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DeepSeek-Math vs GPT-5.4

0 vs 1 benchmarks won

DeepSeek
DeepSeek-Math
OpenAI
GPT-5.4
Overview
CompanyDeepSeekOpenAI
Release dateApr 3 2024Mar 5 2026
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
92.8%
Software engineering
SWE-Bench Verified
Multimodal understanding
MMMU
Timeline
Release gapDeepSeek-Math shipped 701 days before GPT-5.4

Which is better: DeepSeek-Math or GPT-5.4?

GPT-5.4 leads DeepSeek-Math on 1 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). DeepSeek-Math shipped 701 days before GPT-5.4, so benchmark comparisons should account for the intervening progress.

DeepSeek-Math is an open-source / open-weight model; GPT-5.4 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-Math released?
DeepSeek-Math was released by DeepSeek on Apr 3 2024.
When was GPT-5.4 released?
GPT-5.4 was released by OpenAI on Mar 5 2026.
Is DeepSeek-Math or GPT-5.4 open source?
DeepSeek-Math is an open-source / open-weight model released by DeepSeek. GPT-5.4 is a proprietary model released by OpenAI.

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