Marin 8B Instruct vs Swallow 30B
Marin 8B Instruct (2025) and Swallow 30B (2025) are compact production models from Marin and Tokyo Institute of Technology. Marin 8B Instruct ships a 128K-token context window, while Swallow 30B ships a 16K-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.
Marin 8B Instruct fits 8x more tokens; pick it for long-context work and Swallow 30B for tighter calls.
Decision scorecard
Local evidence first| Signal | Marin 8B Instruct | Swallow 30B |
|---|---|---|
| Decision fit | Long context | General |
| Context window | 128K | 16K |
| Cheapest output | - | - |
| Provider routes | 1 tracked | 0 tracked |
| Shared benchmarks | 0 rows | 0 rows |
Decision tradeoffs
- Marin 8B Instruct has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Marin 8B Instruct has broader tracked provider coverage for fallback and procurement flexibility.
- Local decision data tags Marin 8B Instruct for Long context.
- Use Swallow 30B 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.
Marin 8B Instruct
Unavailable
No complete token price in local provider data
Swallow 30B
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 Marin 8B Instruct and Swallow 30B; plan for SDK, billing, or endpoint changes.
- No overlapping tracked provider route is sourced for Swallow 30B and Marin 8B Instruct; plan for SDK, billing, or endpoint changes.
Specs
| Specification | ||
|---|---|---|
| Released | 2025-09-01 | 2025-02-14 |
| Context window | 128K | 16K |
| Parameters | 8B | 30B |
| Architecture | decoder only | - |
| License | 1 | Open Source |
| Knowledge cutoff | - | - |
Pricing and availability
| Pricing attribute | Marin 8B Instruct | Swallow 30B |
|---|---|---|
| Input price | - | - |
| Output price | - | - |
| Providers | - |
Pricing not yet sourced for either model.
Capabilities
| Capability | Marin 8B Instruct | Swallow 30B |
|---|---|---|
| Vision | No | No |
| Multimodal | No | No |
| Reasoning | No | No |
| Function calling | No | No |
| Tool use | No | No |
| Structured outputs | No | No |
| Code execution | No | No |
Benchmarks
No shared benchmark rows are currently sourced for this pair.
Deep dive
The capability footprint is close: both models cover the core production surface. That makes context budget, benchmark fit, and provider maturity more important than a simple checklist. If your application depends on one integration detail, verify it against the provider route you plan to use, not just the base model listing.
Pricing coverage is uneven: Marin 8B Instruct has no token price sourced yet and Swallow 30B has no token price sourced yet. Provider availability is 1 tracked routes versus 0. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.
Choose Marin 8B Instruct when long-context analysis, larger context windows, and broader provider choice are central to the workload. Choose Swallow 30B 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. 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, Marin 8B Instruct or Swallow 30B?
Marin 8B Instruct supports 128K tokens, while Swallow 30B supports 16K tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Is Marin 8B Instruct or Swallow 30B open source?
Marin 8B Instruct is listed under 1. Swallow 30B 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.
Where can I run Marin 8B Instruct and Swallow 30B?
Marin 8B Instruct is available on NVIDIA NIM. Swallow 30B is available on the tracked providers still being sourced. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
When should I pick Marin 8B Instruct over Swallow 30B?
Marin 8B Instruct fits 8x more tokens; pick it for long-context work and Swallow 30B for tighter calls. If your workload also depends on long-context analysis, start with Marin 8B Instruct; if it depends on provider fit, run the same evaluation with Swallow 30B.
Continue comparing
Last reviewed: 2026-05-01. Data sourced from public model cards and provider documentation.