LLM Reference

ELYZA Japanese Llama 2 13B vs Phi-4 Reasoning Vision 15B

ELYZA Japanese Llama 2 13B (2023) and Phi-4 Reasoning Vision 15B (2026) are general-purpose language models from ELYZA and Microsoft Research. ELYZA Japanese Llama 2 13B ships a not-yet-sourced context window, while Phi-4 Reasoning Vision 15B ships a not-yet-sourced 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 Reasoning Vision 15B is safer overall; choose ELYZA Japanese Llama 2 13B when provider fit matters.

Decision scorecard

Local evidence first
SignalELYZA Japanese Llama 2 13BPhi-4 Reasoning Vision 15B
Best forgeneral production evaluationmultimodal apps
Decision fitGeneralVision
Context window
Cheapest output--
Provider routes0 tracked0 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 Reasoning Vision 15B when...
  • Phi-4 Reasoning Vision 15B uniquely exposes Vision and Multimodal in local model data.
  • Local decision data tags Phi-4 Reasoning Vision 15B for Vision.

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 Reasoning Vision 15B

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 Reasoning Vision 15B
  • No overlapping tracked provider route is sourced for ELYZA Japanese Llama 2 13B and Phi-4 Reasoning Vision 15B; plan for SDK, billing, or endpoint changes.
  • Phi-4 Reasoning Vision 15B adds Vision and Multimodal in local capability data.
Phi-4 Reasoning Vision 15B -> ELYZA Japanese Llama 2 13B
  • No overlapping tracked provider route is sourced for Phi-4 Reasoning Vision 15B and ELYZA Japanese Llama 2 13B; plan for SDK, billing, or endpoint changes.
  • Check replacement coverage for Vision and Multimodal before moving production traffic.

Specs

Specification
Released2023-08-022026-03-12
Context window
Parameters13B15B
ArchitectureDecoder Only-
LicenseLlama 2 CommunityMITOSI-approved
OpennessOpen weightsOpen source
WeightsUnknownUnknown
CodeUnknownUnknown
Commercial useCommercial use: conditionalCommercial use: permitted
Knowledge cutoff-2025-03

Pricing and availability

Pricing attributeELYZA Japanese Llama 2 13BPhi-4 Reasoning Vision 15B
Input price--
Output price--
Providers--

Pricing not yet sourced for either model.

Capabilities

CapabilityELYZA Japanese Llama 2 13BPhi-4 Reasoning Vision 15B
VisionNoYes
MultimodalNoYes
ReasoningNoNo
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: 2026-06-04. Data sourced from public model cards and provider documentation.