preference GPT-6.1 Sol leads

GPT-6.1 Sol: 63.6 (#63), Qwen3.6 Plus: 62.2 (#82)

Writing & Preference benchmarks
Benchmark	GPT-6.1 Sol	Qwen3.6 Plus
LMArena Text	1447	1437
LMArena Creative Writing	1432	1404
LMArena Multi-Turn	1449	1438

Frequently asked questions

Is GPT-6.1 Sol better than Qwen3.6 Plus?

Which is cheaper, GPT-6.1 Sol or Qwen3.6 Plus?

Qwen3.6 Plus is cheaper. It lists at $0.50 per million input tokens and $3 per million output tokens; GPT-6.1 Sol lists at $2 and $10.

Is GPT-6.1 Sol or Qwen3.6 Plus better for coding?

GPT-6.1 Sol scores higher on coding benchmarks: 63.2 versus 40.8 in the Noometry coding category.

Which has the bigger context window?

GPT-6.1 Sol does, with 1.05M tokens against 1M.

How many benchmarks do GPT-6.1 Sol and Qwen3.6 Plus share?

23 benchmarks have published results for both models. GPT-6.1 Sol has 34 scored results on Noometry and Qwen3.6 Plus has 37.