LLM Reference

GPT-1 vs Llama Guard 2 8B

GPT-1 (2018) and Llama Guard 2 8B (2024) are compact production models from OpenAI and AI at Meta. GPT-1 ships a 512-token context window, while Llama Guard 2 8B ships a 8k-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 Guard 2 8B fits 16x more tokens; pick it for long-context work and GPT-1 for tighter calls.

Decision scorecard

Local evidence first
SignalGPT-1Llama Guard 2 8B
Best forgeneral production evaluationprovider-routed production
Decision fitGeneralClassification
Context window5128k
Cheapest output-$0.25/1M tokens
Provider routes0 tracked3 tracked
Shared benchmarks0 shared0 shared

Decision tradeoffs

Choose GPT-1 when...
  • Use GPT-1 when your own prompt tests beat the comparison signals; the local data does not show a decisive standalone advantage yet.
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.

Monthly cost at traffic

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

GPT-1

Unavailable

No complete token price in local provider data

Llama Guard 2 8B

$103

Cheapest tracked route/tier: Replicate API

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

Switch friction

GPT-1 -> Llama Guard 2 8B
  • No overlapping tracked provider route is sourced for GPT-1 and Llama Guard 2 8B; plan for SDK, billing, or endpoint changes.
Llama Guard 2 8B -> GPT-1
  • No overlapping tracked provider route is sourced for Llama Guard 2 8B and GPT-1; plan for SDK, billing, or endpoint changes.

Specs

Specification
Released2018-06-112024-04-18
Context window5128k
Parameters120M8B
ArchitectureDecoder OnlyDecoder Only
LicenseProprietaryLlama 2 Community
OpennessProprietaryOpen weights
WeightsNot releasedAvailable
CodeUnknownUnknown
Commercial useCommercial use: conditionalCommercial use: conditional
Knowledge cutoff-2023-03

Pricing and availability

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

Capabilities

CapabilityGPT-1Llama Guard 2 8B
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: 2026-09-18. Data sourced from public model cards and provider documentation.