Compare · ModelsLive · 2 picked · head to head

DeepSeek V4.1 Flash 1017 vs GPT-4.1

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

Winner summary

DeepSeek V4.1 Flash 1017 wins 7 of 7 shared benchmarks. Leads in reasoning · knowledge · math.

Category leads
reasoning·DeepSeek V4.1 Flash 1017knowledge·DeepSeek V4.1 Flash 1017math·DeepSeek V4.1 Flash 1017
Hype vs Reality
DeepSeek V4.1 Flash 1017
#41 by perf·#4 by attention
DESERVED
GPT-4.1
#201 by perf·no signal
QUIET
Best value
32.1x better value than GPT-4.1
DeepSeek V4.1 Flash 1017
254.9 pts/$
$0.25/M
GPT-4.1
7.9 pts/$
$5.00/M
Vendor risk
One or more vendors flagged
DeepSeek logo
DeepSeek
$3.4B·Tier 1
Higher risk
OpenAI logo
OpenAI
$840.0B·Tier 1
Medium risk
Head to head
DeepSeek V4.1 Flash 1017GPT-4.1
ARC-AGI
DeepSeek V4.1 Flash 1017 leads by +89.0
ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization.
DeepSeek V4.1 Flash 1017
94.5
GPT-4.1
5.5
ARC-AGI-2
DeepSeek V4.1 Flash 1017 leads by +77.6
ARC-AGI-2 · the second iteration of the Abstraction and Reasoning Corpus, testing novel pattern recognition and abstract reasoning without prior training data.
DeepSeek V4.1 Flash 1017
78.1
GPT-4.1
0.4
Chess Puzzles
DeepSeek V4.1 Flash 1017 leads by +36.8
Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities.
DeepSeek V4.1 Flash 1017
43.2
GPT-4.1
6.4
FrontierMath-Tiers-1-3-v2-Private
DeepSeek V4.1 Flash 1017 leads by +68.7
DeepSeek V4.1 Flash 1017
75.0
GPT-4.1
6.3
GPQA diamond
DeepSeek V4.1 Flash 1017 leads by +38.8
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
DeepSeek V4.1 Flash 1017
94.7
GPT-4.1
55.9
OTIS Mock AIME 2024-2025
DeepSeek V4.1 Flash 1017 leads by +61.2
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
DeepSeek V4.1 Flash 1017
99.4
GPT-4.1
38.3
SimpleQA Verified
DeepSeek V4.1 Flash 1017 leads by +11.4
SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information.
DeepSeek V4.1 Flash 1017
42.5
GPT-4.1
31.1
Full benchmark table
BenchmarkDeepSeek V4.1 Flash 1017GPT-4.1
ARC-AGI
ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization.
94.55.5
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.
78.10.4
Chess Puzzles
Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities.
43.26.4
FrontierMath-Tiers-1-3-v2-Private
75.06.3
GPQA diamond
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
94.755.9
OTIS Mock AIME 2024-2025
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
99.438.3
SimpleQA Verified
SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information.
42.531.1
Pricing · per 1M tokens · projected $/mo at 10M tokens
ModelInputOutputContextProjected $/mo
DeepSeek logoDeepSeek V4.1 Flash 1017$0.01$0.501.0M tokens (~524 books)$1.29
OpenAI logoGPT-4.1$2.00$8.001.0M tokens (~524 books)$35.00