Model Comparison

GPT-4o mini vs o1-preview

o1-preview significantly outperforms across most benchmarks. GPT-4o mini is 100.0x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

5 benchmarks

GPT-4o mini outperforms in 0 benchmarks, while o1-preview is better at 5 benchmarks (GPQA, MATH, MGSM, MMLU, SWE-Bench Verified).

o1-preview significantly outperforms across most benchmarks.

Sun Apr 05 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 100.0x cheaper than o1-preview ($15.00/1M tokens).

For output processing, GPT-4o mini ($0.60/1M tokens) is 100.0x cheaper than o1-preview ($60.00/1M tokens).

In conclusion, o1-preview is more expensive than GPT-4o mini.*

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

Lowest available price from all providers
Sun Apr 05 2026 • llm-stats.com
OpenAI
GPT-4o mini
Input tokens$0.15
Output tokens$0.60
Best providerAzure
OpenAI
o1-preview
Input tokens$15.00
Output tokens$60.00
Best providerOpenAI
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

Both models have the same input context window of 128,000 tokens. o1-preview can generate longer responses up to 32,768 tokens, while GPT-4o mini is limited to 16,384 tokens.

OpenAI
GPT-4o mini
Input128,000 tokens
Output16,384 tokens
OpenAI
o1-preview
Input128,000 tokens
Output32,768 tokens
Sun Apr 05 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

GPT-4o mini supports multimodal inputs, whereas o1-preview does not.

GPT-4o mini can handle both text and other forms of data like images, making it suitable for multimodal applications.

GPT-4o mini

Text
Images
Audio
Video

o1-preview

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

o1-preview

Proprietary

Closed source

Release Timeline

When each model was launched

GPT-4o mini was released on 2024-07-18, while o1-preview was released on 2024-09-12.

o1-preview is 2 months newer than GPT-4o mini.

GPT-4o mini

Jul 18, 2024

1.7 years ago

o1-preview

Sep 12, 2024

1.6 years ago

1mo newer

Knowledge Cutoff

When training data ends

GPT-4o mini has a documented knowledge cutoff of 2023-10-01, while o1-preview's cutoff date is not specified.

We can confirm GPT-4o mini's training data extends to 2023-10-01, but cannot make a direct comparison without o1-preview's cutoff date.

GPT-4o mini

Oct 2023

o1-preview

—

Provider Availability

GPT-4o mini is available from Azure. o1-preview is available from OpenAI, Azure.

GPT-4o mini

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

o1-preview

openai logo
OpenAI
Input Price:Input: $15.00/1MOutput Price:Output: $60.00/1M
azure logo
Azure
Input Price:Input: $16.50/1MOutput Price:Output: $66.00/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

OpenAI
Supports multimodal inputs
Less expensive input tokens
Less expensive output tokens
OpenAI
Higher GPQA score (73.3% vs 40.2%)
Higher MATH score (85.5% vs 70.2%)
Higher MGSM score (90.8% vs 87.0%)
Higher MMLU score (90.8% vs 82.0%)
Higher SWE-Bench Verified score (41.3% vs 8.7%)

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
GPT-4o mini
OpenAI
o1-preview

FAQ

Common questions about GPT-4o mini vs o1-preview

o1-preview significantly outperforms across most benchmarks. GPT-4o mini is made by OpenAI and o1-preview is made by OpenAI. 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%. o1-preview scores MGSM: 90.8%, MMLU: 90.8%, MATH: 85.5%, GPQA: 73.3%, LiveBench: 52.3%.
GPT-4o mini is 100.0x cheaper for input tokens. GPT-4o mini costs $0.15/M input and $0.60/M output via azure. o1-preview costs $15.00/M input and $60.00/M output via openai.
GPT-4o mini supports 128K tokens and o1-preview supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include input pricing ($0.15 vs $15.00/M), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.