Compare Gemini 2.0 Flash Thinking by Google AI against OpenAI o4-mini by OpenAI, tested across 21 shared challenges. Updated April 2026.
Gemini 2.0 Flash Thinking and OpenAI o4-mini are both competitive models. Gemini 2.0 Flash Thinking costs $0.25/M input tokens vs $1.1/M for OpenAI o4-mini. Compare their real outputs side by side below.
Gemini 2.0 Flash Thinking is made by google while OpenAI o4-mini is from openai. On pricing, Gemini 2.0 Flash Thinking costs $0.25/M input tokens vs $1.1/M for OpenAI o4-mini.
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 8.8x cheaper per token — worth considering if cost matters.
Gemini 2.0 Flash Thinking uses 376.7x more bold
Ask them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.

Compare Gemini 2.0 Flash Thinking by Google AI against OpenAI o4-mini by OpenAI, tested across 21 shared challenges. Updated April 2026.
Gemini 2.0 Flash Thinking and OpenAI o4-mini are both competitive models. Gemini 2.0 Flash Thinking costs $0.25/M input tokens vs $1.1/M for OpenAI o4-mini. Compare their real outputs side by side below.
Gemini 2.0 Flash Thinking is made by google while OpenAI o4-mini is from openai. On pricing, Gemini 2.0 Flash Thinking costs $0.25/M input tokens vs $1.1/M for OpenAI o4-mini.
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 8.8x cheaper per token — worth considering if cost matters.
Gemini 2.0 Flash Thinking uses 376.7x more bold
Ask them anything yourself
Some models write identically. You are paying for the brand.
178 models fingerprinted across 32 writing dimensions. Free research.
185x
price gap between models that write identically
178
models
12
clone pairs
32
dimensions
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
