LLM Reference

Llama 2 13B Chat vs Swallow 30B

Llama 2 13B Chat (2023) and Swallow 30B (2025) are compact production models from AI at Meta and Tokyo Institute of Technology. Llama 2 13B Chat ships a 4K-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.

Swallow 30B fits 4x more tokens; pick it for long-context work and Llama 2 13B Chat for tighter calls.

Decision scorecard

Local evidence first
SignalLlama 2 13B ChatSwallow 30B
Decision fitCoding, Classification, and JSON / Tool useGeneral
Context window4K16K
Cheapest output$0.5/1M tokens-
Provider routes12 tracked0 tracked
Shared benchmarks0 rows0 rows

Decision tradeoffs

Choose Llama 2 13B Chat when...
  • Llama 2 13B Chat has broader tracked provider coverage for fallback and procurement flexibility.
  • Llama 2 13B Chat uniquely exposes Structured outputs in local model data.
  • Local decision data tags Llama 2 13B Chat for Coding, Classification, and JSON / Tool use.
Choose Swallow 30B when...
  • Swallow 30B has the larger context window for long prompts, retrieval packs, or transcript analysis.

Monthly cost at traffic

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

Llama 2 13B Chat

$205

Cheapest tracked route: Replicate API

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

Llama 2 13B Chat -> Swallow 30B
  • No overlapping tracked provider route is sourced for Llama 2 13B Chat and Swallow 30B; plan for SDK, billing, or endpoint changes.
  • Check replacement coverage for Structured outputs before moving production traffic.
Swallow 30B -> Llama 2 13B Chat
  • No overlapping tracked provider route is sourced for Swallow 30B and Llama 2 13B Chat; plan for SDK, billing, or endpoint changes.
  • Llama 2 13B Chat adds Structured outputs in local capability data.

Specs

Specification
Released2023-07-182025-02-14
Context window4K16K
Parameters13B30B
Architecturedecoder only-
LicenseOpen SourceOpen Source
Knowledge cutoff2022-092023

Pricing and availability

Pricing attributeLlama 2 13B ChatSwallow 30B
Input price$0.1/1M tokens-
Output price$0.5/1M tokens-
Providers-

Capabilities

CapabilityLlama 2 13B ChatSwallow 30B
VisionNoNo
MultimodalNoNo
ReasoningNoNo
Function callingNoNo
Tool useNoNo
Structured outputsYesNo
Code executionNoNo

Benchmarks

No shared benchmark rows are currently sourced for this pair.

Deep dive

The capability footprint differs most on structured outputs: Llama 2 13B Chat. 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 2 13B Chat has $0.1/1M input tokens and Swallow 30B has no token price sourced yet. Provider availability is 12 tracked routes versus 0. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.

Choose Llama 2 13B Chat when provider fit and broader provider choice are central to the workload. Choose Swallow 30B 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. 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 2 13B Chat or Swallow 30B?

Swallow 30B supports 16K tokens, while Llama 2 13B Chat 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 2 13B Chat or Swallow 30B open source?

Llama 2 13B Chat is listed under Open Source. 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.

Which is better for structured outputs, Llama 2 13B Chat or Swallow 30B?

Llama 2 13B Chat 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 2 13B Chat and Swallow 30B?

Llama 2 13B Chat is available on Alibaba Cloud PAI-EAS, AWS Bedrock, Microsoft Foundry, GCP Vertex AI, and Cloudflare Workers AI. 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 Llama 2 13B Chat over Swallow 30B?

Swallow 30B fits 4x more tokens; pick it for long-context work and Llama 2 13B Chat for tighter calls. If your workload also depends on provider fit, start with Llama 2 13B Chat; if it depends on long-context analysis, run the same evaluation with Swallow 30B.

Continue comparing

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