LLM Reference

Llama Guard 2 8B vs Nemotron Mini 4B Instruct

Llama Guard 2 8B (2024) and Nemotron Mini 4B Instruct (2024) are compact production models from AI at Meta and NVIDIA AI. Llama Guard 2 8B ships a 8k-token context window, while Nemotron Mini 4B Instruct 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.

Nemotron Mini 4B Instruct is safer overall; choose Llama Guard 2 8B when long-context analysis matters.

Decision scorecard

Local evidence first
SignalLlama Guard 2 8BNemotron Mini 4B Instruct
Best forprovider-routed productiongeneral production evaluation
Decision fitClassificationGeneral
Context window8k4k
Cheapest output$0.25/1M tokens-
Provider routes3 tracked1 tracked
Shared benchmarks0 shared0 shared

Decision tradeoffs

Choose Llama Guard 2 8B when...
  • Llama Guard 2 8B has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Llama Guard 2 8B has broader tracked provider coverage for fallback and route flexibility.
  • Local decision data tags Llama Guard 2 8B for Classification.
Choose Nemotron Mini 4B Instruct when...
  • Use Nemotron Mini 4B Instruct when your own prompt tests beat the comparison signals; the local data does not show a decisive standalone advantage yet.

Monthly cost at traffic

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

Llama Guard 2 8B

$103

Cheapest tracked route/tier: Replicate API

Nemotron Mini 4B Instruct

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 Guard 2 8B -> Nemotron Mini 4B Instruct
  • No overlapping tracked provider route is sourced for Llama Guard 2 8B and Nemotron Mini 4B Instruct; plan for SDK, billing, or endpoint changes.
Nemotron Mini 4B Instruct -> Llama Guard 2 8B
  • No overlapping tracked provider route is sourced for Nemotron Mini 4B Instruct and Llama Guard 2 8B; plan for SDK, billing, or endpoint changes.

Specs

Specification
Released2024-04-182024-08-01
Context window8k4k
Parameters8B4B
ArchitectureDecoder OnlyDecoder Only
LicenseLlama 2 CommunityNVIDIA Open Model
OpennessOpen weightsOpen weights
WeightsAvailableUnknown
CodeUnknownUnknown
Commercial useCommercial use: conditionalCommercial use: permitted
Knowledge cutoff2023-03-

Pricing and availability

Pricing attributeLlama Guard 2 8BNemotron Mini 4B Instruct
Input price$0.05/1M tokens-
Output price$0.25/1M tokens-
Providers

Capabilities

CapabilityLlama Guard 2 8BNemotron Mini 4B Instruct
VisionNoNo
MultimodalNoNo
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.

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Last reviewed: 2026-09-18. Data sourced from public model cards and provider documentation.