Model Comparison

Gemini 3 Pro vs GPT-5.2

GPT-5.2 has a slight edge in benchmark performance. Gemini 3 Pro is 1.1x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

10 benchmarks

Gemini 3 Pro outperforms in 4 benchmarks (Humanity's Last Exam, MMMLU, MMMU-Pro, VideoMMMU), while GPT-5.2 is better at 5 benchmarks (ARC-AGI v2, CharXiv-R, GPQA, ScreenSpot Pro, SWE-Bench Verified).

GPT-5.2 has a slight edge in benchmark performance.

Mon Apr 06 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Gemini 3 Pro costs less

For input processing, Gemini 3 Pro ($2.00/1M tokens) is 1.1x more expensive than GPT-5.2 ($1.75/1M tokens).

For output processing, Gemini 3 Pro ($12.00/1M tokens) is 1.2x cheaper than GPT-5.2 ($14.00/1M tokens).

In conclusion, GPT-5.2 is more expensive than Gemini 3 Pro.*

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

Lowest available price from all providers
Mon Apr 06 2026 • llm-stats.com
Google
Gemini 3 Pro
Input tokens$2.00
Output tokens$12.00
Best providerGoogle
OpenAI
GPT-5.2
Input tokens$1.75
Output tokens$14.00
Best providerOpenAI
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-5.2's 400,000 tokens. GPT-5.2 can generate longer responses up to 128,000 tokens, while Gemini 3 Pro is limited to 65,536 tokens.

Google
Gemini 3 Pro
Input1,048,576 tokens
Output65,536 tokens
OpenAI
GPT-5.2
Input400,000 tokens
Output128,000 tokens
Mon Apr 06 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both Gemini 3 Pro and GPT-5.2 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-5.2

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-5.2

Proprietary

Closed source

Release Timeline

When each model was launched

Gemini 3 Pro was released on 2025-11-18, while GPT-5.2 was released on 2025-12-11.

GPT-5.2 is 1 month newer than Gemini 3 Pro.

Gemini 3 Pro

Nov 18, 2025

4 months ago

GPT-5.2

Dec 11, 2025

3 months ago

3w newer

Knowledge Cutoff

When training data ends

Gemini 3 Pro has a knowledge cutoff of 2025-01-31, while GPT-5.2 has a cutoff of 2025-08-25.

GPT-5.2 has more recent training data (up to 2025-08-25), making it potentially better informed about events through that date compared to Gemini 3 Pro (2025-01-31).

Gemini 3 Pro

Jan 2025

GPT-5.2

Aug 2025

7 mo newer

Provider Availability

Gemini 3 Pro is available from Google. GPT-5.2 is available from OpenAI.

Gemini 3 Pro

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

GPT-5.2

openai logo
OpenAI
Input Price:Input: $1.75/1MOutput Price:Output: $14.00/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Google
Larger context window (1,048,576 tokens)
Less expensive output tokens
Higher Humanity's Last Exam score (45.8% vs 34.5%)
Higher MMMLU score (91.8% vs 89.6%)
Higher MMMU-Pro score (81.0% vs 79.5%)
Higher VideoMMMU score (87.6% vs 85.9%)
OpenAI
Less expensive input tokens
Higher ARC-AGI v2 score (52.9% vs 31.1%)
Higher CharXiv-R score (82.1% vs 81.4%)
Higher GPQA score (92.4% vs 91.9%)
Higher ScreenSpot Pro score (86.3% vs 72.7%)
Higher SWE-Bench Verified score (80.0% vs 76.2%)

Detailed Comparison

AI Model Comparison Table
Feature
Google
Gemini 3 Pro
OpenAI
GPT-5.2

FAQ

Common questions about Gemini 3 Pro vs GPT-5.2

GPT-5.2 has a slight edge in benchmark performance. Gemini 3 Pro is made by Google and GPT-5.2 is made by OpenAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
Gemini 3 Pro scores AIME 2025: 100.0%, Vending-Bench 2: 100.0%, Global PIQA: 93.4%, GPQA: 91.9%, MMMLU: 91.8%. GPT-5.2 scores AIME 2025: 100.0%, HMMT 2025: 99.4%, Tau2 Telecom: 98.7%, Graphwalks BFS <128k: 94.0%, GPQA: 92.4%.
GPT-5.2 is 1.1x cheaper for input tokens. Gemini 3 Pro costs $2.00/M input and $12.00/M output via google. GPT-5.2 costs $1.75/M input and $14.00/M output via openai.
Gemini 3 Pro supports 1.0M tokens and GPT-5.2 supports 400K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (1.0M vs 400K), input pricing ($2.00 vs $1.75/M). See the full comparison above for benchmark-by-benchmark results.
Gemini 3 Pro is developed by Google and GPT-5.2 is developed by OpenAI.