Model comparison

GPT-5.3 Chat vs Qwen3 Coder Next

GPT-5.3 Chat is the stronger model overall, scoring 42.8 to 34.3 on the Noometry Index. Qwen3 Coder Next costs 17× less per token, which makes it the better buy when GPT-5.3 Chat's lead doesn't matter for your workload.

Last verified . 0 shared benchmarks.

GPT-5.3 Chat OpenAI

42.8

Rank #109 Confirmed

Qwen3 Coder Next Alibaba (Qwen)

34.3

Rank #232 Reported

Summary

  • The widest gap is in reasoning, where GPT-5.3 Chat leads 28.5 to 22.4.
  • Qwen3 Coder Next is cheaper at $0.12 / $0.80 per million input/output tokens, against $1.75 / $14 for GPT-5.3 Chat.
  • Qwen3 Coder Next accepts more context: 262K tokens versus 128K.
  • Qwen3 Coder Next has downloadable open weights; the other is API-only.

Side by side

GPT-5.3 Chat and Qwen3 Coder Next specifications
GPT-5.3 ChatQwen3 Coder Next
ProviderOpenAIAlibaba (Qwen)
Noometry Index42.834.3
Released2026-03-032026-02-02
WeightsProprietaryOpen
Context window128K262K
Max output16K66K
Input $ / M tokens$1.75$0.12
Output $ / M tokens$14$0.80
Results tracked183

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Category by category

Coding GPT-5.3 Chat leads

GPT-5.3 Chat: 41.4 (#124), Qwen3 Coder Next: 36.3 (#210)

Coding benchmarks
BenchmarkGPT-5.3 ChatQwen3 Coder Next
SciCode—32.3%
WeirdML—34.4%
LMArena Coding1408—

Reasoning GPT-5.3 Chat leads

GPT-5.3 Chat: 28.5 (#102), Qwen3 Coder Next: 22.4 (#196)

Reasoning benchmarks
BenchmarkGPT-5.3 ChatQwen3 Coder Next
CritPt—0%
LMArena Hard Prompts1399—

Math Not comparable

GPT-5.3 Chat: 38.2 (#142), Qwen3 Coder Next: —

Math benchmarks
BenchmarkGPT-5.3 ChatQwen3 Coder Next
LMArena Math1389—

Knowledge Not comparable

GPT-5.3 Chat: 38.8 (#140), Qwen3 Coder Next: —

Knowledge benchmarks
BenchmarkGPT-5.3 ChatQwen3 Coder Next
LMArena Expert1397—

Multilingual Not comparable

GPT-5.3 Chat: 50.3 (#124), Qwen3 Coder Next: —

Multilingual benchmarks
BenchmarkGPT-5.3 ChatQwen3 Coder Next
LMArena Non-English1382—
LMArena Chinese1432—
LMArena French1397—
LMArena German1384—
LMArena Japanese1352—
LMArena Korean1346—
LMArena Russian1400—
LMArena Spanish1371—

Instruction Following Not comparable

GPT-5.3 Chat: 72.8 (#129), Qwen3 Coder Next: —

Instruction Following benchmarks
BenchmarkGPT-5.3 ChatQwen3 Coder Next
LMArena Instruction Following1378—

Long Context Not comparable

GPT-5.3 Chat: 42.6 (#120), Qwen3 Coder Next: —

Long Context benchmarks
BenchmarkGPT-5.3 ChatQwen3 Coder Next
LMArena Longer Query1396—

Writing & Preference Not comparable

GPT-5.3 Chat: 63.1 (#68), Qwen3 Coder Next: —

Writing & Preference benchmarks
BenchmarkGPT-5.3 ChatQwen3 Coder Next
LMArena Text1389—
LMArena Creative Writing1355—
EQ-Bench Creative Writing1690—
LMArena Multi-Turn1412—

Frequently asked questions

Is GPT-5.3 Chat better than Qwen3 Coder Next?

GPT-5.3 Chat is the stronger model overall, scoring 42.8 to 34.3 on the Noometry Index. Qwen3 Coder Next costs 17× 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 Qwen3 Coder Next?

Qwen3 Coder Next is cheaper. It lists at $0.12 per million input tokens and $0.80 per million output tokens; GPT-5.3 Chat lists at $1.75 and $14.

Is GPT-5.3 Chat or Qwen3 Coder Next better for coding?

GPT-5.3 Chat scores higher on coding benchmarks: 41.4 versus 36.3 in the Noometry coding category.

Which has the bigger context window?

Qwen3 Coder Next does, with 262K tokens against 128K.

How many benchmarks do GPT-5.3 Chat and Qwen3 Coder Next share?

0 benchmarks have published results for both models. GPT-5.3 Chat has 18 scored results on Noometry and Qwen3 Coder Next has 3.

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