Compare · ModelsLive · 2 picked · head to head

DeepSeek V4.1 Flash 1017 vs GPT-5 Mini

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

Winner summary

DeepSeek V4.1 Flash 1017 wins 9 of 9 shared benchmarks. Leads in reasoning · knowledge · math.

Category leads
reasoning·DeepSeek V4.1 Flash 1017knowledge·DeepSeek V4.1 Flash 1017math·DeepSeek V4.1 Flash 1017general·DeepSeek V4.1 Flash 1017
Hype vs Reality
DeepSeek V4.1 Flash 1017
#41 by perf·#4 by attention
DESERVED
GPT-5 Mini
#120 by perf·#9 by attention
DESERVED
Best value
5.6x better value than GPT-5 Mini
DeepSeek V4.1 Flash 1017
254.9 pts/$
$0.25/M
GPT-5 Mini
45.8 pts/$
$1.13/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-5 Mini
ARC-AGI
DeepSeek V4.1 Flash 1017 leads by +40.2
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-5 Mini
54.3
ARC-AGI-2
DeepSeek V4.1 Flash 1017 leads by +73.6
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-5 Mini
4.4
Chess Puzzles
DeepSeek V4.1 Flash 1017 leads by +23.1
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-5 Mini
20.0
FrontierMath-Tier-4-v2-Private
DeepSeek V4.1 Flash 1017 leads by +34.1
DeepSeek V4.1 Flash 1017
46.3
GPT-5 Mini
12.2
FrontierMath-Tiers-1-3-v2-Private
DeepSeek V4.1 Flash 1017 leads by +25.9
DeepSeek V4.1 Flash 1017
75.0
GPT-5 Mini
49.1
GPQA diamond
DeepSeek V4.1 Flash 1017 leads by +25.3
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-5 Mini
69.4
Mystery Game Puzzles
DeepSeek V4.1 Flash 1017 leads by +43.0
DeepSeek V4.1 Flash 1017
43.8
GPT-5 Mini
0.9
OTIS Mock AIME 2024-2025
DeepSeek V4.1 Flash 1017 leads by +12.8
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
DeepSeek V4.1 Flash 1017
99.4
GPT-5 Mini
86.7
SimpleQA Verified
DeepSeek V4.1 Flash 1017 leads by +21.5
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-5 Mini
21.0
Full benchmark table
BenchmarkDeepSeek V4.1 Flash 1017GPT-5 Mini
ARC-AGI
ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization.
94.554.3
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.
78.14.4
Chess Puzzles
Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities.
43.220.0
FrontierMath-Tier-4-v2-Private
46.312.2
FrontierMath-Tiers-1-3-v2-Private
75.049.1
GPQA diamond
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
94.769.4
Mystery Game Puzzles
43.80.9
OTIS Mock AIME 2024-2025
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
99.486.7
SimpleQA Verified
SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information.
42.521.0
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-5 Mini$0.25$2.00400K tokens (~200 books)$6.88