GPT-5.4 vs Gemini 3 Pro Comparison

Comparing GPT-5.4 and Gemini 3 Pro across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

6 benchmarks

GPT-5.4 outperforms in 5 benchmarks (ARC-AGI v2, GPQA, MMMU-Pro, OmniDocBench 1.5, Terminal-Bench 2.0), while Gemini 3 Pro is better at 1 benchmark (Humanity's Last Exam).

GPT-5.4 significantly outperforms across most benchmarks.

Tue Mar 17 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

Gemini 3 Pro costs less

For input processing, GPT-5.4 ($2.50/1M tokens) is 1.3x more expensive than Gemini 3 Pro ($2.00/1M tokens).

For output processing, GPT-5.4 ($15.00/1M tokens) is 1.3x more expensive than Gemini 3 Pro ($12.00/1M tokens).

In conclusion, GPT-5.4 is more expensive than Gemini 3 Pro.*

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

Lowest available price from all providers
Tue Mar 17 2026 • llm-stats.com
OpenAI
GPT-5.4
Input tokens$2.50
Output tokens$15.00
Best providerOpenAI
Google
Gemini 3 Pro
Input tokens$2.00
Output tokens$12.00
Best providerGoogle
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Context Window

Maximum input and output token capacity

Gemini 3 Pro accepts 1,048,576 input tokens compared to GPT-5.4's 1,000,000 tokens. GPT-5.4 can generate longer responses up to 128,000 tokens, while Gemini 3 Pro is limited to 65,536 tokens.

OpenAI
GPT-5.4
Input1,000,000 tokens
Output128,000 tokens
Google
Gemini 3 Pro
Input1,048,576 tokens
Output65,536 tokens
Tue Mar 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both GPT-5.4 and Gemini 3 Pro support multimodal inputs.

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

GPT-5.4

Text
Images
Audio
Video

Gemini 3 Pro

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.

GPT-5.4

Proprietary

Closed source

Gemini 3 Pro

Proprietary

Closed source

Release Timeline

When each model was launched

GPT-5.4 was released on 2026-03-05, while Gemini 3 Pro was released on 2025-11-18.

GPT-5.4 is 4 months newer than Gemini 3 Pro.

GPT-5.4

Mar 5, 2026

1 weeks ago

3mo newer
Gemini 3 Pro

Nov 18, 2025

3 months ago

Knowledge Cutoff

When training data ends

Gemini 3 Pro has a documented knowledge cutoff of 2025-01-31, while GPT-5.4'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-5.4's cutoff date.

GPT-5.4

—

Gemini 3 Pro

Jan 2025

Provider Availability

GPT-5.4 is available from OpenAI. Gemini 3 Pro is available from Google. The availability of providers can affect quality of the model and reliability.

GPT-5.4

openai logo
OpenAI
Input Price:Input: $2.50/1MOutput Price:Output: $15.00/1M

Gemini 3 Pro

google logo
Google
Input Price:Input: $2.00/1MOutput Price:Output: $12.00/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

OpenAI
Higher ARC-AGI v2 score (73.3% vs 31.1%)
Higher GPQA score (92.8% vs 91.9%)
Higher MMMU-Pro score (81.2% vs 81.0%)
Higher OmniDocBench 1.5 score (89.1% vs 11.5%)
Higher Terminal-Bench 2.0 score (75.1% vs 54.2%)
Google
Larger context window (1,048,576 tokens)
Less expensive input tokens
Less expensive output tokens
Higher Humanity's Last Exam score (45.8% vs 39.8%)

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-5.4
Google
Gemini 3 Pro