Xiaomi MiMo-V2.5-Pro vs Phi 4 Multimodal Instruct
Xiaomi MiMo-V2.5-Pro (2026) and Phi 4 Multimodal Instruct (2025) are agentic coding models from Xiaomi and Microsoft Research. Xiaomi MiMo-V2.5-Pro ships a 1M-token context window, while Phi 4 Multimodal Instruct ships a 128K-token context window. On pricing, Phi 4 Multimodal Instruct costs $0.9/1M input tokens versus $1/1M for the alternative. This comparison covers specs, pricing, capabilities, benchmarks, provider availability, and production fit.
Xiaomi MiMo-V2.5-Pro fits 8x more tokens; pick it for long-context work and Phi 4 Multimodal Instruct for tighter calls.
Specs
| Released | 2026-04-22 | 2025-01-01 |
| Context window | 1M | 128K |
| Parameters | 1T | — |
| Architecture | mixture of experts | decoder only |
| License | Proprietary | Open Source |
| Knowledge cutoff | - | - |
Pricing and availability
| Xiaomi MiMo-V2.5-Pro | Phi 4 Multimodal Instruct | |
|---|---|---|
| Input price | $1/1M tokens | $0.9/1M tokens |
| Output price | $3/1M tokens | $0.9/1M tokens |
| Providers |
Capabilities
| Xiaomi MiMo-V2.5-Pro | Phi 4 Multimodal Instruct | |
|---|---|---|
| Vision | ||
| Multimodal | ||
| Reasoning | ||
| Function calling | ||
| Tool use | ||
| Structured outputs | ||
| Code execution |
Benchmarks
No shared benchmark rows are currently sourced for this pair.
Deep dive
The capability footprint differs most on vision: Phi 4 Multimodal Instruct, multimodal input: Phi 4 Multimodal Instruct, function calling: Xiaomi MiMo-V2.5-Pro, tool use: Xiaomi MiMo-V2.5-Pro, and structured outputs: Xiaomi MiMo-V2.5-Pro. Both models share the core language-model surface, so the practical split is not just feature count. Use those differences to decide whether the page is about raw model quality, agentic coding support, multimodal ingestion, or predictable structured API behavior.
For cost, Xiaomi MiMo-V2.5-Pro lists $1/1M input and $3/1M output tokens, while Phi 4 Multimodal Instruct lists $0.9/1M input and $0.9/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts Phi 4 Multimodal Instruct lower by about $0.7 per million blended tokens. Availability is 1 providers versus 2, so concentration risk also matters.
Choose Xiaomi MiMo-V2.5-Pro when coding workflow support and larger context windows are central to the workload. Choose Phi 4 Multimodal Instruct when vision-heavy evaluation, lower input-token cost, and broader provider choice are more important. For production, rerun your own prompts through the exact provider, region, and tool stack you plan to ship. This keeps the decision grounded in measurable tradeoffs instead of brand-level assumptions.
FAQ
Which has a larger context window, Xiaomi MiMo-V2.5-Pro or Phi 4 Multimodal Instruct?
Xiaomi MiMo-V2.5-Pro supports 1M tokens, while Phi 4 Multimodal Instruct supports 128K tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Which is cheaper, Xiaomi MiMo-V2.5-Pro or Phi 4 Multimodal Instruct?
Phi 4 Multimodal Instruct is cheaper on tracked token pricing. Xiaomi MiMo-V2.5-Pro costs $1/1M input and $3/1M output tokens. Phi 4 Multimodal Instruct costs $0.9/1M input and $0.9/1M output tokens. Provider discounts or batch pricing can still change the final bill.
Is Xiaomi MiMo-V2.5-Pro or Phi 4 Multimodal Instruct open source?
Xiaomi MiMo-V2.5-Pro is listed under Proprietary. Phi 4 Multimodal Instruct is listed under Open Source. License labels affect whether you can self-host, redistribute weights, or rely only on hosted APIs, so confirm the upstream license before deployment.
Which is better for vision, Xiaomi MiMo-V2.5-Pro or Phi 4 Multimodal Instruct?
Phi 4 Multimodal Instruct has the clearer documented vision signal in this comparison. If vision is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Which is better for multimodal input, Xiaomi MiMo-V2.5-Pro or Phi 4 Multimodal Instruct?
Phi 4 Multimodal Instruct has the clearer documented multimodal input signal in this comparison. If multimodal input is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Where can I run Xiaomi MiMo-V2.5-Pro and Phi 4 Multimodal Instruct?
Xiaomi MiMo-V2.5-Pro is available on OpenRouter. Phi 4 Multimodal Instruct is available on Fireworks AI and NVIDIA NIM. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
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Last reviewed: 2026-04-24. Data sourced from public model cards and provider documentation.