Model Comparison
Gemini 1.0 Pro vs o3-proWhich is better in 2026?
Comparing Gemini 1.0 Pro and o3-pro across benchmarks, pricing, and capabilities.
Verdict: Gemini 1.0 Pro vs o3-pro — which is better?
Gemini 1.0 Pro (by Google) and o3-pro (by OpenAI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.
On price, Gemini 1.0 Pro is roughly 46.7x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
o3-pro also accepts a larger context window (200,000 input tokens), making it the stronger choice for long documents and large codebases.
Choose Gemini 1.0 Pro if…
- cost matters — it's about 46.7x cheaper per token
Choose o3-pro if…
- you process long inputs — it offers a 200,000 token context window
- you want the most recent training data — it shipped Jun 2025
Performance Benchmarks
Comparative analysis across standard metrics
Gemini 1.0 Pro and o3-prodon't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, Gemini 1.0 Pro ($0.50/1M tokens) is 40.0x cheaper than o3-pro ($20.00/1M tokens).
For output processing, Gemini 1.0 Pro ($1.50/1M tokens) is 53.3x cheaper than o3-pro ($80.00/1M tokens).
In conclusion, o3-pro is more expensive than Gemini 1.0 Pro.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
o3-pro accepts 200,000 input tokens compared to Gemini 1.0 Pro's 32,760 tokens. o3-pro can generate longer responses up to 100,000 tokens, while Gemini 1.0 Pro is limited to 8,192 tokens.
Input Capabilities
Supported data types and modalities
o3-pro supports multimodal inputs, whereas Gemini 1.0 Pro does not.
o3-pro can handle both text and other forms of data like images, making it suitable for multimodal applications.
Gemini 1.0 Pro
o3-pro
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
Gemini 1.0 Pro was released on 2024-02-15, while o3-pro was released on 2025-06-10.
o3-pro is 16 months newer than Gemini 1.0 Pro.
Feb 15, 2024
2.4 years ago
Jun 10, 2025
1.0 years ago
1.3yr newerKnowledge Cutoff
When training data ends
Gemini 1.0 Pro has a knowledge cutoff of 2024-02-01, while o3-pro has a cutoff of 2024-05-31.
o3-pro has more recent training data (up to 2024-05-31), making it potentially better informed about events through that date compared to Gemini 1.0 Pro (2024-02-01).
Feb 2024
May 2024
3 mo newerProvider Availability
Gemini 1.0 Pro is available from Google. o3-pro is available from OpenAI.
Gemini 1.0 Pro
o3-pro
Outputs Comparison
Key Takeaways
o3-pro
View detailsOpenAI
Detailed Comparison
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FAQ
Common questions about Gemini 1.0 Pro vs o3-pro.