MiMo-V2-Pro (Hunter Alpha) vs GPT-5.4
Comprehensive comparison between Xiaomi's MiMo-V2-Pro (Hunter Alpha) and OpenAI's GPT-5.4. Compare pricing, performance, features, and user reviews.
MiMo-V2-Pro (Hunter Alpha)
XiaomiXiaomi's frontier model led by DeepSeek R1 veteran Fuli Luo. 1T total parameters with 42B active per forward pass, 1M context window. Uses 7:1 Hybrid Attention and Multi-Token Prediction for efficient agent workflows. GDPval-AA Elo 1426 (highest Chinese model), ClawEval 61.5 approaching Opus 4.6. Cost ~1/7th of GPT-5.2. Hallucinates 30% vs competitors' 48%.
GPT-5.4
OpenAIOpenAI's most capable and efficient frontier model for professional work. Combines industry-leading coding with native computer use, 1M+ context window, and improved reasoning. First GPT model to beat human performance on desktop navigation tasks.
Specs Comparison
| Specification | MiMo-V2-Pro (Hunter Alpha) | GPT-5.4 |
|---|---|---|
| Context Window | 1049K | 1050K |
| Max Output | 32K | 128K |
| Input (per 1M tokens) | $0.00 | $2.50 |
| Output (per 1M tokens) | $0.00 | $15.00 |
| Reasoning | ||
| Open Source |
Scenario Score Comparison
MiMo-V2-Pro (Hunter Alpha)
Pros
- + Currently FREE (stealth testing phase)
- + 1M token context window
- + 1/7th cost of GPT-5.2 at similar performance
- + 30% hallucination rate (vs 48% competitors)
- + Highest GDPval-AA score among Chinese models
- + Optimized for OpenClaw and Claude Code
- + Sparse 42B active params for efficiency
Cons
- − Stealth model - specs unconfirmed
- − Free status may be temporary
- − Prompts logged by provider
- − Chinese regulations compliance
GPT-5.4
Pros
- + 1M+ context window (largest in GPT lineup)
- + Native computer use capability
- + 33% fewer hallucinations vs GPT-5.2
- + Tool search reduces tokens by 47%
- + Half the price of Claude Opus 4.6
Cons
- − 2x pricing above 272K tokens
- − 24% longer average responses (more output tokens)
- − Health benchmarks slightly worse than 5.2
- − Some users report benchmark-optimized feel
Recommendation
Choose MiMo-V2-Pro (Hunter Alpha) if you:
- • Need currently free (stealth testing phase)
- • Need 1m token context window
- • Need 1/7th cost of gpt-5.2 at similar performance
Choose GPT-5.4 if you:
- • Need 1m+ context window (largest in gpt lineup)
- • Need native computer use capability
- • Need 33% fewer hallucinations vs gpt-5.2
Based on scores across 2 scenarios, GPT-5.4 performs better overall.
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