Xiaomi MiMo-V2.5-Pro vs Mistral Medium 3.5
Xiaomi MiMo-V2.5-Pro (2026) and Mistral Medium 3.5 (2026) compare a coding-specialized model against a standalone API model. Xiaomi MiMo-V2.5-Pro ships a 1.05m-token context window, while Mistral Medium 3.5 ships a 256k-token context window. On MMLU PRO, Mistral Medium 3.5 leads by 11.3 pts. On pricing, Xiaomi MiMo-V2.5-Pro costs $0.43/1M input tokens versus $1.50/1M for the alternative. This page treats the result as workflow and deployment fit, not a universal model winner.
Treat this as a product-type comparison: Xiaomi MiMo-V2.5-Pro is coding-specialized model, while Mistral Medium 3.5 is standalone API model. Choose based on workflow fit before reading any benchmark or price row as decisive.
Decision scorecard
Local evidence first| Signal | Xiaomi MiMo-V2.5-Pro | Mistral Medium 3.5 |
|---|---|---|
| Product type | Coding-specialized model | Standalone API model |
| Best for | custom coding agents, code generation, and tool loops | reasoning-heavy apps, multimodal apps, and tool-calling agents |
| Decision fit | Coding, RAG, and Agents | Coding, RAG, and Agents |
| Context window | 1.05m | 256k |
| Cheapest output | $0.87/1M tokens | $7.50/1M tokens |
| Provider routes | 3 tracked | 3 tracked |
| Shared benchmarks | 3 rows | MMLU PRO leader |
Decision tradeoffs
- Xiaomi MiMo-V2.5-Pro holds a shared-benchmark lead on SWE-bench Verified, ahead by 1.3 points.
- Xiaomi MiMo-V2.5-Pro has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Xiaomi MiMo-V2.5-Pro has the lower cheapest tracked output price at $0.87/1M tokens.
- Local decision data tags Xiaomi MiMo-V2.5-Pro for Coding, RAG, and Agents.
- Mistral Medium 3.5 holds a shared-benchmark lead on MMLU PRO, ahead by 11.3 points.
- Mistral Medium 3.5 uniquely exposes Vision, Multimodal, and Reasoning in local model data.
- Local decision data tags Mistral Medium 3.5 for Coding, RAG, and Agents.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
Xiaomi MiMo-V2.5-Pro
$566
Cheapest tracked route/tier: OpenRouter
Mistral Medium 3.5
$3,075
Cheapest tracked route/tier: Mistral AI Studio
Estimated monthly gap: $2,510. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.
Switch friction
- Provider overlap exists on OpenRouter; start route-level A/B tests there.
- Mistral Medium 3.5 is $6.63/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- Mistral Medium 3.5 adds Vision, Multimodal, and Reasoning in local capability data.
- Provider overlap exists on OpenRouter; start route-level A/B tests there.
- Xiaomi MiMo-V2.5-Pro is $6.63/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- Check replacement coverage for Vision, Multimodal, and Reasoning before moving production traffic.
Specs
| Specification | ||
|---|---|---|
| Released | 2026-04-22 | 2026-04-29 |
| Context window | 1.05m | 256k |
| Parameters | 1T | 128B |
| Architecture | mixture of experts | decoder only |
| License | Proprietary | Proprietary |
| Openness | Proprietary | Proprietary |
| Commercial use | Commercial use with conditions | Commercial use with conditions |
| Knowledge cutoff | - | - |
Pricing and availability
| Pricing attribute | Xiaomi MiMo-V2.5-Pro | Mistral Medium 3.5 |
|---|---|---|
| Input price | $0.43/1M tokens | $1.50/1M tokens |
| Output price | $0.87/1M tokens | $7.50/1M tokens |
| Providers |
Capabilities
| Capability | Xiaomi MiMo-V2.5-Pro | Mistral Medium 3.5 |
|---|---|---|
| Vision | No | Yes |
| Multimodal | No | Yes |
| Reasoning | No | Yes |
| Function calling | Yes | Yes |
| Tool use | Yes | Yes |
| Structured outputs | Yes | Yes |
| Code execution | No | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
| Benchmark | Xiaomi MiMo-V2.5-Pro | Mistral Medium 3.5 |
|---|---|---|
| MMLU PRO | 68.5 | 79.8 |
| SWE-bench Verified | 78.9 | 77.6 |
| Google-Proof Q&A | 66.7 | 71.3 |
Deep dive
On shared benchmark coverage, MMLU PRO has Xiaomi MiMo-V2.5-Pro at 68.5 and Mistral Medium 3.5 at 79.8, with Mistral Medium 3.5 ahead by 11.3 points; SWE-bench Verified has Xiaomi MiMo-V2.5-Pro at 78.9 and Mistral Medium 3.5 at 77.6, with Xiaomi MiMo-V2.5-Pro ahead by 1.3 points; Google-Proof Q&A has Xiaomi MiMo-V2.5-Pro at 66.7 and Mistral Medium 3.5 at 71.3, with Mistral Medium 3.5 ahead by 4.6 points. The largest visible gap is 11.3 points on MMLU PRO, which matters most when that benchmark mirrors your workload. Treat isolated benchmark wins as directional, because provider routing, prompt style, and tool access can move real application results.
The capability footprint differs most on vision: Mistral Medium 3.5, multimodal input: Mistral Medium 3.5, and reasoning mode: Mistral Medium 3.5. Both models share function calling, tool use, and structured outputs, 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 $0.43/1M input and $0.87/1M output tokens on the cheapest tracked provider, while Mistral Medium 3.5 lists $1.50/1M input and $7.50/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts Xiaomi MiMo-V2.5-Pro lower by about $2.73 per million blended tokens. Availability is 3 providers versus 3, so concentration risk also matters.
Choose Xiaomi MiMo-V2.5-Pro when coding workflow support, larger context windows, and lower input-token cost are central to the workload. Choose Mistral Medium 3.5 when reasoning depth are more important. For production, rerun your own prompts through the exact provider, region, and tool stack you plan to ship.
FAQ
Which has a larger context window, Xiaomi MiMo-V2.5-Pro or Mistral Medium 3.5?
Xiaomi MiMo-V2.5-Pro supports 1.05m tokens, while Mistral Medium 3.5 supports 256k 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 Mistral Medium 3.5?
Xiaomi MiMo-V2.5-Pro is cheaper on tracked token pricing. Xiaomi MiMo-V2.5-Pro costs $0.43/1M input and $0.87/1M output tokens. Mistral Medium 3.5 costs $1.50/1M input and $7.50/1M output tokens. Provider discounts or batch pricing can still change the final bill.
Is Xiaomi MiMo-V2.5-Pro or Mistral Medium 3.5 open source?
Xiaomi MiMo-V2.5-Pro is listed under Proprietary. Mistral Medium 3.5 is listed under Proprietary. 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 Mistral Medium 3.5?
Mistral Medium 3.5 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 Mistral Medium 3.5?
Mistral Medium 3.5 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 Mistral Medium 3.5?
Xiaomi MiMo-V2.5-Pro is available on OpenRouter, Xiaomi, and Novita AI. Mistral Medium 3.5 is available on Mistral AI Studio, OpenRouter, and Vercel AI Gateway. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
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Last reviewed: 2026-05-26. Data sourced from public model cards and provider documentation.