Model Comparison

GPT-4 Turbo vs GPT-4o

GPT-4o significantly outperforms across most benchmarks. GPT-4o is 3.4x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

6 benchmarks

GPT-4 Turbo outperforms in 1 benchmarks (DROP), while GPT-4o is better at 5 benchmarks (GPQA, HumanEval, MATH, MGSM, MMLU).

GPT-4o significantly outperforms across most benchmarks.

Thu Apr 09 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

GPT-4o costs less

For input processing, GPT-4 Turbo ($10.00/1M tokens) is 4.0x more expensive than GPT-4o ($2.50/1M tokens).

For output processing, GPT-4 Turbo ($30.00/1M tokens) is 3.0x more expensive than GPT-4o ($10.00/1M tokens).

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

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

Lowest available price from all providers
Thu Apr 09 2026 • llm-stats.com
OpenAI
GPT-4 Turbo
Input tokens$10.00
Output tokens$30.00
Best providerAzure
OpenAI
GPT-4o
Input tokens$2.50
Output tokens$10.00
Best providerAzure
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. Both models can generate responses up to 4,096 tokens.

OpenAI
GPT-4 Turbo
Input128,000 tokens
Output4,096 tokens
OpenAI
GPT-4o
Input128,000 tokens
Output4,096 tokens
Thu Apr 09 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

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

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

GPT-4 Turbo

Text
Images
Audio
Video

GPT-4o

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-4 Turbo

Proprietary

Closed source

GPT-4o

Proprietary

Closed source

Release Timeline

When each model was launched

GPT-4 Turbo was released on 2024-04-09, while GPT-4o was released on 2024-05-13.

GPT-4o is 1 month newer than GPT-4 Turbo.

GPT-4 Turbo

Apr 9, 2024

2.0 years ago

GPT-4o

May 13, 2024

1.9 years ago

1mo newer

Knowledge Cutoff

When training data ends

GPT-4 Turbo has a documented knowledge cutoff of 2023-12-31, while GPT-4o's cutoff date is not specified.

We can confirm GPT-4 Turbo's training data extends to 2023-12-31, but cannot make a direct comparison without GPT-4o's cutoff date.

GPT-4 Turbo

Dec 2023

GPT-4o

—

Provider Availability

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

GPT-4 Turbo

azure logo
Azure
Input Price:Input: $10.00/1MOutput Price:Output: $30.00/1M
openai logo
OpenAI
Input Price:Input: $10.00/1MOutput Price:Output: $30.00/1M

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
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

OpenAI
Higher DROP score (86.0% vs 83.4%)
OpenAI
Supports multimodal inputs
Less expensive input tokens
Less expensive output tokens
Higher GPQA score (53.6% vs 48.0%)
Higher HumanEval score (90.2% vs 87.1%)
Higher MATH score (76.6% vs 72.6%)
Higher MGSM score (90.5% vs 88.5%)
Higher MMLU score (88.7% vs 86.5%)
OpenAIGPT-4 Turbo
OpenAIGPT-4o
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Detailed Comparison

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

FAQ

Common questions about GPT-4 Turbo vs GPT-4o

GPT-4o significantly outperforms across most benchmarks. GPT-4 Turbo is made by OpenAI and GPT-4o is made by OpenAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
GPT-4 Turbo scores MGSM: 88.5%, HumanEval: 87.1%, MMLU: 86.5%, DROP: 86.0%, MATH: 72.6%. GPT-4o scores MGSM: 90.5%, HumanEval: 90.2%, MMLU: 88.7%, DROP: 83.4%, MATH: 76.6%.
GPT-4o is 4.0x cheaper for input tokens. GPT-4 Turbo costs $10.00/M input and $30.00/M output via azure. GPT-4o costs $2.50/M input and $10.00/M output via azure.
GPT-4 Turbo supports 128K tokens and GPT-4o supports 128K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include input pricing ($10.00 vs $2.50/M), multimodal support (no vs yes). See the full comparison above for benchmark-by-benchmark results.