LLM Reference

GPT-4 vs Llama Guard 2 8B

GPT-4 (2023) and Llama Guard 2 8B (2024) are compact production models from OpenAI and AI at Meta. GPT-4 ships a 8k-token context window, while Llama Guard 2 8B ships a 8k-token context window. On pricing, Llama Guard 2 8B costs $0.05/1M input tokens versus $30/1M for the alternative. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.

Llama Guard 2 8B is ~59900% cheaper at $0.05/1M; pay for GPT-4 only for coding workflow support.

Decision scorecard

Local evidence first
SignalGPT-4Llama Guard 2 8B
Best formultimodal apps, tool-calling agents, and provider-routed productionprovider-routed production
Decision fitCoding, Agents, and VisionClassification
Context window8k8k
Cheapest output$60/1M tokens$0.25/1M tokens
Provider routes4 tracked3 tracked
Shared benchmarks0 shared0 shared

Decision tradeoffs

Choose GPT-4 when...
  • 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 Guard 2 8B when...
  • Llama Guard 2 8B has the lower cheapest tracked output price at $0.25/1M tokens.
  • Local decision data tags Llama Guard 2 8B for Classification.

Monthly cost at traffic

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

Lower estimate Llama Guard 2 8B

GPT-4

$39,000

Cheapest tracked route/tier: OpenAI API

Llama Guard 2 8B

$103

Cheapest tracked route/tier: Replicate API

Estimated monthly gap: $38,898. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.

Switch friction

GPT-4 -> Llama Guard 2 8B
  • No overlapping tracked provider route is sourced for GPT-4 and Llama Guard 2 8B; plan for SDK, billing, or endpoint changes.
  • Llama Guard 2 8B is $59.75/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
  • Check replacement coverage for Vision, Multimodal, and JSON / Tool use before moving production traffic.
Llama Guard 2 8B -> GPT-4
  • No overlapping tracked provider route is sourced for Llama Guard 2 8B and GPT-4; plan for SDK, billing, or endpoint changes.
  • GPT-4 is $59.75/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
  • GPT-4 adds Vision, Multimodal, and JSON / Tool use in local capability data.

Specs

Specification
Released2023-03-142024-04-18
Context window8k8k
Parameters1.76T (8x222B MoE)*8B
ArchitectureMixture of ExpertsDecoder Only
LicenseProprietaryLlama 2 Community
OpennessProprietaryOpen weights
WeightsNot releasedAvailable
CodeUnknownUnknown
Commercial useCommercial use: conditionalCommercial use: conditional
Knowledge cutoff2021-092023-03

Pricing and availability

Pricing attributeGPT-4Llama Guard 2 8B
Input price$30/1M tokens$0.05/1M tokens
Output price$60/1M tokens$0.25/1M tokens
Providers

Capabilities

CapabilityGPT-4Llama Guard 2 8B
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.

Continue comparing

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