LLM Reference

ELYZA Japanese Llama 2 13B vs Phi-4 Mini Flash Reasoning

ELYZA Japanese Llama 2 13B (2023) and Phi-4 Mini Flash Reasoning (2025) are frontier reasoning models from ELYZA and Microsoft Research. ELYZA Japanese Llama 2 13B ships a not-yet-sourced context window, while Phi-4 Mini Flash Reasoning ships a 128k-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.

Phi-4 Mini Flash Reasoning is safer overall; choose ELYZA Japanese Llama 2 13B when provider fit matters.

Decision scorecard

Local evidence first
SignalELYZA Japanese Llama 2 13BPhi-4 Mini Flash Reasoning
Best forgeneral production evaluationreasoning-heavy apps
Decision fitGeneralLong context
Context window—128k
Cheapest output--
Provider routes0 tracked1 tracked
Shared benchmarks0 shared0 shared

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 Phi-4 Mini Flash Reasoning when...
  • Phi-4 Mini Flash Reasoning has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Phi-4 Mini Flash Reasoning has broader tracked provider coverage for fallback and route flexibility.
  • Phi-4 Mini Flash Reasoning uniquely exposes Reasoning in local model data.
  • Local decision data tags Phi-4 Mini Flash Reasoning for Long context.

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

Phi-4 Mini Flash Reasoning

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 13B -> Phi-4 Mini Flash Reasoning
  • No overlapping tracked provider route is sourced for ELYZA Japanese Llama 2 13B and Phi-4 Mini Flash Reasoning; plan for SDK, billing, or endpoint changes.
  • Phi-4 Mini Flash Reasoning adds Reasoning in local capability data.
Phi-4 Mini Flash Reasoning -> ELYZA Japanese Llama 2 13B
  • No overlapping tracked provider route is sourced for Phi-4 Mini Flash Reasoning and ELYZA Japanese Llama 2 13B; plan for SDK, billing, or endpoint changes.
  • Check replacement coverage for Reasoning before moving production traffic.

Specs

Specification
Released2023-08-022025-12-01
Context window—128k
Parameters13B3.8B
ArchitectureDecoder OnlyDecoder Only
LicenseLlama 2 CommunityMITOSI-approved
OpennessOpen weightsOpen source
WeightsUnknownUnknown
CodeUnknownUnknown
Commercial useCommercial use: conditionalCommercial use: permitted
Knowledge cutoff-2025-02

Pricing and availability

Pricing attributeELYZA Japanese Llama 2 13BPhi-4 Mini Flash Reasoning
Input price--
Output price--
Providers-

Pricing not yet sourced for either model.

Capabilities

CapabilityELYZA Japanese Llama 2 13BPhi-4 Mini Flash Reasoning
VisionNoNo
MultimodalNoNo
ReasoningNoYes
JSON / Tool useNoNo
Structured outputsNoNo
Code executionNoNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

No shared benchmark scores are currently available for this pair.

Continue comparing

Last reviewed: 2026-05-22. Data sourced from public model cards and provider documentation.