Model comparison

GPT-5.3 Chat vs Qwen Plus

GPT-5.3 Chat is the stronger model overall, scoring 42.8 to 37.1 on the Noometry Index. Qwen Plus costs 8.0× less per token, which makes it the better buy when GPT-5.3 Chat's lead doesn't matter for your workload.

Last verified . 13 shared benchmarks.

GPT-5.3 Chat OpenAI

42.8

Rank #109 Confirmed

Qwen Plus Alibaba (Qwen)

37.1

Rank #210 Confirmed

Summary

  • They share 13 benchmarks with published results for both. GPT-5.3 Chat scores higher in 8 categories and Qwen Plus in 0 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in math, where GPT-5.3 Chat leads 38.2 to 23.3.
  • Qwen Plus is cheaper at $0.40 / $1.20 per million input/output tokens, against $1.75 / $14 for GPT-5.3 Chat.
  • Qwen Plus accepts more context: 1M tokens versus 128K.

Side by side

GPT-5.3 Chat and Qwen Plus specifications
GPT-5.3 ChatQwen Plus
ProviderOpenAIAlibaba (Qwen)
Noometry Index42.837.1
Released2026-03-032024-01-25
WeightsProprietaryProprietary
Context window128K1M
Max output16K33K
Input $ / M tokens$1.75$0.40
Output $ / M tokens$14$1.20
Results tracked1820

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Category by category

Coding GPT-5.3 Chat leads

GPT-5.3 Chat: 41.4 (#124), Qwen Plus: 38.9 (#167)

Coding benchmarks
BenchmarkGPT-5.3 ChatQwen Plus
LMArena Coding14081328

Reasoning Too close to call

GPT-5.3 Chat: 28.5 (#102), Qwen Plus: 28.4 (#107)

Reasoning benchmarks
BenchmarkGPT-5.3 ChatQwen Plus
LMArena Hard Prompts13991317
Kagi LLM Benchmark—63.3%
DTBench—81.1%
LMCA—24%

Math GPT-5.3 Chat leads

GPT-5.3 Chat: 38.2 (#142), Qwen Plus: 23.3 (#271)

Math benchmarks
BenchmarkGPT-5.3 ChatQwen Plus
LMArena Math13891326
OTIS Mock AIME 2024-2025—17.8%
MATH Level 5—65.3%
FrontierMath (Feb 2025 set)—1.7%

Knowledge GPT-5.3 Chat leads

GPT-5.3 Chat: 38.8 (#140), Qwen Plus: 27.4 (#251)

Knowledge benchmarks
BenchmarkGPT-5.3 ChatQwen Plus
LMArena Expert13971328
GPQA Diamond—48.1%

Multilingual GPT-5.3 Chat leads

GPT-5.3 Chat: 50.3 (#124), Qwen Plus: 45.1 (#175)

Multilingual benchmarks
BenchmarkGPT-5.3 ChatQwen Plus
LMArena Non-English13821310
LMArena Chinese14321347
LMArena Japanese13521251
LMArena Russian14001323
LMArena French1397—
LMArena German1384—
LMArena Korean1346—
LMArena Spanish1371—

Instruction Following GPT-5.3 Chat leads

GPT-5.3 Chat: 72.8 (#129), Qwen Plus: 68.8 (#181)

Instruction Following benchmarks
BenchmarkGPT-5.3 ChatQwen Plus
LMArena Instruction Following13781303

Long Context GPT-5.3 Chat leads

GPT-5.3 Chat: 42.6 (#120), Qwen Plus: 40.3 (#158)

Long Context benchmarks
BenchmarkGPT-5.3 ChatQwen Plus
LMArena Longer Query13961324

Writing & Preference GPT-5.3 Chat leads

GPT-5.3 Chat: 63.1 (#68), Qwen Plus: 52.2 (#176)

Writing & Preference benchmarks
BenchmarkGPT-5.3 ChatQwen Plus
LMArena Text13891326
LMArena Creative Writing13551293
LMArena Multi-Turn14121336
EQ-Bench Creative Writing1690—

Frequently asked questions

Is GPT-5.3 Chat better than Qwen Plus?

GPT-5.3 Chat is the stronger model overall, scoring 42.8 to 37.1 on the Noometry Index. Qwen Plus costs 8.0× less per token, which makes it the better buy when GPT-5.3 Chat's lead doesn't matter for your workload.

Which is cheaper, GPT-5.3 Chat or Qwen Plus?

Qwen Plus is cheaper. It lists at $0.40 per million input tokens and $1.20 per million output tokens; GPT-5.3 Chat lists at $1.75 and $14.

Is GPT-5.3 Chat or Qwen Plus better for coding?

GPT-5.3 Chat scores higher on coding benchmarks: 41.4 versus 38.9 in the Noometry coding category.

Which has the bigger context window?

Qwen Plus does, with 1M tokens against 128K.

How many benchmarks do GPT-5.3 Chat and Qwen Plus share?

13 benchmarks have published results for both models. GPT-5.3 Chat has 18 scored results on Noometry and Qwen Plus has 20.

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