Model Comparison

Gemini 3 Pro vs GPT-4o

Gemini 3 Pro significantly outperforms across most benchmarks. GPT-4o is 1.0x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

8 benchmarks

Gemini 3 Pro outperforms in 8 benchmarks (CharXiv-R, GPQA, Humanity's Last Exam, MMMLU, MMMU-Pro, SimpleQA, SWE-Bench Verified, VideoMMMU), while GPT-4o is better at 0 benchmarks.

Gemini 3 Pro significantly outperforms across most benchmarks.

Tue May 26 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

GPT-4o costs less

For input processing, Gemini 3 Pro ($2.00/1M tokens) is 1.3x cheaper than GPT-4o ($2.50/1M tokens).

For output processing, Gemini 3 Pro ($12.00/1M tokens) is 1.2x more expensive than GPT-4o ($10.00/1M tokens).

In conclusion, Gemini 3 Pro is more expensive than GPT-4o.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Tue May 26 2026 • llm-stats.com
Google
Gemini 3 Pro
Input tokens$2.00
Output tokens$12.00
Best providerGoogle
OpenAI
GPT-4o
Input tokens$2.50
Output tokens$10.00
Best providerAzure
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Gemini 3 Pro accepts 1,048,576 input tokens compared to GPT-4o's 128,000 tokens. Gemini 3 Pro can generate longer responses up to 65,536 tokens, while GPT-4o is limited to 16,384 tokens.

Google
Gemini 3 Pro
Input1,048,576 tokens
Output65,536 tokens
OpenAI
GPT-4o
Input128,000 tokens
Output16,384 tokens
Tue May 26 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Gemini 3 Pro and GPT-4o support multimodal inputs.

They are both capable of processing various types of data, offering versatility in application.

Gemini 3 Pro

Text
Images
Audio
Video

GPT-4o

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

Gemini 3 Pro

Proprietary

Closed source

GPT-4o

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 3 Pro was released on 2025-11-18, while GPT-4o was released on 2024-08-06.

Gemini 3 Pro is 16 months newer than GPT-4o.

Gemini 3 Pro

Nov 18, 2025

6 months ago

1.3yr newer
GPT-4o

Aug 6, 2024

1.8 years ago

Knowledge Cutoff

When training data ends

Gemini 3 Pro has a documented knowledge cutoff of 2025-01-31, while GPT-4o's cutoff date is not specified.

We can confirm Gemini 3 Pro's training data extends to 2025-01-31, but cannot make a direct comparison without GPT-4o's cutoff date.

Gemini 3 Pro

Jan 2025

GPT-4o

—

Provider Availability

Gemini 3 Pro is available from Google. GPT-4o is available from Azure, OpenAI.

Gemini 3 Pro

google logo
Google
Input Price:Input: $2.00/1MOutput Price:Output: $12.00/1M

GPT-4o

azure logo
Azure
Input Price:Input: $2.50/1MOutput Price:Output: $10.00/1M
openai logo
OpenAI
Input Price:Input: $2.50/1MOutput Price:Output: $10.00/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Google
Larger context window (1,048,576 tokens)
Less expensive input tokens
Higher CharXiv-R score (81.4% vs 58.8%)
Higher GPQA score (91.9% vs 70.1%)
Higher Humanity's Last Exam score (45.8% vs 5.3%)
Higher MMMLU score (91.8% vs 81.4%)
Higher MMMU-Pro score (81.0% vs 59.9%)
Higher SimpleQA score (72.1% vs 38.2%)
Higher SWE-Bench Verified score (76.2% vs 33.2%)
Higher VideoMMMU score (87.6% vs 61.2%)
OpenAI
Less expensive output tokens

Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemini 3 Pro
OpenAI
GPT-4o

FAQ

Common questions about Gemini 3 Pro vs GPT-4o.

Which is better, Gemini 3 Pro or GPT-4o?

Gemini 3 Pro significantly outperforms across most benchmarks. Gemini 3 Pro is made by Google and GPT-4o is made by OpenAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Gemini 3 Pro compare to GPT-4o in benchmarks?

Gemini 3 Pro scores AIME 2025: 100.0%, Vending-Bench 2: 100.0%, Global PIQA: 93.4%, GPQA: 91.9%, MMMLU: 91.8%. GPT-4o scores AI2D: 94.2%, DocVQA: 92.8%, ChartQA: 85.7%, MMLU: 85.7%, CharXiv-D: 85.3%.

Is Gemini 3 Pro cheaper than GPT-4o?

Gemini 3 Pro is 1.3x cheaper for input tokens. Gemini 3 Pro costs $2.00/M input and $12.00/M output via google. GPT-4o costs $2.50/M input and $10.00/M output via azure.

What are the context window sizes for Gemini 3 Pro and GPT-4o?

Gemini 3 Pro supports 1.0M tokens and GPT-4o supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between Gemini 3 Pro and GPT-4o?

Key differences include context window (1.0M vs 128K), input pricing ($2.00 vs $2.50/M). See the full comparison above for benchmark-by-benchmark results.

Who makes Gemini 3 Pro and GPT-4o?

Gemini 3 Pro is developed by Google and GPT-4o is developed by OpenAI.