GPT-3.5 Turbo vs Gemini 2.5 Pro Preview 06-05

Compare GPT-3.5 Turbo by OpenAI against Gemini 2.5 Pro Preview 06-05 by Google AI, in 1 community votes, gemini 2.5 pro preview 06-05 wins 100% of head-to-head duels, context windows of 16K vs 1.0M, tested across 18 shared challenges. Updated April 2026.

Which is better, GPT-3.5 Turbo or Gemini 2.5 Pro Preview 06-05?

Gemini 2.5 Pro Preview 06-05 is the better choice overall, winning 100% of 1 blind community votes on Rival. GPT-3.5 Turbo costs $1.5/M input tokens vs $1.25/M for Gemini 2.5 Pro Preview 06-05. Context windows: 16K vs 1049K tokens. Compare their real outputs side by side below.

Key Differences Between GPT-3.5 Turbo and Gemini 2.5 Pro Preview 06-05

GPT-3.5 Turbo is made by openai while Gemini 2.5 Pro Preview 06-05 is from google. GPT-3.5 Turbo has a 16K token context window compared to Gemini 2.5 Pro Preview 06-05's 1049K. On pricing, GPT-3.5 Turbo costs $1.5/M input tokens vs $1.25/M for Gemini 2.5 Pro Preview 06-05. In community voting, In 1 community votes, Gemini 2.5 Pro Preview 06-05 wins 100% of head-to-head duels.

In 1 community votes, Gemini 2.5 Pro Preview 06-05 wins 100% of head-to-head duels. Based on blind community voting from the Rival open dataset of 1+ human preference judgments for this pair.

Our Verdict
Gemini 2.5 Pro Preview 06-05
Gemini 2.5 Pro Preview 06-05Winner
GPT-3.5 Turbo
GPT-3.5 TurboRunner-up

Pick Gemini 2.5 Pro Preview 06-05. In 1 blind votes, Gemini 2.5 Pro Preview 06-05 wins 100% of the time. That's not luck.

GPT-3.5 Turbo is 5.0x cheaper per token — worth considering if cost matters.

Clear winner
Writing DNA

Style Comparison

Similarity
90%

Gemini 2.5 Pro Preview 06-05 uses 482.5x more bold

GPT-3.5 Turbo
Gemini 2.5 Pro Preview 06-05
61%Vocabulary51%
16wSentence Length15w
0.23Hedging0.31
0.0Bold4.8
3.7Lists4.1
0.00Emoji0.00
0.00Headings0.98
0.38Transitions0.05
Based on 11 + 20 text responses
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GPT-3.5 TurboGemini 2.5 Pro Preview 06-05

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