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DeepSeek V2.5 (Revised) vs GPT-3.5

DeepSeek DeepSeek V2.5 (Revised) vs OpenAI GPT-3.5 — side-by-side specs.

DeepSeek
DeepSeek V2.5 (Revised)
OpenAI
GPT-3.5
Overview
CompanyDeepSeekOpenAI
Release dateDec 2024Nov 30 2022
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapGPT-3.5 shipped 732 days before DeepSeek V2.5 (Revised)

Which is better: DeepSeek V2.5 (Revised) or GPT-3.5?

DeepSeek V2.5 (Revised) and GPT-3.5 do not have directly comparable benchmark scores published on GPQA Diamond, SWE-Bench Verified, or MMMU. GPT-3.5 shipped 732 days before DeepSeek V2.5 (Revised), so benchmark comparisons should account for the intervening progress.

DeepSeek V2.5 (Revised) is an open-source / open-weight model; GPT-3.5 is proprietary.

Direct benchmark comparisons are unavailable — at least one of these models has not published scores on GPQA Diamond, SWE-Bench Verified, or MMMU.

Frequently asked questions

When was DeepSeek V2.5 (Revised) released?
DeepSeek V2.5 (Revised) was released by DeepSeek on Dec 2024.
When was GPT-3.5 released?
GPT-3.5 was released by OpenAI on Nov 30 2022.
Is DeepSeek V2.5 (Revised) or GPT-3.5 open source?
DeepSeek V2.5 (Revised) is an open-source / open-weight model released by DeepSeek. GPT-3.5 is a proprietary model released by OpenAI.

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