Compare · ModelsLive · 2 picked · head to head
Gemini 3 Pro vs Gemini 3 Flash Preview
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
Gemini 3 Pro wins on 12/21 benchmarks
Gemini 3 Pro wins 12 of 21 shared benchmarks. Leads in reasoning · arena · knowledge.
Category leads
speed·Gemini 3 Flash Previewagentic·Gemini 3 Flash Previewreasoning·Gemini 3 Proarena·Gemini 3 Proknowledge·Gemini 3 Promath·Gemini 3 Procoding·Gemini 3 Pro
Hype vs Reality
Attention vs performance
Gemini 3 Pro
#38 by perf·no signal
Gemini 3 Flash Preview
#96 by perf·no signal
Best value
Gemini 3 Flash Preview
Gemini 3 Pro
—
no price
Gemini 3 Flash Preview
28.1 pts/$
$1.75/M
Vendor risk
Who is behind the model
Google DeepMind
$4.00T·Tier 1
Google DeepMind
$4.00T·Tier 1
Head to head
21 benchmarks · 2 models
Gemini 3 ProGemini 3 Flash Preview
Artificial Analysis · Agentic Index
Gemini 3 Flash Preview leads by +4.6
Gemini 3 Pro
45.0
Gemini 3 Flash Preview
49.7
Artificial Analysis · Coding Index
Gemini 3 Flash Preview leads by +3.3
Gemini 3 Pro
39.4
Gemini 3 Flash Preview
42.6
Artificial Analysis · Quality Index
Gemini 3 Flash Preview leads by +5.1
Gemini 3 Pro
41.3
Gemini 3 Flash Preview
46.4
APEX-Agents
Gemini 3 Flash Preview leads by +5.6
APEX-Agents · evaluates AI agents on complex, multi-step tasks requiring planning, tool use, and autonomous decision-making in realistic environments.
Gemini 3 Pro
18.4
Gemini 3 Flash Preview
24.0
ARC-AGI
Gemini 3 Pro leads by +53.5
ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization.
Gemini 3 Pro
75.0
Gemini 3 Flash Preview
21.5
ARC-AGI-2
Gemini 3 Flash Preview leads by +2.5
ARC-AGI-2 · the second iteration of the Abstraction and Reasoning Corpus, testing novel pattern recognition and abstract reasoning without prior training data.
Gemini 3 Pro
31.1
Gemini 3 Flash Preview
33.6
Chatbot Arena Elo · Coding
Gemini 3 Pro leads by +1.1
Gemini 3 Pro
1437.6
Gemini 3 Flash Preview
1436.4
Chatbot Arena Elo · Overall
Gemini 3 Pro leads by +12.3
Gemini 3 Pro
1486.2
Gemini 3 Flash Preview
1473.9
Chess Puzzles
Gemini 3 Flash Preview leads by +7.0
Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities.
Gemini 3 Pro
31.0
Gemini 3 Flash Preview
38.0
FrontierMath-2025-02-28-Private
Gemini 3 Pro leads by +2.0
FrontierMath (Feb 2025) · original research-level math problems created by mathematicians, testing capabilities at the boundary of current AI mathematical reasoning.
Gemini 3 Pro
37.6
Gemini 3 Flash Preview
35.6
FrontierMath-Tier-4-2025-07-01-Private
Gemini 3 Pro leads by +14.6
FrontierMath Tier 4 (Jul 2025) · the most challenging tier of frontier mathematics, containing problems that push the absolute limits of AI mathematical reasoning.
Gemini 3 Pro
18.8
Gemini 3 Flash Preview
4.2
GeoBench
Gemini 3 Flash Preview leads by +4.0
GeoBench · tests geographic knowledge and spatial reasoning across countries, landmarks, coordinates, and geopolitical understanding.
Gemini 3 Pro
84.0
Gemini 3 Flash Preview
88.0
GPQA diamond
Gemini 3 Pro leads by +12.5
Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs.
Gemini 3 Pro
90.2
Gemini 3 Flash Preview
77.6
GSO-Bench
Gemini 3 Pro leads by +8.8
GSO-Bench · evaluates AI models on real-world open-source software engineering tasks, testing the ability to understand and resolve actual GitHub issues.
Gemini 3 Pro
18.6
Gemini 3 Flash Preview
9.8
OTIS Mock AIME 2024-2025
Gemini 3 Flash Preview leads by +1.4
OTIS Mock AIME 2024–2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills.
Gemini 3 Pro
91.4
Gemini 3 Flash Preview
92.8
SimpleBench
Gemini 3 Pro leads by +18.4
SimpleBench · tests fundamental reasoning capabilities with straightforward problems designed to expose gaps in basic logical and spatial thinking.
Gemini 3 Pro
71.7
Gemini 3 Flash Preview
53.3
SimpleQA Verified
Gemini 3 Pro leads by +5.5
SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information.
Gemini 3 Pro
72.9
Gemini 3 Flash Preview
67.4
SWE-Bench verified
Gemini 3 Flash Preview leads by +2.5
Gemini 3 Pro
72.9
Gemini 3 Flash Preview
75.4
Terminal Bench
Gemini 3 Pro leads by +5.1
Terminal Bench · tests the ability to accomplish real-world tasks using terminal commands, evaluating shell scripting and CLI tool proficiency.
Gemini 3 Pro
69.4
Gemini 3 Flash Preview
64.3
VPCT
Gemini 3 Pro leads by +27.6
VPCT (Visual Pattern Completion Test) · tests visual reasoning and pattern recognition by having models complete visual sequences and transformations.
Gemini 3 Pro
86.5
Gemini 3 Flash Preview
58.9
WeirdML
Gemini 3 Pro leads by +8.3
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
Gemini 3 Pro
69.9
Gemini 3 Flash Preview
61.6
Full benchmark table
| Benchmark | Gemini 3 Pro | Gemini 3 Flash Preview |
|---|---|---|
Artificial Analysis · Agentic Index | 45.0 | 49.7 |
Artificial Analysis · Coding Index | 39.4 | 42.6 |
Artificial Analysis · Quality Index | 41.3 | 46.4 |
APEX-Agents APEX-Agents · evaluates AI agents on complex, multi-step tasks requiring planning, tool use, and autonomous decision-making in realistic environments. | 18.4 | 24.0 |
ARC-AGI ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization. | 75.0 | 21.5 |
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. | 31.1 | 33.6 |
Chatbot Arena Elo · Coding | 1437.6 | 1436.4 |
Chatbot Arena Elo · Overall | 1486.2 | 1473.9 |
Chess Puzzles Chess Puzzles · tests strategic and tactical reasoning by having models solve chess puzzle positions, evaluating lookahead and pattern recognition abilities. | 31.0 | 38.0 |
FrontierMath-2025-02-28-Private FrontierMath (Feb 2025) · original research-level math problems created by mathematicians, testing capabilities at the boundary of current AI mathematical reasoning. | 37.6 | 35.6 |
FrontierMath-Tier-4-2025-07-01-Private FrontierMath Tier 4 (Jul 2025) · the most challenging tier of frontier mathematics, containing problems that push the absolute limits of AI mathematical reasoning. | 18.8 | 4.2 |
GeoBench GeoBench · tests geographic knowledge and spatial reasoning across countries, landmarks, coordinates, and geopolitical understanding. | 84.0 | 88.0 |
GPQA diamond Graduate-Level Google-Proof QA (Diamond set) · expert-crafted questions in physics, biology, and chemistry that are difficult even for domain PhDs. | 90.2 | 77.6 |
GSO-Bench GSO-Bench · evaluates AI models on real-world open-source software engineering tasks, testing the ability to understand and resolve actual GitHub issues. | 18.6 | 9.8 |
OTIS Mock AIME 2024-2025 OTIS Mock AIME 2024–2025 · simulated American Invitational Mathematics Examination problems testing advanced problem-solving skills. | 91.4 | 92.8 |
SimpleBench SimpleBench · tests fundamental reasoning capabilities with straightforward problems designed to expose gaps in basic logical and spatial thinking. | 71.7 | 53.3 |
SimpleQA Verified SimpleQA Verified · short factual questions with verified answers, measuring factual accuracy and the tendency to hallucinate or provide incorrect information. | 72.9 | 67.4 |
SWE-Bench verified | 72.9 | 75.4 |
Terminal Bench Terminal Bench · tests the ability to accomplish real-world tasks using terminal commands, evaluating shell scripting and CLI tool proficiency. | 69.4 | 64.3 |
VPCT VPCT (Visual Pattern Completion Test) · tests visual reasoning and pattern recognition by having models complete visual sequences and transformations. | 86.5 | 58.9 |
WeirdML WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns. | 69.9 | 61.6 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| — | — | — | — | |
| $0.50 | $3.00 | 1.0M tokens (~524 books) | $11.25 |