ChatGPT-4o (March 2025) vs MiniMax M2-her
Compare ChatGPT-4o (March 2025) by OpenAI against MiniMax M2-her by MiniMax, context windows of 128K vs 66K, tested across 32 shared challenges. Updated April 2026.
Which is better, ChatGPT-4o (March 2025) or MiniMax M2-her?
ChatGPT-4o (March 2025) and MiniMax M2-her are both competitive models. ChatGPT-4o (March 2025) costs $5/M input tokens vs $0.3/M for MiniMax M2-her. Context windows: 128K vs 66K tokens. Compare their real outputs side by side below.
Key Differences Between ChatGPT-4o (March 2025) and MiniMax M2-her
ChatGPT-4o (March 2025) is made by openai while MiniMax M2-her is from minimax. ChatGPT-4o (March 2025) has a 128K token context window compared to MiniMax M2-her's 66K. On pricing, ChatGPT-4o (March 2025) costs $5/M input tokens vs $0.3/M for MiniMax M2-her.
No community votes yet. On paper, ChatGPT-4o (March 2025) has the edge — bigger model tier, bigger context window, major provider backing.
MiniMax M2-her is 13x cheaper per token — worth considering if cost matters.
Style Comparison
MiniMax M2-her uses 4.2x more transitions
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.
