Model comparison

DeepSeek-V3 vs Grok 4.20 Multi-Agent

Grok 4.20 Multi-Agent is the stronger model overall, scoring 46.2 to 39.5 on the Noometry Index. DeepSeek-V3 costs 3.9× less per token, which makes it the better buy when Grok 4.20 Multi-Agent's lead doesn't matter for your workload.

Last verified . 17 shared benchmarks.

DeepSeek-V3 DeepSeek

39.5

Rank #166 Confirmed

Grok 4.20 Multi-Agent xAI

46.2

Rank #65 Confirmed

Summary

  • They share 17 benchmarks with published results for both. DeepSeek-V3 scores higher in 0 categories and Grok 4.20 Multi-Agent in 8 categories; 7 gaps are clear of the uncertainty.
  • The widest gap is in reasoning, where Grok 4.20 Multi-Agent leads 43.9 to 20.5.
  • DeepSeek-V3 is cheaper at $0.24 / $0.90 per million input/output tokens, against $1.25 / $2.50 for Grok 4.20 Multi-Agent.
  • Grok 4.20 Multi-Agent accepts more context: 1M tokens versus 164K.
  • DeepSeek-V3 has downloadable open weights; the other is API-only.

Side by side

DeepSeek-V3 and Grok 4.20 Multi-Agent specifications
DeepSeek-V3Grok 4.20 Multi-Agent
ProviderDeepSeekxAI
Noometry Index39.546.2
Released2024-12-262026-03-09
WeightsOpenProprietary
Context window164K1M
Max output164K30K
Input $ / M tokens$0.24$1.25
Output $ / M tokens$0.90$2.50
Results tracked6020

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Category by category

Coding Too close to call

DeepSeek-V3: 42.3 (#106), Grok 4.20 Multi-Agent: 43.0 (#92)

Coding benchmarks
BenchmarkDeepSeek-V3Grok 4.20 Multi-Agent
LMArena Coding13681457
Aider Polyglot55.1%—
SciCode35.8%—
WeirdML36.1%—
BigCodeBench Instruct50%—
LiveBench Coding70.9%—
BigCodeBench Complete62.2%—
HumanEval+86.6%—
MBPP+73%—

Agentic & Tool Use Not comparable

DeepSeek-V3: —, Grok 4.20 Multi-Agent: —

Agentic & Tool Use benchmarks
BenchmarkDeepSeek-V3Grok 4.20 Multi-Agent
LMArena Search—1204
METR Time Horizons49.6%—

Reasoning Grok 4.20 Multi-Agent leads

DeepSeek-V3: 20.5 (#236), Grok 4.20 Multi-Agent: 43.9 (#48)

Reasoning benchmarks
BenchmarkDeepSeek-V3Grok 4.20 Multi-Agent
LMArena Hard Prompts13651448
SimpleBench27.2%—
Kagi LLM Benchmark52.3%—
NYT Connections (extended)—89.6%
CritPt0%—
LiveBench Reasoning65.8%—
DTBench64.8%—
LiveBench Data Analysis60.9%—
LMCA15.5%—
BIG-Bench Hard87.5%—
Epoch Capabilities Index135.94—
ForecastBench59.1—
HellaSwag88.9%—
LiveBench66.9%—
PIQA84.7%—
WinoGrande85.2%—

Math Grok 4.20 Multi-Agent leads

DeepSeek-V3: 32.1 (#219), Grok 4.20 Multi-Agent: 39.4 (#104)

Math benchmarks
BenchmarkDeepSeek-V3Grok 4.20 Multi-Agent
LMArena Math13731442
OTIS Mock AIME 2024-202537.8%—
Omni-MATH40.3%—
LiveBench Math73.5%—
MATH Level 575.5%—
FrontierMath (Feb 2025 set)1.7%—

Knowledge Grok 4.20 Multi-Agent leads

DeepSeek-V3: 37.5 (#155), Grok 4.20 Multi-Agent: 40.4 (#119)

Knowledge benchmarks
BenchmarkDeepSeek-V3Grok 4.20 Multi-Agent
LMArena Expert13511445
GPQA Diamond67.6%—
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 4.20 Multi-Agent: 40.5 (#48)

Multimodal benchmarks
BenchmarkDeepSeek-V3Grok 4.20 Multi-Agent
LMArena Vision—1259

Multilingual Grok 4.20 Multi-Agent leads

DeepSeek-V3: 48.5 (#143), Grok 4.20 Multi-Agent: 54.4 (#43)

Multilingual benchmarks
BenchmarkDeepSeek-V3Grok 4.20 Multi-Agent
LMArena Non-English13581440
LMArena Chinese13911475
LMArena French13851466
LMArena German13741456
LMArena Japanese13331405
LMArena Korean13191416
LMArena Russian13731457
LMArena Spanish13581447

Instruction Following Grok 4.20 Multi-Agent leads

DeepSeek-V3: 72.8 (#130), Grok 4.20 Multi-Agent: 74.8 (#84)

Instruction Following benchmarks
BenchmarkDeepSeek-V3Grok 4.20 Multi-Agent
LMArena Instruction Following13451420
LiveBench Instruction Following81.5%—
IFEval83.2%—

Long Context Grok 4.20 Multi-Agent leads

DeepSeek-V3: 34.0 (#253), Grok 4.20 Multi-Agent: 43.7 (#88)

Long Context benchmarks
BenchmarkDeepSeek-V3Grok 4.20 Multi-Agent
LMArena Longer Query13521431
Fiction.LiveBench50%—

Writing & Preference Grok 4.20 Multi-Agent leads

DeepSeek-V3: 57.4 (#130), Grok 4.20 Multi-Agent: 64.0 (#59)

Writing & Preference benchmarks
BenchmarkDeepSeek-V3Grok 4.20 Multi-Agent
LMArena Text13751450
LMArena Creative Writing13641436
LMArena Multi-Turn13891452
Short-Story Creative Writing77%—
EQ-Bench Creative Writing1472—
WildBench83%—
LiveBench Language49.1%—

Frequently asked questions

Is DeepSeek-V3 better than Grok 4.20 Multi-Agent?

Grok 4.20 Multi-Agent is the stronger model overall, scoring 46.2 to 39.5 on the Noometry Index. DeepSeek-V3 costs 3.9× less per token, which makes it the better buy when Grok 4.20 Multi-Agent's lead doesn't matter for your workload.

Which is cheaper, DeepSeek-V3 or Grok 4.20 Multi-Agent?

DeepSeek-V3 is cheaper. It lists at $0.24 per million input tokens and $0.90 per million output tokens; Grok 4.20 Multi-Agent lists at $1.25 and $2.50.

Is DeepSeek-V3 or Grok 4.20 Multi-Agent better for coding?

They score almost the same on coding (42.3 vs 43.0); test both on your own repository before choosing.

Which has the bigger context window?

Grok 4.20 Multi-Agent does, with 1M tokens against 164K.

How many benchmarks do DeepSeek-V3 and Grok 4.20 Multi-Agent share?

17 benchmarks have published results for both models. DeepSeek-V3 has 60 scored results on Noometry and Grok 4.20 Multi-Agent has 20.

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