DeepSeek-V3 0324 vs GPT-5.1 Medium Comparison
Comparing DeepSeek-V3 0324 and GPT-5.1 Medium across benchmarks, pricing, and capabilities.
Performance Benchmarks
Comparative analysis across standard metrics
DeepSeek-V3 0324 and GPT-5.1 Medium don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.
Arena Performance
Human preference votes
Pricing Analysis
Price comparison per million tokens
For input processing, DeepSeek-V3 0324 ($0.28/1M tokens) is 4.5x cheaper than GPT-5.1 Medium ($1.25/1M tokens).
For output processing, DeepSeek-V3 0324 ($1.14/1M tokens) is 8.8x cheaper than GPT-5.1 Medium ($10.00/1M tokens).
In conclusion, GPT-5.1 Medium is more expensive than DeepSeek-V3 0324.*
* Using a 3:1 ratio of input to output tokens
Context Window
Maximum input and output token capacity
GPT-5.1 Medium accepts 400,000 input tokens compared to DeepSeek-V3 0324's 163,840 tokens. DeepSeek-V3 0324 can generate longer responses up to 163,840 tokens, while GPT-5.1 Medium is limited to 128,000 tokens.
Input Capabilities
Supported data types and modalities
GPT-5.1 Medium supports multimodal inputs, whereas DeepSeek-V3 0324 does not.
GPT-5.1 Medium can handle both text and other forms of data like images, making it suitable for multimodal applications.
DeepSeek-V3 0324
GPT-5.1 Medium
License
Usage and distribution terms
DeepSeek-V3 0324 is licensed under MIT + Model License (Commercial use allowed), while GPT-5.1 Medium uses a proprietary license.
License differences may affect how you can use these models in commercial or open-source projects.
MIT + Model License (Commercial use allowed)
Open weights
Proprietary
Closed source
Release Timeline
When each model was launched
DeepSeek-V3 0324 was released on 2025-03-25, while GPT-5.1 Medium was released on 2025-11-12.
GPT-5.1 Medium is 8 months newer than DeepSeek-V3 0324.
Mar 25, 2025
11 months ago
Nov 12, 2025
4 months ago
7mo newerKnowledge Cutoff
When training data ends
Neither model specifies a knowledge cutoff date.
Unable to compare the recency of their training data.
Provider Availability
DeepSeek-V3 0324 is available from Novita. GPT-5.1 Medium is available from OpenAI. The availability of providers can affect quality of the model and reliability.
DeepSeek-V3 0324
GPT-5.1 Medium
Outputs Comparison
Key Takeaways
DeepSeek-V3 0324
View detailsDeepSeek
Detailed Comparison
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