Model Comparison

GPT-4o mini vs Gemini 1.5 Pro

Gemini 1.5 Pro shows notably better performance in the majority of benchmarks. GPT-4o mini is 16.7x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

8 benchmarks

GPT-4o mini outperforms in 2 benchmarks (DROP, HumanEval), while Gemini 1.5 Pro is better at 6 benchmarks (GPQA, MATH, MathVista, MGSM, MMLU, MMMU).

Gemini 1.5 Pro shows notably better performance in the majority of benchmarks.

Fri Apr 03 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

GPT-4o mini costs less

For input processing, GPT-4o mini ($0.15/1M tokens) is 16.7x cheaper than Gemini 1.5 Pro ($2.50/1M tokens).

For output processing, GPT-4o mini ($0.60/1M tokens) is 16.7x cheaper than Gemini 1.5 Pro ($10.00/1M tokens).

In conclusion, Gemini 1.5 Pro is more expensive than GPT-4o mini.*

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

Lowest available price from all providers
Fri Apr 03 2026 • llm-stats.com
OpenAI
GPT-4o mini
Input tokens$0.15
Output tokens$0.60
Best providerAzure
Google
Gemini 1.5 Pro
Input tokens$2.50
Output tokens$10.00
Best providerGoogle
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Gemini 1.5 Pro accepts 2,097,152 input tokens compared to GPT-4o mini's 128,000 tokens. GPT-4o mini can generate longer responses up to 16,384 tokens, while Gemini 1.5 Pro is limited to 8,192 tokens.

OpenAI
GPT-4o mini
Input128,000 tokens
Output16,384 tokens
Google
Gemini 1.5 Pro
Input2,097,152 tokens
Output8,192 tokens
Fri Apr 03 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Both GPT-4o mini and Gemini 1.5 Pro support multimodal inputs.

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

GPT-4o mini

Text
Images
Audio
Video

Gemini 1.5 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-4o mini

Proprietary

Closed source

Gemini 1.5 Pro

Proprietary

Closed source

Release Timeline

When each model was launched

GPT-4o mini was released on 2024-07-18, while Gemini 1.5 Pro was released on 2024-05-01.

GPT-4o mini is 3 months newer than Gemini 1.5 Pro.

GPT-4o mini

Jul 18, 2024

1.7 years ago

2mo newer
Gemini 1.5 Pro

May 1, 2024

1.9 years ago

Knowledge Cutoff

When training data ends

GPT-4o mini has a knowledge cutoff of 2023-10-01, while Gemini 1.5 Pro has a cutoff of 2023-11-01.

Gemini 1.5 Pro has more recent training data (up to 2023-11-01), making it potentially better informed about events through that date compared to GPT-4o mini (2023-10-01).

GPT-4o mini

Oct 2023

Gemini 1.5 Pro

Nov 2023

1 mo newer

Provider Availability

GPT-4o mini is available from Azure. Gemini 1.5 Pro is available from Google.

GPT-4o mini

azure logo
Azure
Input Price:Input: $0.15/1MOutput Price:Output: $0.60/1M

Gemini 1.5 Pro

google logo
Google
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

OpenAI
Less expensive input tokens
Less expensive output tokens
Higher DROP score (79.7% vs 74.9%)
Higher HumanEval score (87.2% vs 84.1%)
Google
Larger context window (2,097,152 tokens)
Higher GPQA score (59.1% vs 40.2%)
Higher MATH score (86.5% vs 70.2%)
Higher MathVista score (68.1% vs 56.7%)
Higher MGSM score (87.5% vs 87.0%)
Higher MMLU score (85.9% vs 82.0%)
Higher MMMU score (65.9% vs 59.4%)

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-4o mini
Google
Gemini 1.5 Pro

FAQ

Common questions about GPT-4o mini vs Gemini 1.5 Pro

Gemini 1.5 Pro shows notably better performance in the majority of benchmarks. GPT-4o mini is made by OpenAI and Gemini 1.5 Pro is made by Google. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
GPT-4o mini scores HumanEval: 87.2%, MGSM: 87.0%, MMLU: 82.0%, DROP: 79.7%, MATH: 70.2%. Gemini 1.5 Pro scores XSTest: 98.8%, HellaSwag: 93.3%, GSM8k: 90.8%, BIG-Bench Hard: 89.2%, MGSM: 87.5%.
GPT-4o mini is 16.7x cheaper for input tokens. GPT-4o mini costs $0.15/M input and $0.60/M output via azure. Gemini 1.5 Pro costs $2.50/M input and $10.00/M output via google.
GPT-4o mini supports 128K tokens and Gemini 1.5 Pro supports 2.1M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (128K vs 2.1M), input pricing ($0.15 vs $2.50/M). See the full comparison above for benchmark-by-benchmark results.
GPT-4o mini is developed by OpenAI and Gemini 1.5 Pro is developed by Google.