Noometry

Model comparison

Grok 4.3 vs Qwen2.5 7B Instruct

Grok 4.3 is the stronger model overall, scoring 43.8 to 29.0 on the Noometry Index. Qwen2.5 7B Instruct costs 5.1× less per token, which makes it the better buy when Grok 4.3's lead doesn't matter for your workload.

Last verified . 6 shared benchmarks.

Grok 4.3 xAI

43.8

Rank #86 Confirmed

Qwen2.5 7B Instruct Alibaba (Qwen)

29.0

Rank #320 Confirmed

Summary

  • They share 6 benchmarks with published results for both. Grok 4.3 scores higher in 7 categories and Qwen2.5 7B Instruct in 0 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in knowledge, where Grok 4.3 leads 52.5 to 17.0.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 93.3% for Grok 4.3 and 2.5% for Qwen2.5 7B Instruct.
  • Qwen2.5 7B Instruct is cheaper at $0.17 / $0.70 per million input/output tokens, against $1.25 / $2.50 for Grok 4.3.
  • Grok 4.3 accepts more context: 1M tokens versus 131K.
  • Qwen2.5 7B Instruct has downloadable open weights; the other is API-only.

Side by side

Grok 4.3Qwen2.5 7B Instruct
ProviderxAIAlibaba (Qwen)
Noometry Index43.829.0
Released2026-04-172024-09
WeightsProprietaryOpen
Context window1M131K
Max output30K8K
Input $ / M tokens$1.25$0.17
Output $ / M tokens$2.50$0.70
Results tracked4015

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Category by category

Coding Grok 4.3 leads

Grok 4.3: 41.6 (#121), Qwen2.5 7B Instruct: 36.5 (#208)

BenchmarkGrok 4.3Qwen2.5 7B Instruct
LMArena WebDev1357—
SciCode47.3%—
WeirdML49.9%—
BigCodeBench Instruct—37.6%
LMArena Coding1415—
BigCodeBench Complete—46.1%
ALE-Bench944.17—

Agentic & Tool Use Grok 4.3 leads

Grok 4.3: 27.7 (#99), Qwen2.5 7B Instruct: 23.8 (#124)

BenchmarkGrok 4.3Qwen2.5 7B Instruct
BALROG—7.8%
GDP.pdf8%—
LMArena Search1165—
Vending-Bench 235.26—

Reasoning Grok 4.3 leads

Grok 4.3: 35.9 (#68), Qwen2.5 7B Instruct: 14.8 (#322)

BenchmarkGrok 4.3Qwen2.5 7B Instruct
Chess Puzzles25%0%
DTBench90.7%47.7%
LMCA38.3%6.4%
Epoch Capabilities Index149.16118.51
NYT Connections (extended)55.2%—
CritPt8%—
LMArena Hard Prompts1396—
ForecastBench60.3—

Math Grok 4.3 leads

Grok 4.3: 46.0 (#74), Qwen2.5 7B Instruct: 12.6 (#306)

BenchmarkGrok 4.3Qwen2.5 7B Instruct
OTIS Mock AIME 2024-202593.3%2.5%
FrontierMath (Tiers 1-3)42.8%—
FrontierMath Tier 414.6%—
ProofBench11%—
Omni-MATH—29.4%
LMArena Math1388—

Knowledge Grok 4.3 leads

Grok 4.3: 52.5 (#62), Qwen2.5 7B Instruct: 17.0 (#286)

BenchmarkGrok 4.3Qwen2.5 7B Instruct
GPQA Diamond88.8%35.5%
SimpleQA Verified33.2%—
MMLU-Pro—53.9%
GPQA (HELM)—34.1%
LMArena Expert1385—
MMLU—72.9%

Multimodal Not comparable

Grok 4.3: 31.6 (#104), Qwen2.5 7B Instruct: —

BenchmarkGrok 4.3Qwen2.5 7B Instruct
LMArena Vision1229—
Blueprint-Bench 20%—

Multilingual Not comparable

Grok 4.3: 50.5 (#120), Qwen2.5 7B Instruct: —

BenchmarkGrok 4.3Qwen2.5 7B Instruct
LMArena Non-English1385—
LMArena Chinese1422—
LMArena French1412—
LMArena German1395—
LMArena Japanese1379—
LMArena Korean1356—
LMArena Russian1399—
LMArena Spanish1398—

Instruction Following Grok 4.3 leads

Grok 4.3: 72.1 (#140), Qwen2.5 7B Instruct: 63.2 (#231)

BenchmarkGrok 4.3Qwen2.5 7B Instruct
IFEval—74.1%
LMArena Instruction Following1366—

Long Context Not comparable

Grok 4.3: 42.5 (#123), Qwen2.5 7B Instruct: —

BenchmarkGrok 4.3Qwen2.5 7B Instruct
LMArena Longer Query1393—

Writing & Preference Grok 4.3 leads

Grok 4.3: 58.5 (#118), Qwen2.5 7B Instruct: 48.8 (#195)

BenchmarkGrok 4.3Qwen2.5 7B Instruct
LMArena Text1397—
LMArena Creative Writing1380—
WildBench—73.1%
EQ-Bench 41075—
LMArena Multi-Turn1406—

Frequently asked questions

Is Grok 4.3 better than Qwen2.5 7B Instruct?

Grok 4.3 is the stronger model overall, scoring 43.8 to 29.0 on the Noometry Index. Qwen2.5 7B Instruct costs 5.1× 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 Qwen2.5 7B Instruct?

Qwen2.5 7B Instruct is cheaper. It lists at $0.17 per million input tokens and $0.70 per million output tokens; Grok 4.3 lists at $1.25 and $2.50.

Is Grok 4.3 or Qwen2.5 7B Instruct better for coding?

Grok 4.3 scores higher on coding benchmarks: 41.6 versus 36.5 in the Noometry coding category.

Which has the bigger context window?

Grok 4.3 does, with 1M tokens against 131K.

How many benchmarks do Grok 4.3 and Qwen2.5 7B Instruct share?

6 benchmarks have published results for both models. Grok 4.3 has 40 scored results on Noometry and Qwen2.5 7B Instruct has 15.

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