Google: Gemma 4 31B (free) vs Xiaomi: MiMo-V2.5
Based on weekly OpenRouter usage tracked by AI Tier List, Xiaomi: MiMo-V2.5 ranks #5 overall — ahead of Google: Gemma 4 31B (free) at #23. Google: Gemma 4 31B (free) is cheaper on input tokens at Free/1M vs $0.14/1M for Xiaomi: MiMo-V2.5. Xiaomi: MiMo-V2.5 offers the larger context window at 1.1M tokens.
Google: Gemma 4 31B (free) vs Xiaomi: MiMo-V2.5: which should you use?
Choose Google: Gemma 4 31B (free) if…
- Cheaper to read — Free vs $0.14 per 1M input tokens, which is what dominates long-prompt and RAG workloads.
- Cheaper to write — Free vs $0.28 per 1M output tokens, the line item that decides generation-heavy costs.
Choose Xiaomi: MiMo-V2.5 if…
- It sees more real traffic — #5 overall on OpenRouter's weekly ranking, against #23 for Google: Gemma 4 31B (free).
- Bigger context window — 1.1M vs 262K tokens.
- Higher Artificial Analysis intelligence index — 38.0 vs 29.7.
- Higher Artificial Analysis coding score — 56.8 vs 43.4.
- Higher Artificial Analysis agentic score — 24.4 vs 14.4.
- It accepts audio input, which Google: Gemma 4 31B (free) does not.
- It is the newer model — released Apr 2026 against Apr 2026.
Spec Comparison
| Spec | Google: Gemma 4 31B (free) | Xiaomi: MiMo-V2.5 |
|---|---|---|
| Author | xiaomi | |
| Input price (per 1M tokens) | Free | $0.14 |
| Output price (per 1M tokens) | Free | $0.28 |
| Context window | 262K | 1.1M |
| Input modalities | image, text, video | text, audio, image, video |
| Output modalities | text | text |
| AA Intelligence | 29.7 | 38.0 |
| AA Coding | 43.4 | 56.8 |
| AA Agentic | 14.4 | 24.4 |
| Released | Apr 2026 | Apr 2026 |
What Google: Gemma 4 31B (free) and Xiaomi: MiMo-V2.5 actually cost to run
On a read-heavy job — 1M tokens in, 100K out — Google: Gemma 4 31B (free) costs $0.00 and Xiaomi: MiMo-V2.5 costs $0.17.
Flip the shape — 100K in, 1M out — and it becomes $0.00 for Google: Gemma 4 31B (free) versus $0.29 for Xiaomi: MiMo-V2.5.
Both figures are the published per-token rates multiplied out; caching and batch discounts are not included.
Usage Rank by Task
| Task | Google: Gemma 4 31B (free) | Xiaomi: MiMo-V2.5 |
|---|---|---|
| Overall | #23 | #5 |
| Memory Extraction | — | #1 |
| Multi-step Planning | — | #4 |
| Tool Dispatch | — | #6 |
| Web Search | — | #2 |
| Agent Workflows | — | #2 |
| Classification & Tagging | — | #5 |
| Debugging | — | #1 |
| DevOps Config | — | #1 |
| File Read/Write | — | #1 |
| Frontend UI | — | #1 |
| Code Implementation | — | #1 |
| Repo Analysis | — | #1 |
| Code Review & Security | — | #2 |
| Shell Execution | — | #3 |
About Google: Gemma 4 31B (free) and Xiaomi: MiMo-V2.5
Google: Gemma 4 31B (free)
Built by google · released Apr 2026 · 262K-token context
Gemma 4 31B Instruct is Google DeepMind's 30.7B dense multimodal model supporting text and image input with text output. Features a 256K token context window, configurable thinking/reasoning mode, native function...
Xiaomi: MiMo-V2.5
Built by xiaomi · released Apr 2026 · 1.1M-token context
MiMo-V2.5 is a native omnimodal model by Xiaomi. It delivers Pro-level agentic performance at roughly half the inference cost, while surpassing MiMo-V2-Omni in multimodal perception across image and video understanding...
Related comparisons
- Google: Gemma 4 31B (free) vs DeepSeek: DeepSeek V4 Flash 0731
- Google: Gemma 4 31B (free) vs Tencent: Hy3
- Google: Gemma 4 31B (free) vs OpenAI: GPT-5.6 Luna (batch)
- Xiaomi: MiMo-V2.5 vs DeepSeek: DeepSeek V4 Flash 0731
- Xiaomi: MiMo-V2.5 vs Tencent: Hy3
- Xiaomi: MiMo-V2.5 vs OpenAI: GPT-5.6 Luna (batch)
Get notified when Google: Gemma 4 31B (free) or Xiaomi: MiMo-V2.5 moves
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FAQ
Which is better, Google: Gemma 4 31B (free) or Xiaomi: MiMo-V2.5?
Based on weekly OpenRouter usage tracked by AI Tier List, Xiaomi: MiMo-V2.5 ranks #5 overall — ahead of Google: Gemma 4 31B (free) at #23. Google: Gemma 4 31B (free) is cheaper on input tokens at Free/1M vs $0.14/1M for Xiaomi: MiMo-V2.5. Xiaomi: MiMo-V2.5 offers the larger context window at 1.1M tokens.
Which is cheaper, Google: Gemma 4 31B (free) or Xiaomi: MiMo-V2.5?
Google: Gemma 4 31B (free) is cheaper at Free per 1M input tokens. Output pricing: Google: Gemma 4 31B (free) Free, Xiaomi: MiMo-V2.5 $0.28.
Which is better for coding, Google: Gemma 4 31B (free) or Xiaomi: MiMo-V2.5?
Xiaomi: MiMo-V2.5. Artificial Analysis coding scores: Google: Gemma 4 31B (free) 43.4, Xiaomi: MiMo-V2.5 56.8. Best coding-task usage rank this week: Google: Gemma 4 31B (free) —, Xiaomi: MiMo-V2.5 #1.
Is Xiaomi: MiMo-V2.5 still ahead of Google: Gemma 4 31B (free) right now?
Yes. For the week of 2026-08-10, Xiaomi: MiMo-V2.5 ranks #5 overall on OpenRouter usage against #23 for Google: Gemma 4 31B (free). Ranks refresh weekly, and the verdict on this page flips if they cross.
Usage ranks are weekly data aggregated by OpenRouter. Prices are USD per 1M tokens.