Model comparison

DeepSeek Coder 1.3B vs Grok 4.5

Grok 4.5 has enough public results to be ranked (#25); DeepSeek Coder 1.3B does not yet, so treat this comparison as directional.

Last verified . 1 shared benchmarks.

DeepSeek Coder 1.3B DeepSeek

35.0

Unranked Sparse

Grok 4.5 xAI

55.0

Rank #25 Confirmed

Summary

  • They share 1 benchmark with published results for both. DeepSeek Coder 1.3B scores higher in 0 categories and Grok 4.5 in 1 category; one gap is clear of the uncertainty.
  • The widest gap is in coding, where Grok 4.5 leads 52.2 to 31.2.
  • DeepSeek Coder 1.3B has downloadable open weights; the other is API-only.

Side by side

DeepSeek Coder 1.3B and Grok 4.5 specifications
DeepSeek Coder 1.3BGrok 4.5
ProviderDeepSeekxAI
Noometry Index35.055.0
Released2023-11-022026-07-08
WeightsOpenProprietary
Context window—500K
Max output—500K
Input $ / M tokens—$2
Output $ / M tokens—$6
Results tracked952

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Category by category

Coding Grok 4.5 leads

DeepSeek Coder 1.3B: 31.2 (#287), Grok 4.5: 52.2 (#35)

Coding benchmarks
BenchmarkDeepSeek Coder 1.3BGrok 4.5
DeepSWE—53.8%
FrontierCode—42.4%
LMArena WebDev—1553
SciCode—54.1%
WeirdML—46.4%
BigCodeBench Instruct22.8%—
LMArena Coding—1474
BigCodeBench Complete29.6%—
ALE-Bench—1,309
HumanEval+60.4%—
MBPP+54.8%—

Agentic & Tool Use Not comparable

DeepSeek Coder 1.3B: —, Grok 4.5: 44.4 (#17)

Agentic & Tool Use benchmarks
BenchmarkDeepSeek Coder 1.3BGrok 4.5
APEX-Agents—56.2%
τ²-bench Banking—47.9%
PostTrainBench—23.4%
GBAEval—65.4%
GDP.pdf—14%
LMArena Search—1213
Vending-Bench 2—3,887

Reasoning Not comparable

DeepSeek Coder 1.3B: —, Grok 4.5: 56.1 (#25)

Reasoning benchmarks
BenchmarkDeepSeek Coder 1.3BGrok 4.5
Epoch Capabilities Index63.6153.92
ARC-AGI-2—52.6%
SimpleBench—70%
Kagi LLM Benchmark—83.5%
NYT Connections (extended)—79.9%
ARC-AGI-1—87.2%
CritPt—15.4%
Chess Puzzles—36%
LMArena Hard Prompts—1462
DTBench—96.5%
LMCA—45.2%
Surface Evolver Bench—74.4%
WinoGrande53.3%—

Math Not comparable

DeepSeek Coder 1.3B: —, Grok 4.5: 60.9 (#35)

Math benchmarks
BenchmarkDeepSeek Coder 1.3BGrok 4.5
FrontierMath (Tiers 1-3)—57.2%
FrontierMath Tier 4—24.4%
OTIS Mock AIME 2024-2025—97.8%
ProofBench—31%
LMArena Math—1459
GSM8K4.4%—

Knowledge Not comparable

DeepSeek Coder 1.3B: —, Grok 4.5: 62.3 (#24)

Knowledge benchmarks
BenchmarkDeepSeek Coder 1.3BGrok 4.5
GPQA Diamond—93.4%
SimpleQA Verified—48.3%
LMArena Expert—1466
ARC (AI2) Challenge25.4%—
MMLU25.8%—

Multimodal Not comparable

DeepSeek Coder 1.3B: —, Grok 4.5: 37.6 (#72)

Multimodal benchmarks
BenchmarkDeepSeek Coder 1.3BGrok 4.5
LMArena Vision—1288
Blueprint-Bench 2—27.3%
Furniture Assembly—22.5%
LMArena Document—1452

Multilingual Not comparable

DeepSeek Coder 1.3B: —, Grok 4.5: 54.4 (#42)

Multilingual benchmarks
BenchmarkDeepSeek Coder 1.3BGrok 4.5
LMArena Non-English—1440
LMArena Chinese—1496
LMArena French—1456
LMArena German—1446
LMArena Japanese—1428
LMArena Korean—1404
LMArena Russian—1448
LMArena Spanish—1450

Instruction Following Not comparable

DeepSeek Coder 1.3B: —, Grok 4.5: 76.0 (#48)

Instruction Following benchmarks
BenchmarkDeepSeek Coder 1.3BGrok 4.5
LMArena Instruction Following—1446

Long Context Not comparable

DeepSeek Coder 1.3B: —, Grok 4.5: 44.8 (#56)

Long Context benchmarks
BenchmarkDeepSeek Coder 1.3BGrok 4.5
LMArena Longer Query—1463

Writing & Preference Not comparable

DeepSeek Coder 1.3B: —, Grok 4.5: 65.8 (#42)

Writing & Preference benchmarks
BenchmarkDeepSeek Coder 1.3BGrok 4.5
LMArena Text—1448
LMArena Creative Writing—1442
EQ-Bench Creative Writing—1579
LMArena Multi-Turn—1456

Frequently asked questions

Is DeepSeek Coder 1.3B better than Grok 4.5?

Grok 4.5 has enough public results to be ranked (#25); DeepSeek Coder 1.3B does not yet, so treat this comparison as directional.

Is DeepSeek Coder 1.3B or Grok 4.5 better for coding?

Grok 4.5 scores higher on coding benchmarks: 52.2 versus 31.2 in the Noometry coding category.

How many benchmarks do DeepSeek Coder 1.3B and Grok 4.5 share?

1 benchmark has published results for both models. DeepSeek Coder 1.3B has 9 scored results on Noometry and Grok 4.5 has 52.

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