Model Comparison
GPT-4 Turbo vs GPT-5
GPT-5 significantly outperforms across most benchmarks. GPT-5 is 4.4x cheaper per token.
Performance Benchmarks
Comparative analysis across standard metrics
GPT-4 Turbo outperforms in 0 benchmarks, while GPT-5 is better at 4 benchmarks (GPQA, HumanEval, MATH, MMLU).
GPT-5 significantly outperforms across most benchmarks.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, GPT-4 Turbo ($10.00/1M tokens) is 8.0x more expensive than GPT-5 ($1.25/1M tokens).
For output processing, GPT-4 Turbo ($30.00/1M tokens) is 3.0x more expensive than GPT-5 ($10.00/1M tokens).
In conclusion, GPT-4 Turbo is more expensive than GPT-5.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
GPT-5 accepts 400,000 input tokens compared to GPT-4 Turbo's 128,000 tokens. GPT-5 can generate longer responses up to 128,000 tokens, while GPT-4 Turbo is limited to 4,096 tokens.
Input Capabilities
Supported data types and modalities
GPT-5 supports multimodal inputs, whereas GPT-4 Turbo does not.
GPT-5 can handle both text and other forms of data like images, making it suitable for multimodal applications.
GPT-4 Turbo
GPT-5
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-4 Turbo was released on 2024-04-09, while GPT-5 was released on 2025-08-07.
GPT-5 is 16 months newer than GPT-4 Turbo.
Apr 9, 2024
2.1 years ago
Aug 7, 2025
9 months ago
1.3yr newerKnowledge Cutoff
When training data ends
GPT-4 Turbo has a knowledge cutoff of 2023-12-31, while GPT-5 has a cutoff of 2024-09-30.
GPT-5 has more recent training data (up to 2024-09-30), making it potentially better informed about events through that date compared to GPT-4 Turbo (2023-12-31).
Dec 2023
Sep 2024
9 mo newerProvider Availability
GPT-4 Turbo is available from Azure, OpenAI. GPT-5 is available from OpenAI.
GPT-4 Turbo
GPT-5
Outputs Comparison
Key Takeaways
GPT-4 Turbo
View detailsOpenAI
No standout differentiators in the data we have for this pair.
GPT-5
View detailsOpenAI
Detailed Comparison
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FAQ
Common questions about GPT-4 Turbo vs GPT-5.