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DeepSeek Chat (R1-based) vs Gemini 2.5 Pro

0 vs 3 benchmarks won

DeepSeek
DeepSeek Chat (R1-based)
Google
Gemini 2.5 Pro
Overview
CompanyDeepSeekGoogle
Release dateJan 20 2025Mar 25 2025
Model type
Open sourceYesNo
Specifications
Parameters
Context window
Benchmarks
Science reasoning
GPQA Diamond
86.4%
Software engineering
SWE-Bench Verified
59.6%
Multimodal understanding
MMMU
68%
Timeline
Release gapDeepSeek Chat (R1-based) shipped 64 days before Gemini 2.5 Pro

Which is better: DeepSeek Chat (R1-based) or Gemini 2.5 Pro?

Gemini 2.5 Pro leads DeepSeek Chat (R1-based) on 3 of the tracked benchmarks (GPQA Diamond, SWE-Bench Verified, MMMU). DeepSeek Chat (R1-based) shipped 64 days before Gemini 2.5 Pro, so benchmark comparisons should account for the intervening progress.

DeepSeek Chat (R1-based) is an open-source / open-weight model; Gemini 2.5 Pro 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 Chat (R1-based) released?
DeepSeek Chat (R1-based) was released by DeepSeek on Jan 20 2025.
When was Gemini 2.5 Pro released?
Gemini 2.5 Pro was released by Google on Mar 25 2025.
Is DeepSeek Chat (R1-based) or Gemini 2.5 Pro open source?
DeepSeek Chat (R1-based) is an open-source / open-weight model released by DeepSeek. Gemini 2.5 Pro is a proprietary model released by Google.

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