Magistral Small 2506 vs MiMo-V2.5
Magistral Small 2506 (2025) and MiMo-V2.5 (2026) are frontier-tier reasoning models from MistralAI and Xiaomi. Magistral Small 2506 ships a 128K-token context window, while MiMo-V2.5 ships a 1M-token context window. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads. It focuses on practical selection signals rather than broad model-family marketing.
MiMo-V2.5 fits 8x more tokens; pick it for long-context work and Magistral Small 2506 for tighter calls.
Decision scorecard
Local evidence first| Signal | Magistral Small 2506 | MiMo-V2.5 |
|---|---|---|
| Best for | reasoning-heavy apps | reasoning-heavy apps, multimodal apps, and tool-calling agents |
| Decision fit | Long context | RAG, Agents, and Long context |
| Context window | 128K | 1M |
| Cheapest output | - | $0.28/1M tokens |
| Provider routes | 1 tracked | 2 tracked |
| Shared benchmarks | 0 shared | 0 shared |
Decision tradeoffs
- Local decision data tags Magistral Small 2506 for Long context.
- MiMo-V2.5 has the larger context window for long prompts, retrieval packs, or transcript analysis.
- MiMo-V2.5 has broader tracked provider coverage for fallback and route flexibility.
- MiMo-V2.5 uniquely exposes Vision, Multimodal, and JSON / Tool use in local model data.
- Local decision data tags MiMo-V2.5 for RAG, Agents, and Long context.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
Magistral Small 2506
Unavailable
No complete token price in local provider data
MiMo-V2.5
$182
Cheapest tracked route/tier: OpenRouter
Cost delta unavailable until both models have sourced input and output token prices.
Switch friction
- No overlapping tracked provider route is sourced for Magistral Small 2506 and MiMo-V2.5; plan for SDK, billing, or endpoint changes.
- MiMo-V2.5 adds Vision, Multimodal, and JSON / Tool use in local capability data.
- No overlapping tracked provider route is sourced for MiMo-V2.5 and Magistral Small 2506; plan for SDK, billing, or endpoint changes.
- Check replacement coverage for Vision, Multimodal, and JSON / Tool use before moving production traffic.
Specs
| Specification | ||
|---|---|---|
| Released | 2025-06-10 | 2026-04-22 |
| Context window | 128K | 1M |
| Parameters | 24B | — |
| Architecture | Decoder Only | - |
| License | Apache 2.0OSI-approved | Proprietary |
| Openness | Open source | Proprietary |
| Weights | Unknown | Not released |
| Code | Unknown | Unknown |
| Commercial use | Permitted | Restricted |
| Knowledge cutoff | 2025-06 | - |
Pricing and availability
| Pricing attribute | Magistral Small 2506 | MiMo-V2.5 |
|---|---|---|
| Input price | - | $0.14/1M tokens |
| Output price | - | $0.28/1M tokens |
| Providers |
Capabilities
| Capability | Magistral Small 2506 | MiMo-V2.5 |
|---|---|---|
| Vision | No | Yes |
| Multimodal | No | Yes |
| Reasoning | Yes | Yes |
| JSON / Tool use | No | Yes |
| Structured outputs | No | Yes |
| Code execution | No | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
No shared benchmark scores are currently available for this pair.
Deep dive
The capability footprint differs most on vision: MiMo-V2.5, multimodal input: MiMo-V2.5, JSON / Tool use: MiMo-V2.5, JSON / Tool use: MiMo-V2.5, and structured outputs: MiMo-V2.5. Both models share reasoning mode, 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: Magistral Small 2506 has no token price sourced yet and MiMo-V2.5 has $0.14/1M input tokens. 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 Magistral Small 2506 when provider fit are central to the workload. Choose MiMo-V2.5 when long-context analysis, larger context windows, 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. For teams standardizing a stack, that distinction is often the difference between a benchmark win and a reliable deployment.
FAQ
Which has a larger context window, Magistral Small 2506 or MiMo-V2.5?
MiMo-V2.5 supports 1M tokens, while Magistral Small 2506 supports 128K tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Is Magistral Small 2506 or MiMo-V2.5 open source?
Magistral Small 2506 is listed under Apache 2.0. MiMo-V2.5 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, Magistral Small 2506 or MiMo-V2.5?
MiMo-V2.5 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. Use this as a quick comparison signal, then confirm the provider-specific limits before committing to production.
Which is better for multimodal input, Magistral Small 2506 or MiMo-V2.5?
MiMo-V2.5 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.
Which is better for reasoning mode, Magistral Small 2506 or MiMo-V2.5?
Both Magistral Small 2506 and MiMo-V2.5 expose reasoning mode. The better choice depends on benchmark fit, context budget, pricing, and whether your provider route exposes the same capability surface. Use this as a quick comparison signal, then confirm the provider-specific limits before committing to production.
Where can I run Magistral Small 2506 and MiMo-V2.5?
Magistral Small 2506 is available on NVIDIA NIM. MiMo-V2.5 is available on OpenRouter and Xiaomi. Provider coverage can affect latency, region availability, compliance posture, and fallback options. Use this as a quick comparison signal, then confirm the provider-specific limits before committing to production.
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Last reviewed: 2026-10-20. Data sourced from public model cards and provider documentation.