ChatGPT-4o (March 2025) vs OpenAI o4 Mini High
Compare ChatGPT-4o (March 2025) and OpenAI o4 Mini High, both from OpenAI, context windows of 128K vs 200K, tested across 32 shared challenges. Updated April 2026.
Which is better, ChatGPT-4o (March 2025) or OpenAI o4 Mini High?
ChatGPT-4o (March 2025) and OpenAI o4 Mini High are both competitive models. ChatGPT-4o (March 2025) costs $5/M input tokens vs $1.1/M for OpenAI o4 Mini High. Context windows: 128K vs 200K tokens. Compare their real outputs side by side below.
Key Differences Between ChatGPT-4o (March 2025) and OpenAI o4 Mini High
ChatGPT-4o (March 2025) is made by openai while OpenAI o4 Mini High is from openai. ChatGPT-4o (March 2025) has a 128K token context window compared to OpenAI o4 Mini High's 200K. On pricing, ChatGPT-4o (March 2025) costs $5/M input tokens vs $1.1/M for OpenAI o4 Mini High.
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
OpenAI o4 Mini High is 3.4x cheaper per token — worth considering if cost matters.
Style Comparison
ChatGPT-4o (March 2025) uses 329.7x more bold
vsAsk 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.
