Noometry

Model comparison

GPT-5.6 Luna vs Qwen3.6 Flash

GPT-5.6 Luna is the stronger model overall, scoring 54.6 to 38.8 on the Noometry Index.

Last verified . 11 shared benchmarks.

GPT-5.6 Luna OpenAI

54.6

Rank #30 Confirmed

Qwen3.6 Flash Alibaba (Qwen)

38.8

Rank #182 Confirmed

Summary

  • They share 11 benchmarks with published results for both. GPT-5.6 Luna scores higher in 3 categories and Qwen3.6 Flash in 0 categories; 3 gaps are clear of the uncertainty.
  • The widest gap is in math, where GPT-5.6 Luna leads 77.7 to 39.0.
  • The biggest single-benchmark swing is FrontierMath (Tiers 1-3): 82.1% for GPT-5.6 Luna and 22.5% for Qwen3.6 Flash.
  • Qwen3.6 Flash is cheaper at $0.19 / $1.13 per million input/output tokens, against $0.20 / $1.20 for GPT-5.6 Luna.
  • GPT-5.6 Luna accepts more context: 1.05M tokens versus 1M.

Side by side

GPT-5.6 LunaQwen3.6 Flash
ProviderOpenAIAlibaba (Qwen)
Noometry Index54.638.8
Released2026-07-092026-04-27
WeightsProprietaryProprietary
Context window1.05M1M
Max output128K66K
Input $ / M tokens$0.20$0.19
Output $ / M tokens$1.20$1.13
Results tracked5213

Sponsored placements are available on pages like this one. Advertise on Noometry

Category by category

Coding Not comparable

GPT-5.6 Luna: 54.5 (#28), Qwen3.6 Flash: —

BenchmarkGPT-5.6 LunaQwen3.6 Flash
ALE-Bench1,667326.4
DeepSWE67.2%—
FrontierCode39.8%—
CursorBench35.9%—
LMArena WebDev1519—
SciCode53.6%—
WeirdML60.9%—
LMArena Coding1466—

Agentic & Tool Use Not comparable

GPT-5.6 Luna: 34.4 (#45), Qwen3.6 Flash: —

BenchmarkGPT-5.6 LunaQwen3.6 Flash
APEX-Agents43%—
BALROG45.6%—
GDP.pdf22.7%—
Vending-Bench 24,095—

Reasoning GPT-5.6 Luna leads

GPT-5.6 Luna: 47.6 (#43), Qwen3.6 Flash: 29.0 (#96)

BenchmarkGPT-5.6 LunaQwen3.6 Flash
SimpleBench46.8%35.2%
Chess Puzzles40%20%
Mystery Game Puzzles21%18%
DTBench89.1%77.1%
LMCA48.5%31%
Epoch Capabilities Index156.39143.26
ARC-AGI-259.5%—
Kagi LLM Benchmark49.1%—
NYT Connections (extended)69.4%—
ARC-AGI-188%—
CritPt20.6%—
LMArena Hard Prompts1451—
Surface Evolver Bench61.9%—

Math GPT-5.6 Luna leads

GPT-5.6 Luna: 77.7 (#14), Qwen3.6 Flash: 39.0 (#117)

BenchmarkGPT-5.6 LunaQwen3.6 Flash
FrontierMath (Tiers 1-3)82.1%22.5%
OTIS Mock AIME 2024-202598.3%84.4%
FrontierMath Tier 461%—
ProofBench60%—
LMArena Math1458—
FrontierMath (Feb 2025 set)—10.3%
FrontierMath Tier 4 (v1)—0%

Knowledge GPT-5.6 Luna leads

GPT-5.6 Luna: 58.5 (#34), Qwen3.6 Flash: 42.1 (#100)

BenchmarkGPT-5.6 LunaQwen3.6 Flash
GPQA Diamond91.6%83.3%
SimpleQA Verified41%15.9%
LMArena Expert1478—

Multimodal Not comparable

GPT-5.6 Luna: 42.7 (#28), Qwen3.6 Flash: —

BenchmarkGPT-5.6 LunaQwen3.6 Flash
LMArena Vision1258—
Blueprint-Bench 222.6%—
Furniture Assembly42.5%—
LMArena Document1457—

Multilingual Not comparable

GPT-5.6 Luna: 52.8 (#78), Qwen3.6 Flash: —

BenchmarkGPT-5.6 LunaQwen3.6 Flash
LMArena Non-English1417—
LMArena Chinese1470—
LMArena French1456—
LMArena German1454—
LMArena Japanese1411—
LMArena Korean1415—
LMArena Russian1428—
LMArena Spanish1448—

Instruction Following Not comparable

GPT-5.6 Luna: 75.6 (#57), Qwen3.6 Flash: —

BenchmarkGPT-5.6 LunaQwen3.6 Flash
LMArena Instruction Following1437—

Long Context Not comparable

GPT-5.6 Luna: 43.9 (#82), Qwen3.6 Flash: —

BenchmarkGPT-5.6 LunaQwen3.6 Flash
LMArena Longer Query1436—

Writing & Preference Not comparable

GPT-5.6 Luna: 68.0 (#29), Qwen3.6 Flash: —

BenchmarkGPT-5.6 LunaQwen3.6 Flash
LMArena Text1431—
LMArena Creative Writing1396—
EQ-Bench Creative Writing1829—
EQ-Bench 41156—
LMArena Multi-Turn1434—

Frequently asked questions

Is GPT-5.6 Luna better than Qwen3.6 Flash?

GPT-5.6 Luna is the stronger model overall, scoring 54.6 to 38.8 on the Noometry Index.

Which is cheaper, GPT-5.6 Luna or Qwen3.6 Flash?

Qwen3.6 Flash is cheaper. It lists at $0.19 per million input tokens and $1.13 per million output tokens; GPT-5.6 Luna lists at $0.20 and $1.20.

Which has the bigger context window?

GPT-5.6 Luna does, with 1.05M tokens against 1M.

How many benchmarks do GPT-5.6 Luna and Qwen3.6 Flash share?

11 benchmarks have published results for both models. GPT-5.6 Luna has 52 scored results on Noometry and Qwen3.6 Flash has 13.

Related comparisons

Go deeper