SmophyAI

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Real data comparison

OpenAI: GPT-5.6 Luna (batch) vs Xiaomi: MiMo-V2.5

On quality, OpenAI: GPT-5.6 Luna (batch) leads (52.3 vs 38). On price, Xiaomi: MiMo-V2.5 is cheaper ($0.18 vs $0.22 per 1M). In real production usage, Xiaomi: MiMo-V2.5 is used more (rank #2 vs #9 of 291). Across 17 real task categories where both models have classified traffic, Xiaomi: MiMo-V2.5 handles more of the traffic in 9 of them.

  • OpenAI: GPT-5.6 Luna (batch)
  • Xiaomi: MiMo-V2.5
Quality (Intelligence Index)52.3 / 38
Price ($/1M blended)$0.22 / $0.18
Average usage share2.49% / 12.72%
Best provider uptime100.0% / 98.9%
Coding index71.4 / 56.8
Agentic index46.9 / 24.4
Context window1,050,000 / 1,050,000
Quality per dollar232.4 pts/$ / 217.1 pts/$

Head-to-head by real task

OpenAI: GPT-5.6 Luna (batch) leads 8 of 17 shared task categories by real classified traffic share; Xiaomi: MiMo-V2.5 leads 9. Not a benchmark score - this is what developers actually route to each model for, per OpenRouter's task classification.

TaskOpenAI: GPT-5.6 Luna (batch)Xiaomi: MiMo-V2.5
Repo Scanning6.5%18.1%
DevOps5.3%11.3%
Frontend & UI10.1%14.7%
DevOps & Config8.1%12.0%
File I/O7.2%10.7%
Code Review7.2%4.1%
Multi-step Planning6.2%3.4%
Research & Reports4.8%2.3%
SQL & Database6.2%8.3%
Debugging6.9%9.0%
Web Search4.8%3.0%
Shell Execution3.7%5.2%
Q&A & Knowledge3.9%2.4%
Code Generation9.4%8.1%
Conversation3.1%4.2%
Workflow Execution5.7%4.8%
Security Audit3.1%3.0%

Usage share over time

21.85%16.39%10.93%5.46%0.00%Share of usageJul 5Jul 22Aug 8
  • OpenAI: GPT-5.6 Luna (batch)
  • Xiaomi: MiMo-V2.5

Frequently asked questions

OpenAI: GPT-5.6 Luna (batch) vs Xiaomi: MiMo-V2.5: which is better quality?

OpenAI: GPT-5.6 Luna (batch) scores higher on Artificial Analysis's Intelligence Index (52.3 vs 38).

OpenAI: GPT-5.6 Luna (batch) vs Xiaomi: MiMo-V2.5: which is cheaper?

Xiaomi: MiMo-V2.5 is cheaper at $0.18/1M vs $0.22/1M.

OpenAI: GPT-5.6 Luna (batch) vs Xiaomi: MiMo-V2.5: which is used more?

Xiaomi: MiMo-V2.5 has higher real OpenRouter usage share (rank #2 vs #9 of 291).

OpenAI: GPT-5.6 Luna (batch) vs Xiaomi: MiMo-V2.5: which wins more real-world task categories?

Xiaomi: MiMo-V2.5 handles more traffic in 9 of 17 shared task categories where both models have classified OpenRouter usage.

Source: OpenRouter (openrouter.ai/rankings), as of August 9, 2026.

Benchmark scores: Artificial Analysis (artificialanalysis.ai) via OpenRouter (openrouter.ai/rankings).

Methodology: smophy.ai/benchmark/methodology

Token counts originate from each provider's own tokenizer and are not directly comparable across providers.