o1 vs o3-mini Comparison

Comparing o1 and o3-mini across benchmarks, pricing, and capabilities.

Performance Benchmarks

Comparative analysis across standard metrics

11 benchmarks

o1 outperforms in 5 benchmarks (GPQA, MMLU, SimpleQA, TAU-bench Airline, TAU-bench Retail), while o3-mini is better at 6 benchmarks (AIME 2024, FrontierMath, LiveBench, MATH, MGSM, SWE-Bench Verified).

o3-mini has a slight edge in benchmark performance.

Sun Mar 15 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

o3-mini costs less

For input processing, o1 ($15.00/1M tokens) is 13.6x more expensive than o3-mini ($1.10/1M tokens).

For output processing, o1 ($60.00/1M tokens) is 13.6x more expensive than o3-mini ($4.40/1M tokens).

In conclusion, o1 is more expensive than o3-mini.*

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

Lowest available price from all providers
Sun Mar 15 2026 • llm-stats.com
OpenAI
o1
Input tokens$15.00
Output tokens$60.00
Best providerAzure
OpenAI
o3-mini
Input tokens$1.10
Output tokens$4.40
Best providerAzure
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Context Window

Maximum input and output token capacity

Both models have the same input context window of 200,000 tokens. Both models can generate responses up to 100,000 tokens.

OpenAI
o1
Input200,000 tokens
Output100,000 tokens
OpenAI
o3-mini
Input200,000 tokens
Output100,000 tokens
Sun Mar 15 2026 • llm-stats.com

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

o3-mini

Proprietary

Closed source

Release Timeline

When each model was launched

o1 was released on 2024-12-17, while o3-mini was released on 2025-01-30.

o3-mini is 1 month newer than o1.

o1

Dec 17, 2024

1.2 years ago

o3-mini

Jan 30, 2025

1.1 years ago

1mo newer

Knowledge Cutoff

When training data ends

o3-mini has a documented knowledge cutoff of 2023-09-30, while o1's cutoff date is not specified.

We can confirm o3-mini's training data extends to 2023-09-30, but cannot make a direct comparison without o1's cutoff date.

o1

o3-mini

Sep 2023

Provider Availability

o1 is available from Azure, OpenAI. o3-mini 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

o3-mini

azure logo
Azure
Input Price:Input: $1.10/1MOutput Price:Output: $4.40/1M
openai logo
OpenAI
Input Price:Input: $1.10/1MOutput Price:Output: $4.40/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

Higher GPQA score (78.0% vs 77.2%)
Higher MMLU score (91.8% vs 86.9%)
Higher SimpleQA score (47.0% vs 15.0%)
Higher TAU-bench Airline score (50.0% vs 32.4%)
Higher TAU-bench Retail score (70.8% vs 57.6%)
Less expensive input tokens
Less expensive output tokens
Higher AIME 2024 score (87.3% vs 74.3%)
Higher FrontierMath score (9.2% vs 5.5%)
Higher LiveBench score (84.6% vs 67.0%)
Higher MATH score (97.9% vs 96.4%)
Higher MGSM score (92.0% vs 89.3%)
Higher SWE-Bench Verified score (49.3% vs 41.0%)

Detailed Comparison

AI Model Comparison Table
Feature
OpenAI
o1
OpenAI
o3-mini