LLM Reference

Llama 3.1 Swallow 70B Instruct vs Qwen2-72B

Llama 3.1 Swallow 70B Instruct (2025) and Qwen2-72B (2024) are compact production models from Tokyo Institute of Technology and Alibaba. Llama 3.1 Swallow 70B Instruct ships a 4K-token context window, while Qwen2-72B ships a 128K-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.

Qwen2-72B fits 32x more tokens; pick it for long-context work and Llama 3.1 Swallow 70B Instruct for tighter calls.

Decision scorecard

Local evidence first
SignalLlama 3.1 Swallow 70B InstructQwen2-72B
Decision fitGeneralCoding, RAG, and Long context
Context window4K128K
Cheapest output-$0.65/1M tokens
Provider routes1 tracked4 tracked
Shared benchmarks0 rows0 rows

Decision tradeoffs

Choose Llama 3.1 Swallow 70B Instruct when...
  • 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.
Choose Qwen2-72B when...
  • Qwen2-72B has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Qwen2-72B has broader tracked provider coverage for fallback and procurement flexibility.
  • Qwen2-72B uniquely exposes Structured outputs in local model data.
  • Local decision data tags Qwen2-72B for Coding, RAG, and Long context.

Monthly cost at traffic

Estimate token spend from the cheapest tracked input and output prices on this page.

Llama 3.1 Swallow 70B Instruct

Unavailable

No complete token price in local provider data

Qwen2-72B

$523

Cheapest tracked route: DeepInfra

Cost delta unavailable until both models have sourced input and output token prices.

Switch friction

Llama 3.1 Swallow 70B Instruct -> Qwen2-72B
  • No overlapping tracked provider route is sourced for Llama 3.1 Swallow 70B Instruct and Qwen2-72B; plan for SDK, billing, or endpoint changes.
  • Qwen2-72B adds Structured outputs in local capability data.
Qwen2-72B -> Llama 3.1 Swallow 70B Instruct
  • No overlapping tracked provider route is sourced for Qwen2-72B and Llama 3.1 Swallow 70B Instruct; plan for SDK, billing, or endpoint changes.
  • Check replacement coverage for Structured outputs before moving production traffic.

Specs

Specification
Released2025-01-012024-06-05
Context window4K128K
Parameters70B72.71B
Architecturedecoder onlydecoder only
License1Apache 2.0
Knowledge cutoff2023-

Pricing and availability

Pricing attributeLlama 3.1 Swallow 70B InstructQwen2-72B
Input price-$0.45/1M tokens
Output price-$0.65/1M tokens
Providers

Capabilities

CapabilityLlama 3.1 Swallow 70B InstructQwen2-72B
VisionNoNo
MultimodalNoNo
ReasoningNoNo
Function callingNoNo
Tool useNoNo
Structured outputsNoYes
Code executionNoNo

Benchmarks

No shared benchmark rows are currently sourced for this pair.

Deep dive

The capability footprint differs most on structured outputs: Qwen2-72B. 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 Qwen2-72B has $0.45/1M input tokens. Provider availability is 1 tracked routes versus 4. 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 Qwen2-72B 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, Llama 3.1 Swallow 70B Instruct or Qwen2-72B?

Qwen2-72B supports 128K 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 Qwen2-72B open source?

Llama 3.1 Swallow 70B Instruct is listed under 1. Qwen2-72B 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 structured outputs, Llama 3.1 Swallow 70B Instruct or Qwen2-72B?

Qwen2-72B 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 Llama 3.1 Swallow 70B Instruct and Qwen2-72B?

Llama 3.1 Swallow 70B Instruct is available on NVIDIA NIM. Qwen2-72B is available on Fireworks AI, DeepInfra, Together AI, and Microsoft Foundry. Provider coverage can affect latency, region availability, compliance posture, and fallback options.

When should I pick Llama 3.1 Swallow 70B Instruct over Qwen2-72B?

Qwen2-72B fits 32x 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 Qwen2-72B.

Continue comparing

Last reviewed: 2026-05-16. Data sourced from public model cards and provider documentation.