Compare · ModelsLive · 2 picked · head to head

DeepSeek V4 Flash 0731 vs Grok 4

Side by side · benchmarks, pricing, and signals you can act on.

Winner summary

DeepSeek V4 Flash 0731 wins 7 of 8 shared benchmarks. Leads in reasoning · knowledge · math.

Category leads
reasoning·DeepSeek V4 Flash 0731knowledge·DeepSeek V4 Flash 0731math·DeepSeek V4 Flash 0731coding·DeepSeek V4 Flash 0731
Hype vs Reality
DeepSeek V4 Flash 0731
#76 by perf·#6 by attention
DESERVED
Grok 4
#87 by perf·#15 by attention
UNDERRATED
Best value
DeepSeek V4 Flash 0731
85.5 pts/$
$0.65/M
Grok 4
n/a
no price
Vendor risk
One or more vendors flagged
DeepSeek logo
DeepSeek
$3.4B·Tier 1
Higher risk
xAI logo
xAI
$250.0B·Tier 1
Medium risk
Head to head
DeepSeek V4 Flash 0731Grok 4
ARC-AGI
DeepSeek V4 Flash 0731 leads by +22.3
ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization.
DeepSeek V4 Flash 0731
89.0
Grok 4
66.7
ARC-AGI-2
DeepSeek V4 Flash 0731 leads by +45.4
ARC-AGI-2 · the second iteration of the Abstraction and Reasoning Corpus, testing novel pattern recognition and abstract reasoning without prior training data.
DeepSeek V4 Flash 0731
61.4
Grok 4
16.0
Chess Puzzles
DeepSeek V4 Flash 0731 leads by +5.3
Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities.
DeepSeek V4 Flash 0731
29.5
Grok 4
24.2
GPQA diamond
DeepSeek V4 Flash 0731 leads by +5.4
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
DeepSeek V4 Flash 0731
88.0
Grok 4
82.7
OTIS Mock AIME 2024-2025
DeepSeek V4 Flash 0731 leads by +10.5
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
DeepSeek V4 Flash 0731
94.4
Grok 4
84.0
SimpleBench
DeepSeek V4 Flash 0731 leads by +0.7
SimpleBench · tests fundamental reasoning capabilities with straightforward problems designed to expose gaps in basic logical and spatial thinking.
DeepSeek V4 Flash 0731
53.3
Grok 4
52.6
SimpleQA Verified
Grok 4 leads by +14.3
SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information.
DeepSeek V4 Flash 0731
33.6
Grok 4
47.9
WeirdML
DeepSeek V4 Flash 0731 leads by +17.2
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
DeepSeek V4 Flash 0731
63.0
Grok 4
45.7
Full benchmark table
BenchmarkDeepSeek V4 Flash 0731Grok 4
ARC-AGI
ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization.
89.066.7
ARC-AGI-2
ARC-AGI-2 · the second iteration of the Abstraction and Reasoning Corpus, testing novel pattern recognition and abstract reasoning without prior training data.
61.416.0
Chess Puzzles
Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities.
29.524.2
GPQA diamond
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
88.082.7
OTIS Mock AIME 2024-2025
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
94.484.0
SimpleBench
SimpleBench · tests fundamental reasoning capabilities with straightforward problems designed to expose gaps in basic logical and spatial thinking.
53.352.6
SimpleQA Verified
SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information.
33.647.9
WeirdML
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
63.045.7
Pricing · per 1M tokens · projected $/mo at 10M tokens
ModelInputOutputContextProjected $/mo
DeepSeek logoDeepSeek V4 Flash 0731$0.02$1.281.0M tokens (~524 books)$3.31
xAI logoGrok 4————