GPT-4o vs o1-mini
GPT-4o significantly outperforms across most benchmarks. GPT-4o is 1.2x cheaper per token.
OpenAI · OpenAI · Updated for 2026
Which is better?
GPT-4o outperforms in 2 benchmarks (GPQA, MMLU), while o1-mini is better at 0 benchmarks. GPT-4o significantly outperforms across most benchmarks.
On price, GPT-4o is roughly 1.2x cheaper per token on a blended 3:1 input/output basis, which adds up quickly at production volume.
Based on current benchmark, pricing, and model metadata for 2026.
Choose GPT-4o
- you want the strongest raw capability — it leads on 2 of 2 shared benchmarks
- cost matters — it's about 1.2x cheaper per token
Choose o1-mini
- you want the most recent training data — it shipped Sep 2024
At a glance
The differences that matter most.
Performance Benchmarks
Comparative analysis across standard metrics
GPT-4o outperforms in 2 benchmarks (GPQA, MMLU), while o1-mini is better at 0 benchmarks.
GPT-4o significantly outperforms across most benchmarks.
Arena Performance
Playground indexes and blind preference scores
Pricing Analysis
Price comparison per million tokens
For input processing, GPT-4o ($2.50/1M tokens) is 1.2x cheaper than o1-mini ($3.00/1M tokens).
For output processing, GPT-4o ($10.00/1M tokens) is 1.2x cheaper than o1-mini ($12.00/1M tokens).
In conclusion, o1-mini is more expensive than GPT-4o.*
* Using a 3:1 ratio of input to output tokens
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 is limited to 16,384 tokens.
Input Capabilities
Supported data types and modalities
GPT-4o supports multimodal inputs, whereas o1-mini does not.
GPT-4o can handle both text and other forms of data like images, making it suitable for multimodal applications.
GPT-4o
o1-mini
License
Usage and distribution terms
Both models are licensed under proprietary licenses.
Both models have usage restrictions defined by their respective organizations.
Proprietary
Closed source
Proprietary
Closed source
Release Timeline
When each model was launched
GPT-4o was released on 2024-08-06, while o1-mini was released on 2024-09-12.
o1-mini is 1 month newer than GPT-4o.
Aug 6, 2024
2.1 years ago
Sep 12, 2024
2.0 years ago
1mo newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
GPT-4o is available from Azure, OpenAI. o1-mini is available from OpenAI, Azure.
GPT-4o
o1-mini
Outputs Comparison
Judge for yourself.
Run your own prompts against GPT-4o and o1-mini side-by-side, then vote on the output you prefer.
FAQ
Common questions about GPT-4o vs o1-mini.