Model comparison

DeepSeek-V3 vs Grok 4.6

Grok 4.6 is the stronger model overall, scoring 56.9 to 39.5 on the Noometry Index. DeepSeek-V3 costs 7.4× less per token, which makes it the better buy when Grok 4.6's lead doesn't matter for your workload.

Last verified . 26 shared benchmarks.

DeepSeek-V3 DeepSeek

39.5

Rank #166 Confirmed

Grok 4.6 xAI

56.9

Rank #21 Confirmed

Summary

  • They share 26 benchmarks with published results for both. DeepSeek-V3 scores higher in 0 categories and Grok 4.6 in 8 categories; 8 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Grok 4.6 leads 61.4 to 20.5.
  • The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 37.8% for DeepSeek-V3 and 99.2% for Grok 4.6.
  • DeepSeek-V3 is cheaper at $0.24 / $0.90 per million input/output tokens, against $2 / $6 for Grok 4.6.
  • Grok 4.6 accepts more context: 500K tokens versus 164K.
  • DeepSeek-V3 has downloadable open weights; the other is API-only.

Side by side

DeepSeek-V3 and Grok 4.6 specifications
DeepSeek-V3Grok 4.6
ProviderDeepSeekxAI
Noometry Index39.556.9
Released2024-12-262026-08-12
WeightsOpenProprietary
Context window164K500K
Max output164K500K
Input $ / M tokens$0.24$2
Output $ / M tokens$0.90$6
Results tracked6049

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Category by category

Coding Grok 4.6 leads

DeepSeek-V3: 42.3 (#106), Grok 4.6: 58.5 (#16)

Coding benchmarks
BenchmarkDeepSeek-V3Grok 4.6
SciCode35.8%56.5%
WeirdML36.1%67.3%
LMArena Coding13681465
DeepSWE—67.5%
FrontierCode—48%
Aider Polyglot55.1%—
CursorBench—41.4%
LMArena WebDev—1617
FrontierSWE—25.3%
BigCodeBench Instruct50%—
LiveBench Coding70.9%—
BigCodeBench Complete62.2%—
ALE-Bench—1,508
HumanEval+86.6%—
MBPP+73%—

Agentic & Tool Use Not comparable

DeepSeek-V3: —, Grok 4.6: 39.4 (#27)

Agentic & Tool Use benchmarks
BenchmarkDeepSeek-V3Grok 4.6
APEX-Agents—65.3%
GDP.pdf—17.2%
METR Time Horizons49.6%—
Vending-Bench 2—9,047

Reasoning Grok 4.6 leads

DeepSeek-V3: 20.5 (#236), Grok 4.6: 61.4 (#20)

Reasoning benchmarks
BenchmarkDeepSeek-V3Grok 4.6
SimpleBench27.2%75.9%
CritPt0%19.7%
LMArena Hard Prompts13651447
DTBench64.8%97.3%
LMCA15.5%48.5%
Epoch Capabilities Index135.94156.44
ARC-AGI-2—67.1%
Kagi LLM Benchmark52.3%—
NYT Connections (extended)—80%
ARC-AGI-1—87.5%
Chess Puzzles—40%
EBR-Bench—30.5%
LiveBench Reasoning65.8%—
Mystery Game Puzzles—34%
LiveBench Data Analysis60.9%—
BIG-Bench Hard87.5%—
ForecastBench59.1—
HellaSwag88.9%—
LiveBench66.9%—
PIQA84.7%—
WinoGrande85.2%—

Math Grok 4.6 leads

DeepSeek-V3: 32.1 (#219), Grok 4.6: 67.0 (#24)

Math benchmarks
BenchmarkDeepSeek-V3Grok 4.6
OTIS Mock AIME 2024-202537.8%99.2%
LMArena Math13731423
FrontierMath (Tiers 1-3)—66%
FrontierMath Tier 4—31.7%
ProofBench—51%
Omni-MATH40.3%—
LiveBench Math73.5%—
MATH Level 575.5%—
FrontierMath (Feb 2025 set)1.7%—

Knowledge Grok 4.6 leads

DeepSeek-V3: 37.5 (#155), Grok 4.6: 63.3 (#20)

Knowledge benchmarks
BenchmarkDeepSeek-V3Grok 4.6
GPQA Diamond67.6%94%
LMArena Expert13511467
SimpleQA Verified—49.3%
MMLU-Pro72.3%—
Confabulations26.1%—
Vectara Hallucination Rate6.1%—
GPQA (HELM)53.8%—
ARC (AI2) Challenge95.3%—
MMLU87.2%—
TriviaQA82.9%—

Multimodal Not comparable

DeepSeek-V3: —, Grok 4.6: 43.6 (#23)

Multimodal benchmarks
BenchmarkDeepSeek-V3Grok 4.6
LMArena Vision—1263
Blueprint-Bench 2—33.2%
Furniture Assembly—40%
LMArena Document—1452

Multilingual Grok 4.6 leads

DeepSeek-V3: 48.5 (#143), Grok 4.6: 53.0 (#74)

Multilingual benchmarks
BenchmarkDeepSeek-V3Grok 4.6
LMArena Non-English13581420
LMArena Chinese13911480
LMArena French13851461
LMArena German13741431
LMArena Japanese13331376
LMArena Korean13191397
LMArena Russian13731422
LMArena Spanish13581404

Instruction Following Grok 4.6 leads

DeepSeek-V3: 72.8 (#130), Grok 4.6: 75.4 (#63)

Instruction Following benchmarks
BenchmarkDeepSeek-V3Grok 4.6
LMArena Instruction Following13451431
LiveBench Instruction Following81.5%—
IFEval83.2%—

Long Context Grok 4.6 leads

DeepSeek-V3: 34.0 (#253), Grok 4.6: 44.5 (#66)

Long Context benchmarks
BenchmarkDeepSeek-V3Grok 4.6
LMArena Longer Query13521454
Fiction.LiveBench50%—

Writing & Preference Grok 4.6 leads

DeepSeek-V3: 57.4 (#130), Grok 4.6: 62.3 (#80)

Writing & Preference benchmarks
BenchmarkDeepSeek-V3Grok 4.6
LMArena Text13751428
LMArena Creative Writing13641428
LMArena Multi-Turn13891425
Short-Story Creative Writing77%—
EQ-Bench Creative Writing1472—
WildBench83%—
LiveBench Language49.1%—

Frequently asked questions

Is DeepSeek-V3 better than Grok 4.6?

Grok 4.6 is the stronger model overall, scoring 56.9 to 39.5 on the Noometry Index. DeepSeek-V3 costs 7.4× less per token, which makes it the better buy when Grok 4.6's lead doesn't matter for your workload.

Which is cheaper, DeepSeek-V3 or Grok 4.6?

DeepSeek-V3 is cheaper. It lists at $0.24 per million input tokens and $0.90 per million output tokens; Grok 4.6 lists at $2 and $6.

Is DeepSeek-V3 or Grok 4.6 better for coding?

Grok 4.6 scores higher on coding benchmarks: 58.5 versus 42.3 in the Noometry coding category.

Which has the bigger context window?

Grok 4.6 does, with 500K tokens against 164K.

How many benchmarks do DeepSeek-V3 and Grok 4.6 share?

26 benchmarks have published results for both models. DeepSeek-V3 has 60 scored results on Noometry and Grok 4.6 has 49.

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