DeepSeek V3 (March 2024) vs Gemini 2.5 Pro (I/O Edition)

Compare DeepSeek V3 (March 2024) by DeepSeek against Gemini 2.5 Pro (I/O Edition) by Google AI, tested across 34 shared challenges. Updated April 2026.

Which is better, DeepSeek V3 (March 2024) or Gemini 2.5 Pro (I/O Edition)?

DeepSeek V3 (March 2024) and Gemini 2.5 Pro (I/O Edition) are both competitive models. DeepSeek V3 (March 2024) costs $0.14/M input tokens vs $1.25/M for Gemini 2.5 Pro (I/O Edition). Compare their real outputs side by side below.

Key Differences Between DeepSeek V3 (March 2024) and Gemini 2.5 Pro (I/O Edition)

DeepSeek V3 (March 2024) is made by deepseek while Gemini 2.5 Pro (I/O Edition) is from google. On pricing, DeepSeek V3 (March 2024) costs $0.14/M input tokens vs $1.25/M for Gemini 2.5 Pro (I/O Edition).

Our Verdict
DeepSeek V3 (March 2024)
DeepSeek V3 (March 2024)
Gemini 2.5 Pro (I/O Edition)
Gemini 2.5 Pro (I/O Edition)

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

DeepSeek V3 (March 2024) is 36x cheaper per token — worth considering if cost matters.

Too close to call
Writing DNA

Style Comparison

Similarity
97%

DeepSeek V3 (March 2024) uses 25.6x more emoji

DeepSeek V3 (March 2024)
Gemini 2.5 Pro (I/O Edition)
58%Vocabulary58%
18wSentence Length16w
0.73Hedging0.38
7.5Bold5.8
7.6Lists5.0
0.26Emoji0.00
1.60Headings0.63
0.08Transitions0.01
Based on 16 + 16 text responses
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DeepSeek V3 (March 2024)Gemini 2.5 Pro (I/O Edition)

279 AI models invented the same fake scientist.

We read every word. 250 models. 2.14 million words. This is what we found.

AI Hallucination Index 2026
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