Model Comparison

GPT-4o vs o1

o1 significantly outperforms across most benchmarks. GPT-4o is 6.0x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

10 benchmarks

GPT-4o outperforms in 0 benchmarks, while o1 is better at 10 benchmarks (AIME 2024, GPQA, MathVista, MMLU, MMMLU, MMMU, SimpleQA, SWE-Bench Verified, TAU-bench Airline, TAU-bench Retail).

o1 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 costs less

For input processing, GPT-4o ($2.50/1M tokens) is 6.0x cheaper than o1 ($15.00/1M tokens).

For output processing, GPT-4o ($10.00/1M tokens) is 6.0x cheaper than o1 ($60.00/1M tokens).

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

* 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
Input tokens$2.50
Output tokens$10.00
Best providerAzure
OpenAI
o1
Input tokens$15.00
Output tokens$60.00
Best providerAzure
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

o1 accepts 200,000 input tokens compared to GPT-4o's 128,000 tokens. o1 can generate longer responses up to 100,000 tokens, while GPT-4o is limited to 16,384 tokens.

OpenAI
GPT-4o
Input128,000 tokens
Output16,384 tokens
OpenAI
o1
Input200,000 tokens
Output100,000 tokens
Sun Apr 05 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

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

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

GPT-4o

Text
Images
Audio
Video

o1

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

Proprietary

Closed source

o1

Proprietary

Closed source

Release Timeline

When each model was launched

GPT-4o was released on 2024-08-06, while o1 was released on 2024-12-17.

o1 is 4 months newer than GPT-4o.

GPT-4o

Aug 6, 2024

1.7 years ago

o1

Dec 17, 2024

1.3 years ago

4mo newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

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

GPT-4o

azure logo
Azure
Input Price:Input: $2.50/1MOutput Price:Output: $10.00/1M
openai logo
OpenAI
Input Price:Input: $2.50/1MOutput Price:Output: $10.00/1M

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
* 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
Larger context window (200,000 tokens)
Higher AIME 2024 score (74.3% vs 13.1%)
Higher GPQA score (78.0% vs 70.1%)
Higher MathVista score (71.8% vs 61.4%)
Higher MMLU score (91.8% vs 85.7%)
Higher MMMLU score (87.7% vs 81.4%)
Higher MMMU score (77.6% vs 72.2%)
Higher SimpleQA score (47.0% vs 38.2%)
Higher SWE-Bench Verified score (41.0% vs 33.2%)
Higher TAU-bench Airline score (50.0% vs 42.8%)
Higher TAU-bench Retail score (70.8% vs 60.3%)

Detailed Comparison

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

FAQ

Common questions about GPT-4o vs o1

o1 significantly outperforms across most benchmarks. GPT-4o is made by OpenAI and o1 is made by OpenAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
GPT-4o scores AI2D: 94.2%, DocVQA: 92.8%, ChartQA: 85.7%, MMLU: 85.7%, CharXiv-D: 85.3%. o1 scores GSM8k: 97.1%, MATH: 96.4%, GPQA Physics: 92.8%, MMLU: 91.8%, MGSM: 89.3%.
GPT-4o is 6.0x cheaper for input tokens. GPT-4o costs $2.50/M input and $10.00/M output via azure. o1 costs $15.00/M input and $60.00/M output via azure.
GPT-4o supports 128K tokens and o1 supports 200K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (128K vs 200K), input pricing ($2.50 vs $15.00/M), multimodal support (yes vs no). See the full comparison above for benchmark-by-benchmark results.