Claude Opus 4 vs MiMo-V2.5
Compare Claude Opus 4 by Anthropic against MiMo-V2.5 by Xiaomi, context windows of 200K vs 1.0M, tested across 53 shared challenges. Updated April 2026.
Which is better, Claude Opus 4 or MiMo-V2.5?
Claude Opus 4 and MiMo-V2.5 are both competitive models. Claude Opus 4 costs $15/M input tokens vs $0.4/M for MiMo-V2.5. Context windows: 200K vs 1049K tokens. Compare their real outputs side by side below.
Key Differences Between Claude Opus 4 and MiMo-V2.5
Claude Opus 4 is made by anthropic while MiMo-V2.5 is from xiaomi. Claude Opus 4 has a 200K token context window compared to MiMo-V2.5's 1049K. On pricing, Claude Opus 4 costs $15/M input tokens vs $0.4/M for MiMo-V2.5.
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 is 38x cheaper per token — worth considering if cost matters.
Style Comparison
MiMo-V2.5 uses 9.0x more emoji
vs
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
The right persona beats the bigger model. Sometimes.
52 system prompts. 156 generations. One small model, on purpose.
+1.49
composite-score lift from empty prompt to best persona
52
personas
156
responses
3
blind judges
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
