Gemini 2.0 Flash Thinking vs GPT-4

Compare Gemini 2.0 Flash Thinking by Google AI against GPT-4 by OpenAI, context windows of 500K vs 8K, tested across 4 shared challenges. Updated April 2026.

Which is better, Gemini 2.0 Flash Thinking or GPT-4?

Gemini 2.0 Flash Thinking and GPT-4 are both competitive models. Gemini 2.0 Flash Thinking costs $0.25/M input tokens vs $30/M for GPT-4. Context windows: 500K vs 8K tokens. Compare their real outputs side by side below.

Key Differences Between Gemini 2.0 Flash Thinking and GPT-4

Gemini 2.0 Flash Thinking is made by google while GPT-4 is from openai. Gemini 2.0 Flash Thinking has a 500K token context window compared to GPT-4's 8K. On pricing, Gemini 2.0 Flash Thinking costs $0.25/M input tokens vs $30/M for GPT-4.

Our Verdict
Gemini 2.0 Flash Thinking
Gemini 2.0 Flash Thinking
GPT-4
GPT-4

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

Gemini 2.0 Flash Thinking is 120x cheaper per token — worth considering if cost matters.

Too close to call
Writing DNA

Style Comparison

Similarity
99%

Gemini 2.0 Flash Thinking uses 3.3x more headings

Gemini 2.0 Flash Thinking
GPT-4
54%Vocabulary59%
15wSentence Length18w
0.64Hedging1.10
3.8Bold0.8
2.4Lists2.5
0.00Emoji0.00
0.03Headings0.00
0.30Transitions0.45
Based on 13 + 15 text responses
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Ask them anything yourself

Gemini 2.0 Flash ThinkingGPT-4

Some models write identically. You are paying for the brand.

178 models fingerprinted across 32 writing dimensions. Free research.

Model Similarity Index

185x

price gap between models that write identically

178

models

12

clone pairs

32

dimensions

Devstral M / S
95.7%
Qwen3 Coder / Flash
95.6%
GPT-5.4 / Mini
93.3%

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AI Hallucination Index 2026
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