AI Models · Compare
Gemini 2.5 Pro vs OpenAI o1
Side-by-side intelligence, speed, price, benchmarks, strengths and weaknesses.
Head to head
Spec
Gemini 2.5 Pro
OpenAI o1
Intelligence index↑ better
Winner78
76
Speed↑ better
Winner110 tok/s
32 tok/s
Time to first token↓ better
Winner0.7 s
12 s
Context window↑ better
Winner2M
200k
Max output↑ better
66k
Winner100k
Input price↓ better
Winner$1.25 / 1M tokens
$15.00 / 1M tokens
Output price↓ better
Winner$5.00 / 1M tokens
$60.00 / 1M tokens
Blended price↓ better
Winner$2.19 / 1M tokens
$26.25 / 1M tokens
License
Proprietary
Proprietary
Input modalities
text, image, audio, video
text, image
Output modalities
text
text
Benchmark showdown
MMLU
Gemini 2.5 Pro
89.5
OpenAI o1
91.8
MMLU Pro
Gemini 2.5 Pro
78.5
OpenAI o1
80.0
GPQA
Gemini 2.5 Pro
66.0
OpenAI o1
78.0
MATH
Gemini 2.5 Pro
91.0
OpenAI o1
94.8
HumanEval
Gemini 2.5 Pro
91.5
OpenAI o1
92.4
Strengths, weaknesses and best-for
Gemini 2.5 Pro
Strengths
- 2M context
- Native video understanding
- Strong on math
Weaknesses
- Output ceiling lower than competitors
Best for
- Whole-codebase analysis
- Long-doc workflows
- Video QA
OpenAI o1
Strengths
- Tops MATH and GPQA leaderboards
- Self-checks its work
Weaknesses
- Very slow
- Very expensive
- Overkill for simple tasks
Best for
- Research problems
- Olympiad-level math
- Algorithm design
Quick verdict
- Pick Gemini 2.5 Pro if you want it smarter, faster, cheaper and longer context.
Auto-generated from the spec sheet. Always validate on your own evals.
Compare other popular pairs
One-click comparisons for the matchups people search the most.
Frontier head-to-head
GPT-5.5vsClaude 4 Opus
Top US labs
GPT-5.5vsGemini 2.5 Pro
Workhorse pair
Claude 4 SonnetvsGemini 2.5 Pro
Open-source frontier
DeepSeek V3vsLlama 3.3 70B
Fast & cheap
GPT-5.5 minivsClaude 3.5 Haiku
Reasoning models
OpenAI o1vsDeepSeek R1
Best image generators
Midjourney v6.1vsFLUX.1 Pro
Top video generators
SoravsRunway Gen-3 Alpha
Explore every model in one place
The hub has every AI model on one sortable table — intelligence, speed and price.