GPT-4.5 vs MiniMax M3
Compare GPT-4.5 by OpenAI against MiniMax M3 by MiniMax, context windows of 128K vs 1.0M, tested across 23 shared challenges. Updated June 2026.
Which is better, GPT-4.5 or MiniMax M3?
GPT-4.5 and MiniMax M3 are both competitive models. GPT-4.5 costs $75/M input tokens vs $0.3/M for MiniMax M3. Context windows: 128K vs 1049K tokens. Compare their real outputs side by side below.
Key Differences Between GPT-4.5 and MiniMax M3
GPT-4.5 is made by openai while MiniMax M3 is from minimax. GPT-4.5 has a 128K token context window compared to MiniMax M3's 1049K. On pricing, GPT-4.5 costs $75/M input tokens vs $0.3/M for MiniMax M3.
Per 1M tokens
MiniMax M3 is cheaper on both — 250× input, 125× output
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
MiniMax M3 is 125x cheaper per token — worth considering if cost matters.
Style Comparison
MiniMax M3 uses 115.0x more emoji
