Model comparison

Grok 4.5 vs Qwen3 Coder Plus

Grok 4.5 has enough public results to be ranked (#25); Qwen3 Coder Plus does not yet, so treat this comparison as directional.

Last verified . 1 shared benchmarks.

Grok 4.5 xAI

55.0

Rank #25 Confirmed

Summary

  • They share 1 benchmark with published results for both.
  • Qwen3 Coder Plus is cheaper at $1 / $5 per million input/output tokens, against $2 / $6 for Grok 4.5.
  • Qwen3 Coder Plus accepts more context: 1.05M tokens versus 500K.
  • Qwen3 Coder Plus has downloadable open weights; the other is API-only.

Side by side

Grok 4.5 and Qwen3 Coder Plus specifications
Grok 4.5Qwen3 Coder Plus
ProviderxAIAlibaba (Qwen)
Noometry Index55.0—
Released2026-07-082025-07-23
WeightsProprietaryOpen
Context window500K1.05M
Max output500K66K
Input $ / M tokens$2$1
Output $ / M tokens$6$5
Results tracked521

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Category by category

Coding Not comparable

Grok 4.5: 52.2 (#35), Qwen3 Coder Plus: —

Coding benchmarks
BenchmarkGrok 4.5Qwen3 Coder Plus
ALE-Bench1,309456.5
DeepSWE53.8%—
FrontierCode42.4%—
LMArena WebDev1553—
SciCode54.1%—
WeirdML46.4%—
LMArena Coding1474—

Agentic & Tool Use Not comparable

Grok 4.5: 44.4 (#17), Qwen3 Coder Plus: —

Agentic & Tool Use benchmarks
BenchmarkGrok 4.5Qwen3 Coder Plus
APEX-Agents56.2%—
τ²-bench Banking47.9%—
PostTrainBench23.4%—
GBAEval65.4%—
GDP.pdf14%—
LMArena Search1213—
Vending-Bench 23,887—

Reasoning Not comparable

Grok 4.5: 56.1 (#25), Qwen3 Coder Plus: —

Reasoning benchmarks
BenchmarkGrok 4.5Qwen3 Coder Plus
ARC-AGI-252.6%—
SimpleBench70%—
Kagi LLM Benchmark83.5%—
NYT Connections (extended)79.9%—
ARC-AGI-187.2%—
CritPt15.4%—
Chess Puzzles36%—
LMArena Hard Prompts1462—
DTBench96.5%—
LMCA45.2%—
Surface Evolver Bench74.4%—
Epoch Capabilities Index153.92—

Math Not comparable

Grok 4.5: 60.9 (#35), Qwen3 Coder Plus: —

Math benchmarks
BenchmarkGrok 4.5Qwen3 Coder Plus
FrontierMath (Tiers 1-3)57.2%—
FrontierMath Tier 424.4%—
OTIS Mock AIME 2024-202597.8%—
ProofBench31%—
LMArena Math1459—

Knowledge Not comparable

Grok 4.5: 62.3 (#24), Qwen3 Coder Plus: —

Knowledge benchmarks
BenchmarkGrok 4.5Qwen3 Coder Plus
GPQA Diamond93.4%—
SimpleQA Verified48.3%—
LMArena Expert1466—

Multimodal Not comparable

Grok 4.5: 37.6 (#72), Qwen3 Coder Plus: —

Multimodal benchmarks
BenchmarkGrok 4.5Qwen3 Coder Plus
LMArena Vision1288—
Blueprint-Bench 227.3%—
Furniture Assembly22.5%—
LMArena Document1452—

Multilingual Not comparable

Grok 4.5: 54.4 (#42), Qwen3 Coder Plus: —

Multilingual benchmarks
BenchmarkGrok 4.5Qwen3 Coder Plus
LMArena Non-English1440—
LMArena Chinese1496—
LMArena French1456—
LMArena German1446—
LMArena Japanese1428—
LMArena Korean1404—
LMArena Russian1448—
LMArena Spanish1450—

Instruction Following Not comparable

Grok 4.5: 76.0 (#48), Qwen3 Coder Plus: —

Instruction Following benchmarks
BenchmarkGrok 4.5Qwen3 Coder Plus
LMArena Instruction Following1446—

Long Context Not comparable

Grok 4.5: 44.8 (#56), Qwen3 Coder Plus: —

Long Context benchmarks
BenchmarkGrok 4.5Qwen3 Coder Plus
LMArena Longer Query1463—

Writing & Preference Not comparable

Grok 4.5: 65.8 (#42), Qwen3 Coder Plus: —

Writing & Preference benchmarks
BenchmarkGrok 4.5Qwen3 Coder Plus
LMArena Text1448—
LMArena Creative Writing1442—
EQ-Bench Creative Writing1579—
LMArena Multi-Turn1456—

Frequently asked questions

Is Grok 4.5 better than Qwen3 Coder Plus?

Grok 4.5 has enough public results to be ranked (#25); Qwen3 Coder Plus does not yet, so treat this comparison as directional.

Which is cheaper, Grok 4.5 or Qwen3 Coder Plus?

Qwen3 Coder Plus is cheaper. It lists at $1 per million input tokens and $5 per million output tokens; Grok 4.5 lists at $2 and $6.

Which has the bigger context window?

Qwen3 Coder Plus does, with 1.05M tokens against 500K.

How many benchmarks do Grok 4.5 and Qwen3 Coder Plus share?

1 benchmark has published results for both models. Grok 4.5 has 52 scored results on Noometry and Qwen3 Coder Plus has 1.

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