Compare · ModelsLive · 2 picked · head to head
Gemini 2.5 Pro vs o3 Pro
Side by side · benchmarks, pricing, and signals you can act on.
Winner summary
o3 Pro wins on 7/8 benchmarks
o3 Pro wins 7 of 8 shared benchmarks. Leads in coding · reasoning · general.
Category leads
coding·o3 Proreasoning·o3 Progeneral·o3 Proknowledge·o3 Pro
Hype vs Reality
Attention vs performance
Gemini 2.5 Pro
#116 by perf·no signal
o3 Pro
#42 by perf·no signal
Best value
Gemini 2.5 Pro
7.4x better value than o3 Pro
Gemini 2.5 Pro
9.0 pts/$
$5.63/M
o3 Pro
1.2 pts/$
$50.00/M
Vendor risk
Who is behind the model
Google DeepMind
$4.20T·Tier 1
OpenAI
$840.0B·Tier 1
Head to head
8 benchmarks · 2 models
Gemini 2.5 Proo3 Pro
Aider polyglot
o3 Pro leads by +1.8
Aider Polyglot · measures how well AI models can edit code across multiple programming languages using the Aider coding assistant framework.
Gemini 2.5 Pro
83.1
o3 Pro
84.9
ARC-AGI
o3 Pro leads by +18.3
ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization.
Gemini 2.5 Pro
41.0
o3 Pro
59.3
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.
Gemini 2.5 Pro
4.9
o3 Pro
4.9
Dtbench
o3 Pro leads by +7.5
Gemini 2.5 Pro
70.7
o3 Pro
78.2
Fiction.LiveBench
o3 Pro leads by +5.5
Fiction.LiveBench · a continuously updated benchmark using recently published fiction to test reading comprehension and reasoning, preventing data contamination.
Gemini 2.5 Pro
91.7
o3 Pro
97.2
Lech Mazur Writing
o3 Pro leads by +0.6
Lech Mazur Writing · evaluates creative writing ability, assessing prose quality, narrative coherence, and stylistic sophistication.
Gemini 2.5 Pro
83.8
o3 Pro
84.4
Lmca
o3 Pro leads by +4.4
Gemini 2.5 Pro
40.9
o3 Pro
45.3
WeirdML
o3 Pro leads by +4.2
WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns.
Gemini 2.5 Pro
54.0
o3 Pro
58.2
Full benchmark table
| Benchmark | Gemini 2.5 Pro | o3 Pro |
|---|---|---|
Aider polyglot Aider Polyglot · measures how well AI models can edit code across multiple programming languages using the Aider coding assistant framework. | 83.1 | 84.9 |
ARC-AGI ARC-AGI · the original Abstraction and Reasoning Corpus, testing whether AI can solve novel visual pattern recognition tasks without memorization. | 41.0 | 59.3 |
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. | 4.9 | 4.9 |
Dtbench | 70.7 | 78.2 |
Fiction.LiveBench Fiction.LiveBench · a continuously updated benchmark using recently published fiction to test reading comprehension and reasoning, preventing data contamination. | 91.7 | 97.2 |
Lech Mazur Writing Lech Mazur Writing · evaluates creative writing ability, assessing prose quality, narrative coherence, and stylistic sophistication. | 83.8 | 84.4 |
Lmca | 40.9 | 45.3 |
WeirdML WeirdML · tests models on unusual and adversarial machine learning tasks that require creative problem-solving beyond standard patterns. | 54.0 | 58.2 |
Pricing · per 1M tokens · projected $/mo at 10M tokens
| Model | Input | Output | Context | Projected $/mo |
|---|---|---|---|---|
| $1.25 | $10.00 | 1.0M tokens (~524 books) | $34.38 | |
| $20.00 | $80.00 | 200K tokens (~100 books) | $350.00 |