Gemini 2.0 Flash Thinking vs GPT-5
Compare Gemini 2.0 Flash Thinking by Google AI against GPT-5 by OpenAI, context windows of 500K vs 400K, tested across 21 shared challenges. Updated May 2026.
Which is better, Gemini 2.0 Flash Thinking or GPT-5?
Gemini 2.0 Flash Thinking and GPT-5 are both competitive models. Gemini 2.0 Flash Thinking costs $0.25/M input tokens vs $1.25/M for GPT-5. Context windows: 500K vs 400K tokens. Compare their real outputs side by side below.
Key Differences Between Gemini 2.0 Flash Thinking and GPT-5
Gemini 2.0 Flash Thinking is made by google while GPT-5 is from openai. Gemini 2.0 Flash Thinking has a 500K token context window compared to GPT-5's 400K. On pricing, Gemini 2.0 Flash Thinking costs $0.25/M input tokens vs $1.25/M for GPT-5.
Per 1M tokens
Gemini 2.0 Flash Thinking is cheaper on both — 5.0× input, 20× output
No community votes yet. On paper, GPT-5 has the edge — bigger model tier, newer.
Gemini 2.0 Flash Thinking is 20x cheaper per token — worth considering if cost matters.
Style Comparison
Gemini 2.0 Flash Thinking uses 20.0x more bold
