o1 vs GPT-4 Comparison

Comparing o1 and GPT-4 across benchmarks, pricing, and capabilities.

Performance Benchmarks

Comparative analysis across standard metrics

5 benchmarks

o1 outperforms in 5 benchmarks (GPQA, HumanEval, MATH, MGSM, MMLU), while GPT-4 is better at 0 benchmarks.

o1 significantly outperforms across most benchmarks.

Fri Mar 20 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

o1 costs less

For input processing, o1 ($15.00/1M tokens) is 2.0x cheaper than GPT-4 ($30.00/1M tokens).

For output processing, o1 ($60.00/1M tokens) costs the same as GPT-4 ($60.00/1M tokens).

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

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

Lowest available price from all providers
Fri Mar 20 2026 • llm-stats.com
OpenAI
o1
Input tokens$15.00
Output tokens$60.00
Best providerAzure
OpenAI
GPT-4
Input tokens$30.00
Output tokens$60.00
Best providerAzure
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Context Window

Maximum input and output token capacity

o1 accepts 200,000 input tokens compared to GPT-4's 32,768 tokens. o1 can generate longer responses up to 100,000 tokens, while GPT-4 is limited to 32,768 tokens.

OpenAI
o1
Input200,000 tokens
Output100,000 tokens
OpenAI
GPT-4
Input32,768 tokens
Output32,768 tokens
Fri Mar 20 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

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

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

o1

Text
Images
Audio
Video

GPT-4

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.

o1

Proprietary

Closed source

GPT-4

Proprietary

Closed source

Release Timeline

When each model was launched

o1 was released on 2024-12-17, while GPT-4 was released on 2023-06-13.

o1 is 18 months newer than GPT-4.

o1

Dec 17, 2024

1.3 years ago

1.5yr newer
GPT-4

Jun 13, 2023

2.8 years ago

Knowledge Cutoff

When training data ends

GPT-4 has a documented knowledge cutoff of 2022-12-31, while o1's cutoff date is not specified.

We can confirm GPT-4's training data extends to 2022-12-31, but cannot make a direct comparison without o1's cutoff date.

o1

GPT-4

Dec 2022

Provider Availability

o1 is available from Azure, OpenAI. GPT-4 is available from Azure, OpenAI. The availability of providers can affect quality of the model and reliability.

o1

azure logo
Azure
Input Price:Input: $15.00/1MOutput Price:Output: $60.00/1M
openai logo
OpenAI
Input Price:Input: $15.00/1MOutput Price:Output: $60.00/1M

GPT-4

azure logo
Azure
Input Price:Input: $30.00/1MOutput Price:Output: $60.00/1M
openai logo
OpenAI
Input Price:Input: $30.00/1MOutput Price:Output: $60.00/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Larger context window (200,000 tokens)
Less expensive input tokens
Higher GPQA score (78.0% vs 35.7%)
Higher HumanEval score (88.1% vs 67.0%)
Higher MATH score (96.4% vs 42.0%)
Higher MGSM score (89.3% vs 74.5%)
Higher MMLU score (91.8% vs 86.4%)
Supports multimodal inputs

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
o1
OpenAI
GPT-4