LLM Reference

Llama 3.1 NemoGuard 8B Topic Control vs Llama 2 7B

Llama 3.1 NemoGuard 8B Topic Control (2025) and Llama 2 7B (2023) are compact production models from NVIDIA AI and AI at Meta. Llama 3.1 NemoGuard 8B Topic Control ships a 4k-token context window, while Llama 2 7B 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.

Llama 3.1 NemoGuard 8B Topic Control is safer overall; choose Llama 2 7B when provider fit matters.

Decision scorecard

Local evidence first
SignalLlama 3.1 NemoGuard 8B Topic ControlLlama 2 7B
Best forgeneral production evaluationgeneral production evaluation
Decision fitClassificationCoding and Classification
Context window4k4k
Cheapest output-$0.20/1M tokens
Provider routes1 tracked1 tracked
Shared benchmarks0 shared0 shared

Decision tradeoffs

Choose Llama 3.1 NemoGuard 8B Topic Control when...
  • Local decision data tags Llama 3.1 NemoGuard 8B Topic Control for Classification.
Choose Llama 2 7B when...
  • Local decision data tags Llama 2 7B for Coding and Classification.

Monthly cost at traffic

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

Llama 3.1 NemoGuard 8B Topic Control

Unavailable

No complete token price in local provider data

Llama 2 7B

$210

Cheapest tracked route/tier: Fireworks AI

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

Switch friction

Llama 3.1 NemoGuard 8B Topic Control -> Llama 2 7B
  • No overlapping tracked provider route is sourced for Llama 3.1 NemoGuard 8B Topic Control and Llama 2 7B; plan for SDK, billing, or endpoint changes.
Llama 2 7B -> Llama 3.1 NemoGuard 8B Topic Control
  • No overlapping tracked provider route is sourced for Llama 2 7B and Llama 3.1 NemoGuard 8B Topic Control; plan for SDK, billing, or endpoint changes.

Specs

Specification
Released2025-01-012023-07-18
Context window4k4k
Parameters8B7B
ArchitectureDecoder OnlyDecoder Only
LicenseOpen WeightsLlama 2 Community
OpennessOpen weightsOpen weights
WeightsUnknownAvailable
CodeUnknownUnknown
Commercial use-Commercial use: conditional
Knowledge cutoff-2022-09

Pricing and availability

Pricing attributeLlama 3.1 NemoGuard 8B Topic ControlLlama 2 7B
Input price-$0.20/1M tokens
Output price-$0.20/1M tokens
Providers

Capabilities

CapabilityLlama 3.1 NemoGuard 8B Topic ControlLlama 2 7B
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.

Continue comparing

Last reviewed: 2026-07-09. Data sourced from public model cards and provider documentation.