Model Comparison

GPT-4o mini vs o1-miniWhich is better in 2026?

o1-mini significantly outperforms across most benchmarks. GPT-4o mini is 20.0x cheaper per token.

Verdict: GPT-4o mini vs o1-mini — which is better?

GPT-4o mini (by OpenAI) and o1-mini (by OpenAI) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

GPT-4o mini outperforms in 0 benchmarks, while o1-mini is better at 3 benchmarks (GPQA, HumanEval, MMLU). o1-mini significantly outperforms across most benchmarks.

On price, GPT-4o mini is roughly 20.0x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.

Choose GPT-4o mini if…

  • cost matters — it's about 20.0x cheaper per token

Choose o1-mini if…

  • you want the strongest raw capability — it leads on 3 of 3 shared benchmarks
  • you want the most recent training data — it shipped Sep 2024

Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

GPT-4o mini outperforms in 0 benchmarks, while o1-mini is better at 3 benchmarks (GPQA, HumanEval, MMLU).

o1-mini significantly outperforms across most benchmarks.

Tue Aug 04 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 20.0x cheaper than o1-mini ($3.00/1M tokens).

For output processing, GPT-4o mini ($0.60/1M tokens) is 20.0x cheaper than o1-mini ($12.00/1M tokens).

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

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

Lowest available price from all providers
Tue Aug 04 2026 • llm-stats.com
OpenAI
GPT-4o mini
Input tokens$0.15
Output tokens$0.60
Best providerAzure
OpenAI
o1-mini
Input tokens$3.00
Output tokens$12.00
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-mini can generate longer responses up to 65,536 tokens, while GPT-4o mini is limited to 16,384 tokens.

OpenAI
GPT-4o mini
Input128,000 tokens
Output16,384 tokens
OpenAI
o1-mini
Input128,000 tokens
Output65,536 tokens
Tue Aug 04 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

GPT-4o mini supports multimodal inputs, whereas o1-mini 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-mini

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-mini

Proprietary

Closed source

Release Timeline

When each model was launched

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

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

GPT-4o mini

Jul 18, 2024

2.0 years ago

o1-mini

Sep 12, 2024

1.9 years ago

1mo newer

Knowledge Cutoff

When training data ends

GPT-4o mini has a documented knowledge cutoff of 2023-10-01, while o1-mini'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-mini's cutoff date.

GPT-4o mini

Oct 2023

o1-mini

Provider Availability

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

GPT-4o mini

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

o1-mini

openai logo
OpenAI
Input Price:Input: $3.00/1MOutput Price:Output: $12.00/1M
azure logo
Azure
Input Price:Input: $3.30/1MOutput Price:Output: $13.20/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Key Takeaways

Supports multimodal inputs
Less expensive input tokens
Less expensive output tokens
Higher GPQA score (60.0% vs 40.2%)
Higher HumanEval score (92.4% vs 87.2%)
Higher MMLU score (85.2% vs 82.0%)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against GPT-4o mini and o1-mini side-by-side, then vote on the output you prefer.

GPT-4o mini
✓ Preferred
o1-mini
Open in Playground
AI Model Comparison Table
Feature
OpenAI
GPT-4o mini
OpenAI
o1-mini

FAQ

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

Which is better, GPT-4o mini or o1-mini?

o1-mini significantly outperforms across most benchmarks. GPT-4o mini is made by OpenAI and o1-mini is made by OpenAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does GPT-4o mini compare to o1-mini in benchmarks?

GPT-4o mini scores HumanEval: 87.2%, MGSM: 87.0%, MMLU: 82.0%, DROP: 79.7%, MATH: 70.2%. o1-mini scores HumanEval: 92.4%, MATH-500: 90.0%, MMLU: 85.2%, SuperGLUE: 75.0%, GPQA: 60.0%.

Is GPT-4o mini cheaper than o1-mini?

GPT-4o mini is 20.0x cheaper for input tokens. GPT-4o mini costs $0.15/M input and $0.60/M output via azure. o1-mini costs $3.00/M input and $12.00/M output via openai.

What are the context window sizes for GPT-4o mini and o1-mini?

GPT-4o mini supports 128K tokens and o1-mini supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GPT-4o mini and o1-mini?

Key differences include input pricing ($0.15 vs $3.00/M), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.