Noometry

Model comparison

Grok 4.3 vs Qwen Plus

Grok 4.3 is the stronger model overall, scoring 43.8 to 37.1 on the Noometry Index. Qwen Plus costs 2.6× less per token, which makes it the better buy when Grok 4.3's lead doesn't matter for your workload.

Last verified . 17 shared benchmarks.

Grok 4.3 xAI

43.8

Rank #86 Confirmed

Qwen Plus Alibaba (Qwen)

37.1

Rank #210 Confirmed

Summary

  • They share 17 benchmarks with published results for both. Grok 4.3 scores higher in 8 categories and Qwen Plus in 0 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Grok 4.3 leads 52.5 to 27.4.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 93.3% for Grok 4.3 and 17.8% for Qwen Plus.
  • Qwen Plus is cheaper at $0.40 / $1.20 per million input/output tokens, against $1.25 / $2.50 for Grok 4.3.

Side by side

Grok 4.3Qwen Plus
ProviderxAIAlibaba (Qwen)
Noometry Index43.837.1
Released2026-04-172024-01-25
WeightsProprietaryProprietary
Context window1M1M
Max output30K33K
Input $ / M tokens$1.25$0.40
Output $ / M tokens$2.50$1.20
Results tracked4020

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Category by category

Coding Grok 4.3 leads

Grok 4.3: 41.6 (#121), Qwen Plus: 38.9 (#167)

BenchmarkGrok 4.3Qwen Plus
LMArena Coding14151328
LMArena WebDev1357—
SciCode47.3%—
WeirdML49.9%—
ALE-Bench944.17—

Agentic & Tool Use Not comparable

Grok 4.3: 27.7 (#99), Qwen Plus: —

BenchmarkGrok 4.3Qwen Plus
GDP.pdf8%—
LMArena Search1165—
Vending-Bench 235.26—

Reasoning Grok 4.3 leads

Grok 4.3: 35.9 (#68), Qwen Plus: 28.4 (#107)

BenchmarkGrok 4.3Qwen Plus
LMArena Hard Prompts13961317
DTBench90.7%81.1%
LMCA38.3%24%
Kagi LLM Benchmark—63.3%
NYT Connections (extended)55.2%—
CritPt8%—
Chess Puzzles25%—
Epoch Capabilities Index149.16—
ForecastBench60.3—

Math Grok 4.3 leads

Grok 4.3: 46.0 (#74), Qwen Plus: 23.3 (#271)

BenchmarkGrok 4.3Qwen Plus
OTIS Mock AIME 2024-202593.3%17.8%
LMArena Math13881326
FrontierMath (Tiers 1-3)42.8%—
FrontierMath Tier 414.6%—
ProofBench11%—
MATH Level 5—65.3%
FrontierMath (Feb 2025 set)—1.7%

Knowledge Grok 4.3 leads

Grok 4.3: 52.5 (#62), Qwen Plus: 27.4 (#251)

BenchmarkGrok 4.3Qwen Plus
GPQA Diamond88.8%48.1%
LMArena Expert13851328
SimpleQA Verified33.2%—

Multimodal Not comparable

Grok 4.3: 31.6 (#104), Qwen Plus: —

BenchmarkGrok 4.3Qwen Plus
LMArena Vision1229—
Blueprint-Bench 20%—

Multilingual Grok 4.3 leads

Grok 4.3: 50.5 (#120), Qwen Plus: 45.1 (#175)

BenchmarkGrok 4.3Qwen Plus
LMArena Non-English13851310
LMArena Chinese14221347
LMArena Japanese13791251
LMArena Russian13991323
LMArena French1412—
LMArena German1395—
LMArena Korean1356—
LMArena Spanish1398—

Instruction Following Grok 4.3 leads

Grok 4.3: 72.1 (#140), Qwen Plus: 68.8 (#181)

BenchmarkGrok 4.3Qwen Plus
LMArena Instruction Following13661303

Long Context Grok 4.3 leads

Grok 4.3: 42.5 (#123), Qwen Plus: 40.3 (#158)

BenchmarkGrok 4.3Qwen Plus
LMArena Longer Query13931324

Writing & Preference Grok 4.3 leads

Grok 4.3: 58.5 (#118), Qwen Plus: 52.2 (#176)

BenchmarkGrok 4.3Qwen Plus
LMArena Text13971326
LMArena Creative Writing13801293
LMArena Multi-Turn14061336
EQ-Bench 41075—

Frequently asked questions

Is Grok 4.3 better than Qwen Plus?

Grok 4.3 is the stronger model overall, scoring 43.8 to 37.1 on the Noometry Index. Qwen Plus costs 2.6× less per token, which makes it the better buy when Grok 4.3's lead doesn't matter for your workload.

Which is cheaper, Grok 4.3 or Qwen Plus?

Qwen Plus is cheaper. It lists at $0.40 per million input tokens and $1.20 per million output tokens; Grok 4.3 lists at $1.25 and $2.50.

Is Grok 4.3 or Qwen Plus better for coding?

Grok 4.3 scores higher on coding benchmarks: 41.6 versus 38.9 in the Noometry coding category.

Which has the bigger context window?

Both accept 1M tokens.

How many benchmarks do Grok 4.3 and Qwen Plus share?

17 benchmarks have published results for both models. Grok 4.3 has 40 scored results on Noometry and Qwen Plus has 20.

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