Compare · ModelsLive · 2 picked · head to head
DeepSeek V4.1 Flash 1017 vs Gemini 2.5 Pro
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
DeepSeek V4.1 Flash 1017 wins on 8/9 benchmarks
DeepSeek V4.1 Flash 1017 wins 8 of 9 shared benchmarks. Leads in agentic · reasoning · knowledge.
Category leads
agentic·DeepSeek V4.1 Flash 1017reasoning·DeepSeek V4.1 Flash 1017knowledge·DeepSeek V4.1 Flash 1017math·DeepSeek V4.1 Flash 1017
Hype vs Reality
Attention vs performance
DeepSeek V4.1 Flash 1017
#41 by perf·#4 by attention
Gemini 2.5 Pro
#125 by perf·no signal
Best value
DeepSeek V4.1 Flash 1017
28.2x better value than Gemini 2.5 Pro
DeepSeek V4.1 Flash 1017
254.9 pts/$
$0.25/M
Gemini 2.5 Pro
9.0 pts/$
$5.63/M
Vendor risk
Mixed exposure
One or more vendors flagged
DeepSeek
$3.4B·Tier 1
Google DeepMind
$3.53T·Tier 1
Head to head
9 benchmarks · 2 models
DeepSeek V4.1 Flash 1017Gemini 2.5 Pro
APEX-Agents
DeepSeek V4.1 Flash 1017 leads by +63.2
APEX-Agents · evaluates AI agents on complex, multi-step tasks requiring planning, tool use, and autonomous decision-making in realistic environments.
DeepSeek V4.1 Flash 1017
69.8
Gemini 2.5 Pro
6.6
ARC-AGI
DeepSeek V4.1 Flash 1017 leads by +53.5
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
Gemini 2.5 Pro
41.0
ARC-AGI-2
DeepSeek V4.1 Flash 1017 leads by +73.2
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
Gemini 2.5 Pro
4.9
Chess Puzzles
DeepSeek V4.1 Flash 1017 leads by +27.4
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
Gemini 2.5 Pro
15.8
FrontierMath-Tier-4-v2-Private
DeepSeek V4.1 Flash 1017 leads by +46.3
DeepSeek V4.1 Flash 1017
46.3
Gemini 2.5 Pro
0.0
FrontierMath-Tiers-1-3-v2-Private
DeepSeek V4.1 Flash 1017 leads by +49.1
DeepSeek V4.1 Flash 1017
75.0
Gemini 2.5 Pro
25.9
GPQA diamond
DeepSeek V4.1 Flash 1017 leads by +11.0
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
Gemini 2.5 Pro
83.7
OTIS Mock AIME 2024-2025
DeepSeek V4.1 Flash 1017 leads by +14.7
OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
DeepSeek V4.1 Flash 1017
99.4
Gemini 2.5 Pro
84.7
SimpleQA Verified
Gemini 2.5 Pro leads by +13.5
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
Gemini 2.5 Pro
56.0
Full benchmark table
| Benchmark | DeepSeek V4.1 Flash 1017 | Gemini 2.5 Pro |
|---|---|---|
APEX-Agents APEX-Agents · evaluates AI agents on complex, multi-step tasks requiring planning, tool use, and autonomous decision-making in realistic environments. | 69.8 | 6.6 |
ARC-AGI ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization. | 94.5 | 41.0 |
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. | 78.1 | 4.9 |
Chess Puzzles Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities. | 43.2 | 15.8 |
FrontierMath-Tier-4-v2-Private | 46.3 | 0.0 |
FrontierMath-Tiers-1-3-v2-Private | 75.0 | 25.9 |
GPQA diamond Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs. | 94.7 | 83.7 |
OTIS Mock AIME 2024-2025 OTIS Mock AIME 2024-2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills. | 99.4 | 84.7 |
SimpleQA Verified SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information. | 42.5 | 56.0 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $0.01 | $0.50 | 1.0M tokens (~524 books) | $1.29 | |
| $1.25 | $10.00 | 1.0M tokens (~524 books) | $34.38 |
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