Compare Grok 4.5 from Grok and Xiaomi Mimo V2.5 Pro from Xiaomi on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the AIHubMix API.
Grok 4.5
Xiaomi Mimo V2.5 ProGrok 4.5 was trained on datasets spanning knowledge in coding, science, engineering, and math. With both intelligent and efficient reasoning, Grok 4.5 excels at real engineering tasks and exceeds comparable leading models at these tasks.
MiMo-V2.5-Pro is Xiaomi's most powerful model to date. In areas such as general agent capabilities, complex software engineering, and long-horizon tasks, it can now directly compete with the world's top agent models (Claude Opus 4.6, GPT-5.4). Compared with the previous-generation MiMo-V2-Pro, it achieves an all-around leap forward.
Prices are per million tokens. Time to First Token and throughput are rolling averages measured on AIHubMix.
Promotional prices show the discounted rate; see each model page for promotion windows.
Daily traffic served through AIHubMix — how demand for each model is trending.
Measured on real AIHubMix traffic, hourly buckets. Gaps mean no traffic in that hour.
LMArena ratings by capability (Bradley-Terry, commonly called Elo). Higher is better.
Source: LMArena (arena.ai) leaderboard, imported by AIHubMix. Models without published ratings are omitted per chart.
Estimate your monthly bill for the same workload on each model.
Monthly = daily × 30. Discounted rates applied where a promotion is active.
Xiaomi Mimo V2.5 Pro: $0.96/M output tokens; Grok 4.5: $6.00/M. Use the cost calculator above to estimate your own workload.
Grok 4.5: 1523; Xiaomi Mimo V2.5 Pro: 1519 (LMArena coding leaderboard).
Xiaomi Mimo V2.5 Pro: 1.7s time to first token measured on AIHubMix; see the live performance charts above for how each model behaves across the day.
Grok 4.5 accepts 500,000 and Xiaomi Mimo V2.5 Pro accepts 1,000,000 input tokens.
Xiaomi Mimo V2.5 Pro at 41.3 tok/s and Grok 4.5 at 33.8 tok/s, measured as output throughput on AIHubMix — a separate metric from time to first token.
Grok 4.5 accepts text and image input and supports thinking, tool calling, function calling, structured outputs and long context; Xiaomi Mimo V2.5 Pro accepts text input and supports web search.
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