Xiaomi MiMo-V2.5-Pro vs Mistral Medium 3 Instruct
Xiaomi MiMo-V2.5-Pro (2026) and Mistral Medium 3 Instruct (2025) are agentic coding models from Xiaomi and MistralAI. Xiaomi MiMo-V2.5-Pro ships a 1M-token context window, while Mistral Medium 3 Instruct ships a 128K-token context window. This comparison covers specs, pricing, capabilities, benchmarks, provider availability, and production fit. It focuses on practical selection signals rather than broad model-family marketing. The goal is to make the tradeoff clear before deeper testing.
Xiaomi MiMo-V2.5-Pro fits 8x more tokens; pick it for long-context work and Mistral Medium 3 Instruct for tighter calls.
Decision scorecard
Local evidence first| Signal | Xiaomi MiMo-V2.5-Pro | Mistral Medium 3 Instruct |
|---|---|---|
| Decision fit | Coding, RAG, and Agents | Long context |
| Context window | 1M | 128K |
| Cheapest output | $3/1M tokens | - |
| Provider routes | 1 tracked | 2 tracked |
| Shared benchmarks | 0 rows | 0 rows |
Decision tradeoffs
- Xiaomi MiMo-V2.5-Pro has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Xiaomi MiMo-V2.5-Pro uniquely exposes Function calling, Tool use, and Structured outputs in local model data.
- Local decision data tags Xiaomi MiMo-V2.5-Pro for Coding, RAG, and Agents.
- Mistral Medium 3 Instruct has broader tracked provider coverage for fallback and procurement flexibility.
- Local decision data tags Mistral Medium 3 Instruct for Long context.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output prices on this page.
Xiaomi MiMo-V2.5-Pro
$1,550
Cheapest tracked route: OpenRouter
Mistral Medium 3 Instruct
Unavailable
No complete token price in local provider data
Cost delta unavailable until both models have sourced input and output token prices.
Switch friction
- No overlapping tracked provider route is sourced for Xiaomi MiMo-V2.5-Pro and Mistral Medium 3 Instruct; plan for SDK, billing, or endpoint changes.
- Check replacement coverage for Function calling, Tool use, and Structured outputs before moving production traffic.
- No overlapping tracked provider route is sourced for Mistral Medium 3 Instruct and Xiaomi MiMo-V2.5-Pro; plan for SDK, billing, or endpoint changes.
- Xiaomi MiMo-V2.5-Pro adds Function calling, Tool use, and Structured outputs in local capability data.
Specs
| Specification | ||
|---|---|---|
| Released | 2026-04-22 | 2025-10-01 |
| Context window | 1M | 128K |
| Parameters | 1T | — |
| Architecture | mixture of experts | decoder only |
| License | Proprietary | 1 |
| Knowledge cutoff | - | - |
Pricing and availability
| Pricing attribute | Xiaomi MiMo-V2.5-Pro | Mistral Medium 3 Instruct |
|---|---|---|
| Input price | $1/1M tokens | - |
| Output price | $3/1M tokens | - |
| Providers |
Capabilities
| Capability | Xiaomi MiMo-V2.5-Pro | Mistral Medium 3 Instruct |
|---|---|---|
| Vision | No | No |
| Multimodal | No | No |
| Reasoning | No | No |
| Function calling | Yes | No |
| Tool use | Yes | No |
| Structured outputs | Yes | No |
| Code execution | No | No |
Benchmarks
No shared benchmark rows are currently sourced for this pair.
Deep dive
The capability footprint differs most on 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.
Pricing coverage is uneven: Xiaomi MiMo-V2.5-Pro has $1/1M input tokens and Mistral Medium 3 Instruct has no token price sourced yet. Provider availability is 1 tracked routes versus 2. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.
Choose Xiaomi MiMo-V2.5-Pro when coding workflow support and larger context windows are central to the workload. Choose Mistral Medium 3 Instruct when provider fit 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. It also helps separate model capability from provider packaging, which can change cost and latency.
FAQ
Which has a larger context window, Xiaomi MiMo-V2.5-Pro or Mistral Medium 3 Instruct?
Xiaomi MiMo-V2.5-Pro supports 1M tokens, while Mistral Medium 3 Instruct supports 128K tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Is Xiaomi MiMo-V2.5-Pro or Mistral Medium 3 Instruct open source?
Xiaomi MiMo-V2.5-Pro is listed under Proprietary. Mistral Medium 3 Instruct is listed under 1. 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 function calling, Xiaomi MiMo-V2.5-Pro or Mistral Medium 3 Instruct?
Xiaomi MiMo-V2.5-Pro has the clearer documented function calling signal in this comparison. If function calling is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Which is better for tool use, Xiaomi MiMo-V2.5-Pro or Mistral Medium 3 Instruct?
Xiaomi MiMo-V2.5-Pro has the clearer documented tool use signal in this comparison. If tool use is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Which is better for structured outputs, Xiaomi MiMo-V2.5-Pro or Mistral Medium 3 Instruct?
Xiaomi MiMo-V2.5-Pro has the clearer documented structured outputs signal in this comparison. If structured outputs 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 Mistral Medium 3 Instruct?
Xiaomi MiMo-V2.5-Pro is available on OpenRouter. Mistral Medium 3 Instruct is available on NVIDIA NIM and Mistral AI Studio. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
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Last reviewed: 2026-05-11. Data sourced from public model cards and provider documentation.