Xiaomi MiMo-V2.5 vs Swallow 13B Instruct
Xiaomi MiMo-V2.5 (2026) and Swallow 13B Instruct (2024) are frontier reasoning models from Xiaomi and Tokyo Institute of Technology. Xiaomi MiMo-V2.5 ships a 1.05m-token context window, while Swallow 13B Instruct ships a 8k-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.
Xiaomi MiMo-V2.5 fits 128x more tokens; pick it for long-context work and Swallow 13B Instruct for tighter calls.
Decision scorecard
Local evidence first| Signal | Xiaomi MiMo-V2.5 | Swallow 13B Instruct |
|---|---|---|
| Best for | reasoning-heavy apps, multimodal apps, and tool-calling agents | general production evaluation |
| Decision fit | RAG, Agents, and Long context | General |
| Context window | 1.05m | 8k |
| Cheapest output | $0.28/1M tokens | - |
| Provider routes | 2 tracked | 0 tracked |
| Shared benchmarks | 0 rows | 0 rows |
Decision tradeoffs
- Xiaomi MiMo-V2.5 has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Xiaomi MiMo-V2.5 has broader tracked provider coverage for fallback and procurement flexibility.
- Xiaomi MiMo-V2.5 uniquely exposes Vision, Multimodal, and Reasoning in local model data.
- Local decision data tags Xiaomi MiMo-V2.5 for RAG, Agents, and Long context.
- Use Swallow 13B Instruct when your own prompt tests beat the comparison signals; the local data does not show a decisive standalone advantage yet.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
Xiaomi MiMo-V2.5
$182
Cheapest tracked route/tier: OpenRouter
Swallow 13B 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 and Swallow 13B Instruct; plan for SDK, billing, or endpoint changes.
- Check replacement coverage for Vision, Multimodal, and Reasoning before moving production traffic.
- No overlapping tracked provider route is sourced for Swallow 13B Instruct and Xiaomi MiMo-V2.5; plan for SDK, billing, or endpoint changes.
- Xiaomi MiMo-V2.5 adds Vision, Multimodal, and Reasoning in local capability data.
Specs
| Specification | ||
|---|---|---|
| Released | 2026-04-22 | 2024-12-10 |
| Context window | 1.05m | 8k |
| Parameters | — | 13B |
| Architecture | - | - |
| License | Proprietary | Llama 2 Community |
| Openness | Proprietary | Open weights |
| Commercial use | Commercial use with conditions | Commercial use with conditions |
| Knowledge cutoff | - | 2023 |
Pricing and availability
| Pricing attribute | Xiaomi MiMo-V2.5 | Swallow 13B Instruct |
|---|---|---|
| Input price | $0.14/1M tokens | - |
| Output price | $0.28/1M tokens | - |
| Providers | - |
Capabilities
| Capability | Xiaomi MiMo-V2.5 | Swallow 13B Instruct |
|---|---|---|
| Vision | Yes | No |
| Multimodal | Yes | No |
| Reasoning | Yes | No |
| Function calling | Yes | No |
| Tool use | Yes | No |
| Structured outputs | Yes | No |
| Code execution | No | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
No shared benchmark rows are currently sourced for this pair.
Deep dive
The capability footprint differs most on vision: Xiaomi MiMo-V2.5, multimodal input: Xiaomi MiMo-V2.5, reasoning mode: Xiaomi MiMo-V2.5, function calling: Xiaomi MiMo-V2.5, tool use: Xiaomi MiMo-V2.5, and structured outputs: Xiaomi MiMo-V2.5. 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 has $0.14/1M input tokens and Swallow 13B Instruct has no token price sourced yet. Provider availability is 2 tracked routes versus 0. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.
Choose Xiaomi MiMo-V2.5 when reasoning depth, larger context windows, and broader provider choice are central to the workload. Choose Swallow 13B Instruct when provider fit 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 or Swallow 13B Instruct?
Xiaomi MiMo-V2.5 supports 1.05m tokens, while Swallow 13B Instruct supports 8k 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 or Swallow 13B Instruct open source?
Xiaomi MiMo-V2.5 is listed under Proprietary. Swallow 13B Instruct is listed under Llama 2 Community. 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 or Swallow 13B Instruct?
Xiaomi 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, Xiaomi MiMo-V2.5 or Swallow 13B Instruct?
Xiaomi 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, Xiaomi MiMo-V2.5 or Swallow 13B Instruct?
Xiaomi MiMo-V2.5 has the clearer documented reasoning mode signal in this comparison. If reasoning mode 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 and Swallow 13B Instruct?
Xiaomi MiMo-V2.5 is available on OpenRouter and Xiaomi. Swallow 13B Instruct is available on the tracked providers still being sourced. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
Continue comparing
Last reviewed: 2026-05-26. Data sourced from public model cards and provider documentation.