LLM Reference

ELYZA Japanese Llama 2 7B vs Swallow 30B

ELYZA Japanese Llama 2 7B (2023) and Swallow 30B (2025) are compact production models from ELYZA and Tokyo Institute of Technology. ELYZA Japanese Llama 2 7B ships a not-yet-sourced context window, while Swallow 30B ships a 16k-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.

Swallow 30B is safer overall; choose ELYZA Japanese Llama 2 7B when provider fit matters.

Decision scorecard

Local evidence first
SignalELYZA Japanese Llama 2 7BSwallow 30B
Best forprovider-routed productiongeneral production evaluation
Decision fitGeneralGeneral
Context window16k
Cheapest output$0.20/1M tokens-
Provider routes2 tracked0 tracked
Shared benchmarks0 rows0 rows

Decision tradeoffs

Choose ELYZA Japanese Llama 2 7B when...
  • ELYZA Japanese Llama 2 7B has broader tracked provider coverage for fallback and procurement flexibility.
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 route or tier on this page.

ELYZA Japanese Llama 2 7B

$210

Cheapest tracked route/tier: Fireworks AI

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

ELYZA Japanese Llama 2 7B -> Swallow 30B
  • No overlapping tracked provider route is sourced for ELYZA Japanese Llama 2 7B and Swallow 30B; plan for SDK, billing, or endpoint changes.
Swallow 30B -> ELYZA Japanese Llama 2 7B
  • No overlapping tracked provider route is sourced for Swallow 30B and ELYZA Japanese Llama 2 7B; plan for SDK, billing, or endpoint changes.

Specs

Specification
Released2023-08-022025-02-14
Context window16k
Parameters7B30B
Architecturedecoder only-
LicenseLlama 2 CommunityLlama 2 Community
OpennessOpen weightsOpen weights
Commercial useCommercial use with conditionsCommercial use with conditions
Knowledge cutoff-2023

Pricing and availability

Pricing attributeELYZA Japanese Llama 2 7BSwallow 30B
Input price$0.20/1M tokens-
Output price$0.20/1M tokens-
Providers-

Capabilities

CapabilityELYZA Japanese Llama 2 7BSwallow 30B
VisionNoNo
MultimodalNoNo
ReasoningNoNo
Function callingNoNo
Tool useNoNo
Structured outputsNoNo
Code executionNoNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

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: ELYZA Japanese Llama 2 7B has $0.20/1M input tokens and Swallow 30B has no token price sourced yet. Provider availability is 2 tracked routes versus 0. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.

Choose ELYZA Japanese Llama 2 7B when provider fit 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

Is ELYZA Japanese Llama 2 7B or Swallow 30B open source?

ELYZA Japanese Llama 2 7B is listed under Llama 2 Community. Swallow 30B is listed under Llama 2 Community. 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 ELYZA Japanese Llama 2 7B and Swallow 30B?

ELYZA Japanese Llama 2 7B is available on Fireworks AI and IBM watsonx. 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 ELYZA Japanese Llama 2 7B over Swallow 30B?

Swallow 30B is safer overall; choose ELYZA Japanese Llama 2 7B when provider fit matters. If your workload also depends on provider fit, start with ELYZA Japanese Llama 2 7B; if it depends on provider fit, run the same evaluation with Swallow 30B.

What is the main difference between ELYZA Japanese Llama 2 7B and Swallow 30B?

ELYZA Japanese Llama 2 7B and Swallow 30B differ most on context, provider coverage, capabilities, or pricing depending on the data currently sourced. Use the specs table first, then validate the model behavior with your own prompts.

Continue comparing

Last reviewed: 2026-05-19. Data sourced from public model cards and provider documentation.