Llama 3.1 Swallow 70B Instruct vs Nemotron 3 Nano
Llama 3.1 Swallow 70B Instruct (2025) and Nemotron 3 Nano (2025) are compact production models from Tokyo Institute of Technology and NVIDIA AI. Llama 3.1 Swallow 70B Instruct ships a 4k-token context window, while Nemotron 3 Nano ships a 256k-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.
Nemotron 3 Nano fits 64x more tokens; pick it for long-context work and Llama 3.1 Swallow 70B Instruct for tighter calls.
Decision scorecard
Local evidence first| Signal | Llama 3.1 Swallow 70B Instruct | Nemotron 3 Nano |
|---|---|---|
| Best for | general production evaluation | tool-calling agents |
| Decision fit | General | RAG, Agents, and Long context |
| Context window | 4k | 256k |
| Cheapest output | - | - |
| Provider routes | 1 tracked | 1 tracked |
| Shared benchmarks | 0 rows | 0 rows |
Decision tradeoffs
- Use Llama 3.1 Swallow 70B Instruct when your own prompt tests beat the comparison signals; the local data does not show a decisive standalone advantage yet.
- Nemotron 3 Nano has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Nemotron 3 Nano uniquely exposes Function calling and Tool use in local model data.
- Local decision data tags Nemotron 3 Nano 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.
Llama 3.1 Swallow 70B Instruct
Unavailable
No complete token price in local provider data
Nemotron 3 Nano
Unavailable
No complete token price in local provider data
Cost delta unavailable until both models have sourced input and output token prices.
Switch friction
- Provider overlap exists on NVIDIA NIM; start route-level A/B tests there.
- Nemotron 3 Nano adds Function calling and Tool use in local capability data.
- Provider overlap exists on NVIDIA NIM; start route-level A/B tests there.
- Check replacement coverage for Function calling and Tool use before moving production traffic.
Specs
| Specification | ||
|---|---|---|
| Released | 2025-01-01 | 2025-12-15 |
| Context window | 4k | 256k |
| Parameters | 70B | 3.97B |
| Architecture | decoder only | mixture of experts |
| License | 1 | Apache 2.0 |
| Knowledge cutoff | 2023 | - |
Pricing and availability
| Pricing attribute | Llama 3.1 Swallow 70B Instruct | Nemotron 3 Nano |
|---|---|---|
| Input price | - | - |
| Output price | - | - |
| Providers |
Pricing not yet sourced for either model.
Capabilities
| Capability | Llama 3.1 Swallow 70B Instruct | Nemotron 3 Nano |
|---|---|---|
| Vision | No | No |
| Multimodal | No | No |
| Reasoning | No | No |
| Function calling | No | Yes |
| Tool use | No | Yes |
| Structured outputs | No | 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 function calling: Nemotron 3 Nano and tool use: Nemotron 3 Nano. 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: Llama 3.1 Swallow 70B Instruct has no token price sourced yet and Nemotron 3 Nano has no token price sourced yet. Provider availability is 1 tracked routes versus 1. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.
Choose Llama 3.1 Swallow 70B Instruct when provider fit are central to the workload. Choose Nemotron 3 Nano when long-context analysis and larger context windows 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, Llama 3.1 Swallow 70B Instruct or Nemotron 3 Nano?
Nemotron 3 Nano supports 256k tokens, while Llama 3.1 Swallow 70B Instruct supports 4k tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Is Llama 3.1 Swallow 70B Instruct or Nemotron 3 Nano open source?
Llama 3.1 Swallow 70B Instruct is listed under 1. Nemotron 3 Nano is listed under Apache 2.0. 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 function calling, Llama 3.1 Swallow 70B Instruct or Nemotron 3 Nano?
Nemotron 3 Nano has the clearer documented function calling signal in this comparison. If function calling is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Which is better for tool use, Llama 3.1 Swallow 70B Instruct or Nemotron 3 Nano?
Nemotron 3 Nano has the clearer documented tool use signal in this comparison. If tool use is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Where can I run Llama 3.1 Swallow 70B Instruct and Nemotron 3 Nano?
Llama 3.1 Swallow 70B Instruct is available on NVIDIA NIM. Nemotron 3 Nano is available on NVIDIA NIM. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
When should I pick Llama 3.1 Swallow 70B Instruct over Nemotron 3 Nano?
Nemotron 3 Nano fits 64x more tokens; pick it for long-context work and Llama 3.1 Swallow 70B Instruct for tighter calls. If your workload also depends on provider fit, start with Llama 3.1 Swallow 70B Instruct; if it depends on long-context analysis, run the same evaluation with Nemotron 3 Nano.
Continue comparing
Last reviewed: 2026-05-14. Data sourced from public model cards and provider documentation.