Mistral Small 3.1 24B Instruct vs Swallow 13B Instruct
Mistral Small 3.1 24B Instruct (2025) and Swallow 13B Instruct (2024) are compact production models from MistralAI and Tokyo Institute of Technology. Mistral Small 3.1 24B Instruct ships a 128K-token context window, while Swallow 13B Instruct ships a 8K-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.
Mistral Small 3.1 24B Instruct fits 16x more tokens; pick it for long-context work and Swallow 13B Instruct for tighter calls.
Decision scorecard
Local evidence first| Signal | Mistral Small 3.1 24B Instruct | Swallow 13B Instruct |
|---|---|---|
| Decision fit | RAG, Long context, and Vision | General |
| Context window | 128K | 8K |
| Cheapest output | $0.3/1M tokens | - |
| Provider routes | 5 tracked | 0 tracked |
| Shared benchmarks | 0 rows | 0 rows |
Decision tradeoffs
- Mistral Small 3.1 24B Instruct has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Mistral Small 3.1 24B Instruct has broader tracked provider coverage for fallback and procurement flexibility.
- Mistral Small 3.1 24B Instruct uniquely exposes Vision, Multimodal, and Structured outputs in local model data.
- Local decision data tags Mistral Small 3.1 24B Instruct for RAG, Long context, and Vision.
- 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 prices on this page.
Mistral Small 3.1 24B Instruct
$155
Cheapest tracked route: Together AI
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 Mistral Small 3.1 24B Instruct and Swallow 13B Instruct; plan for SDK, billing, or endpoint changes.
- Check replacement coverage for Vision, Multimodal, and Structured outputs before moving production traffic.
- No overlapping tracked provider route is sourced for Swallow 13B Instruct and Mistral Small 3.1 24B Instruct; plan for SDK, billing, or endpoint changes.
- Mistral Small 3.1 24B Instruct adds Vision, Multimodal, and Structured outputs in local capability data.
Specs
| Specification | ||
|---|---|---|
| Released | 2025-12-15 | 2024-12-10 |
| Context window | 128K | 8K |
| Parameters | 24B | 13B |
| Architecture | dense | - |
| License | Apache 2.0 | Open Source |
| Knowledge cutoff | 2023-10 | 2023 |
Pricing and availability
| Pricing attribute | Mistral Small 3.1 24B Instruct | Swallow 13B Instruct |
|---|---|---|
| Input price | $0.1/1M tokens | - |
| Output price | $0.3/1M tokens | - |
| Providers | - |
Capabilities
| Capability | Mistral Small 3.1 24B Instruct | Swallow 13B Instruct |
|---|---|---|
| Vision | Yes | No |
| Multimodal | Yes | No |
| Reasoning | No | No |
| Function calling | No | No |
| Tool use | No | 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 vision: Mistral Small 3.1 24B Instruct, multimodal input: Mistral Small 3.1 24B Instruct, and structured outputs: Mistral Small 3.1 24B Instruct. 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: Mistral Small 3.1 24B Instruct has $0.1/1M input tokens and Swallow 13B Instruct has no token price sourced yet. Provider availability is 5 tracked routes versus 0. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.
Choose Mistral Small 3.1 24B Instruct when long-context analysis, 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, Mistral Small 3.1 24B Instruct or Swallow 13B Instruct?
Mistral Small 3.1 24B Instruct supports 128K 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 Mistral Small 3.1 24B Instruct or Swallow 13B Instruct open source?
Mistral Small 3.1 24B Instruct is listed under Apache 2.0. Swallow 13B 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, Mistral Small 3.1 24B Instruct or Swallow 13B Instruct?
Mistral Small 3.1 24B 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, Mistral Small 3.1 24B Instruct or Swallow 13B Instruct?
Mistral Small 3.1 24B 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.
Which is better for structured outputs, Mistral Small 3.1 24B Instruct or Swallow 13B Instruct?
Mistral Small 3.1 24B Instruct 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 Mistral Small 3.1 24B Instruct and Swallow 13B Instruct?
Mistral Small 3.1 24B Instruct is available on OpenRouter, Fireworks AI, NVIDIA NIM, Together AI, and Mistral AI Studio. Swallow 13B Instruct is available on the tracked providers still being sourced. 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.