GPT-4 Turbo vs DeepSeek-V2.5 Comparison

Comparing GPT-4 Turbo and DeepSeek-V2.5 across benchmarks, pricing, and capabilities.

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Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

GPT-4 Turbo outperforms in 1 benchmarks (MMLU), while DeepSeek-V2.5 is better at 2 benchmarks (HumanEval, MATH).

DeepSeek-V2.5 shows notably better performance in the majority of benchmarks.

Wed Mar 18 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

DeepSeek-V2.5 costs less

For input processing, GPT-4 Turbo ($10.00/1M tokens) is 71.4x more expensive than DeepSeek-V2.5 ($0.14/1M tokens).

For output processing, GPT-4 Turbo ($30.00/1M tokens) is 107.1x more expensive than DeepSeek-V2.5 ($0.28/1M tokens).

In conclusion, GPT-4 Turbo is more expensive than DeepSeek-V2.5.*

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

Lowest available price from all providers

Wed Mar 18 2026 • llm-stats.com

GPT-4 Turbo

Input tokens$10.00

Output tokens$30.00

Best providerAzure

DeepSeek-V2.5

Input tokens$0.14

Output tokens$0.28

Best providerDeepSeek

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Context Window

Maximum input and output token capacity

GPT-4 Turbo accepts 128,000 input tokens compared to DeepSeek-V2.5's 8,192 tokens. DeepSeek-V2.5 can generate longer responses up to 8,192 tokens, while GPT-4 Turbo is limited to 4,096 tokens.

GPT-4 Turbo

Input128,000 tokens

Output4,096 tokens

DeepSeek-V2.5

Input8,192 tokens

Output8,192 tokens

Wed Mar 18 2026 • llm-stats.com

License

Usage and distribution terms

GPT-4 Turbo is licensed under a proprietary license, while DeepSeek-V2.5 uses deepseek.

License differences may affect how you can use these models in commercial or open-source projects.

GPT-4 Turbo

Proprietary

Closed source

DeepSeek-V2.5

deepseek

Open weights

Release Timeline

When each model was launched

GPT-4 Turbo was released on 2024-04-09, while DeepSeek-V2.5 was released on 2024-05-08.

DeepSeek-V2.5 is 1 month newer than GPT-4 Turbo.

GPT-4 Turbo

Apr 9, 2024

1.9 years ago

DeepSeek-V2.5

May 8, 2024

1.9 years ago

4w newer

Knowledge Cutoff

When training data ends

GPT-4 Turbo has a documented knowledge cutoff of 2023-12-31, while DeepSeek-V2.5'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 DeepSeek-V2.5's cutoff date.

GPT-4 Turbo

Dec 2023

DeepSeek-V2.5

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Provider Availability

GPT-4 Turbo is available from Azure, OpenAI. DeepSeek-V2.5 is available from DeepSeek, DeepInfra, Hyperbolic. The availability of providers can affect quality of the model and reliability.