LLM Reference

GPT-4 vs Llama 3.1 NemoGuard 8B Topic Control

GPT-4 (2023) and Llama 3.1 NemoGuard 8B Topic Control (2025) are compact production models from OpenAI and NVIDIA AI. GPT-4 ships a 8k-token context window, while Llama 3.1 NemoGuard 8B Topic Control 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. It focuses on practical selection signals rather than broad model-family marketing.

Llama 3.1 NemoGuard 8B Topic Control is safer overall; choose GPT-4 when coding workflow support matters.

Decision scorecard

Local evidence first
SignalGPT-4Llama 3.1 NemoGuard 8B Topic Control
Best formultimodal apps, tool-calling agents, and provider-routed productiongeneral production evaluation
Decision fitCoding, Agents, and VisionClassification
Context window8k4k
Cheapest output$60/1M tokens-
Provider routes4 tracked1 tracked
Shared benchmarks0 shared0 shared

Decision tradeoffs

Choose GPT-4 when...
  • GPT-4 has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • GPT-4 has broader tracked provider coverage for fallback and route flexibility.
  • GPT-4 uniquely exposes Vision, Multimodal, and JSON / Tool use in local model data.
  • Local decision data tags GPT-4 for Coding, Agents, and Vision.
Choose Llama 3.1 NemoGuard 8B Topic Control when...
  • Local decision data tags Llama 3.1 NemoGuard 8B Topic Control for Classification.

Monthly cost at traffic

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

GPT-4

$39,000

Cheapest tracked route/tier: OpenAI API

Llama 3.1 NemoGuard 8B Topic Control

Unavailable

No complete token price in local provider data

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

Switch friction

GPT-4 -> Llama 3.1 NemoGuard 8B Topic Control
  • No overlapping tracked provider route is sourced for GPT-4 and Llama 3.1 NemoGuard 8B Topic Control; plan for SDK, billing, or endpoint changes.
  • Check replacement coverage for Vision, Multimodal, and JSON / Tool use before moving production traffic.
Llama 3.1 NemoGuard 8B Topic Control -> GPT-4
  • No overlapping tracked provider route is sourced for Llama 3.1 NemoGuard 8B Topic Control and GPT-4; plan for SDK, billing, or endpoint changes.
  • GPT-4 adds Vision, Multimodal, and JSON / Tool use in local capability data.

Specs

Specification
Released2023-03-142025-01-01
Context window8k4k
Parameters1.76T (8x222B MoE)*8B
ArchitectureMixture of ExpertsDecoder Only
LicenseProprietaryOpen Weights
OpennessProprietaryOpen weights
WeightsNot releasedUnknown
CodeUnknownUnknown
Commercial useCommercial use: conditional-
Knowledge cutoff2021-09-

Pricing and availability

Pricing attributeGPT-4Llama 3.1 NemoGuard 8B Topic Control
Input price$30/1M tokens-
Output price$60/1M tokens-
Providers

Capabilities

CapabilityGPT-4Llama 3.1 NemoGuard 8B Topic Control
VisionYesNo
MultimodalYesNo
ReasoningNoNo
JSON / Tool useYesNo
Structured outputsYesNo
Code executionYesNo
IDE integrationNoNo
Computer useNoNo
Parallel agentsNoNo

Benchmarks

No shared benchmark scores are currently available for this pair.

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Last reviewed: 2026-06-15. Data sourced from public model cards and provider documentation.