LLM Reference

ELYZA Japanese Llama 2 13B vs Llama 2 70B Chat

ELYZA Japanese Llama 2 13B (2023) and Llama 2 70B Chat (2023) are compact production models from ELYZA and AI at Meta. ELYZA Japanese Llama 2 13B ships a not-yet-sourced context window, while Llama 2 70B Chat ships a 4k-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.

ELYZA Japanese Llama 2 13B is safer overall; choose Llama 2 70B Chat when provider fit matters.

Decision scorecard

Local evidence first
SignalELYZA Japanese Llama 2 13BLlama 2 70B Chat
Best forgeneral production evaluationprovider-routed production
Decision fitGeneralClassification and JSON / Tool use
Context window4k
Cheapest output-$1.50/1M tokens
Provider routes0 tracked14 tracked
Shared benchmarks0 rows0 rows

Decision tradeoffs

Choose ELYZA Japanese Llama 2 13B when...
  • Use ELYZA Japanese Llama 2 13B when your own prompt tests beat the comparison signals; the local data does not show a decisive standalone advantage yet.
Choose Llama 2 70B Chat when...
  • Llama 2 70B Chat has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Llama 2 70B Chat has broader tracked provider coverage for fallback and procurement flexibility.
  • Llama 2 70B Chat uniquely exposes Structured outputs in local model data.
  • Local decision data tags Llama 2 70B Chat for Classification and JSON / Tool use.

Monthly cost at traffic

Estimate token spend from the cheapest tracked input and output route or tier on this page.

ELYZA Japanese Llama 2 13B

Unavailable

No complete token price in local provider data

Llama 2 70B Chat

$775

Cheapest tracked route/tier: Databricks Foundation Model Serving

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

Switch friction

ELYZA Japanese Llama 2 13B -> Llama 2 70B Chat
  • No overlapping tracked provider route is sourced for ELYZA Japanese Llama 2 13B and Llama 2 70B Chat; plan for SDK, billing, or endpoint changes.
  • Llama 2 70B Chat adds Structured outputs in local capability data.
Llama 2 70B Chat -> ELYZA Japanese Llama 2 13B
  • No overlapping tracked provider route is sourced for Llama 2 70B Chat and ELYZA Japanese Llama 2 13B; plan for SDK, billing, or endpoint changes.
  • Check replacement coverage for Structured outputs before moving production traffic.

Specs

Specification
Released2023-08-022023-07-18
Context window4k
Parameters13B70B
Architecturedecoder onlydecoder only
LicenseLlama 2 CommunityLlama 2 Community
OpennessOpen weightsOpen weights
Commercial useCommercial use with conditionsCommercial use with conditions
Knowledge cutoff--

Pricing and availability

Pricing attributeELYZA Japanese Llama 2 13BLlama 2 70B Chat
Input price-$0.50/1M tokens
Output price-$1.50/1M tokens
Providers-

Capabilities

CapabilityELYZA Japanese Llama 2 13BLlama 2 70B Chat
VisionNoNo
MultimodalNoNo
ReasoningNoNo
Function callingNoNo
Tool useNoNo
Structured outputsNoYes
Code executionNoNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

No shared benchmark rows are currently sourced for this pair.

Deep dive

The capability footprint differs most on structured outputs: Llama 2 70B 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: ELYZA Japanese Llama 2 13B has no token price sourced yet and Llama 2 70B Chat has $0.50/1M input tokens. Provider availability is 0 tracked routes versus 14. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.

Choose ELYZA Japanese Llama 2 13B when provider fit are central to the workload. Choose Llama 2 70B Chat when provider fit 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

Is ELYZA Japanese Llama 2 13B or Llama 2 70B Chat open source?

ELYZA Japanese Llama 2 13B is listed under Llama 2 Community. Llama 2 70B Chat 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.

Which is better for structured outputs, ELYZA Japanese Llama 2 13B or Llama 2 70B Chat?

Llama 2 70B 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 ELYZA Japanese Llama 2 13B and Llama 2 70B Chat?

ELYZA Japanese Llama 2 13B is available on the tracked providers still being sourced. Llama 2 70B Chat is available on Databricks Foundation Model Serving, Microsoft Foundry, GCP Vertex AI, Alibaba Cloud PAI-EAS, and AWS Bedrock. Provider coverage can affect latency, region availability, compliance posture, and fallback options.

When should I pick ELYZA Japanese Llama 2 13B over Llama 2 70B Chat?

ELYZA Japanese Llama 2 13B is safer overall; choose Llama 2 70B Chat when provider fit matters. If your workload also depends on provider fit, start with ELYZA Japanese Llama 2 13B; if it depends on provider fit, run the same evaluation with Llama 2 70B Chat.

Continue comparing

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