GPT-5.5 vs MiMo-V2.5-Pro
Compare GPT-5.5 by OpenAI against MiMo-V2.5-Pro by Xiaomi, context windows of 1.1M vs 1.0M, tested across 53 shared challenges. Updated May 2026.
Which is better, GPT-5.5 or MiMo-V2.5-Pro?
GPT-5.5 and MiMo-V2.5-Pro are both competitive models. GPT-5.5 costs $5/M input tokens vs $1/M for MiMo-V2.5-Pro. Context windows: 1050K vs 1049K tokens. Compare their real outputs side by side below.
Key Differences Between GPT-5.5 and MiMo-V2.5-Pro
GPT-5.5 is made by openai while MiMo-V2.5-Pro is from xiaomi. GPT-5.5 has a 1050K token context window compared to MiMo-V2.5-Pro's 1049K. On pricing, GPT-5.5 costs $5/M input tokens vs $1/M for MiMo-V2.5-Pro.
Per 1M tokens
MiMo-V2.5-Pro is cheaper on both — 5.0× input, 10× output
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
MiMo-V2.5-Pro is 10x cheaper per token — worth considering if cost matters.
Style Comparison
MiMo-V2.5-Pro uses 62.5x more emoji
