LLM Reference

GPT-2 Medium vs Llama Guard 7B

GPT-2 Medium (2019) and Llama Guard 7B (2023) are compact production models from OpenAI and AI at Meta. GPT-2 Medium ships a 1k-token context window, while Llama Guard 7B ships a 2k-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 7B is safer overall; choose GPT-2 Medium when provider fit matters.

Decision scorecard

Local evidence first
SignalGPT-2 MediumLlama Guard 7B
Best forgeneral production evaluationprovider-routed production
Decision fitGeneralClassification and JSON / JSON / Tool use
Context window1k2k
Cheapest output-$0.20/1M tokens
Provider routes0 tracked2 tracked
Shared benchmarks0 shared0 shared

Decision tradeoffs

Choose GPT-2 Medium when...
  • Use GPT-2 Medium when your own prompt tests beat the comparison signals; the local data does not show a decisive standalone advantage yet.
Choose Llama Guard 7B when...
  • Llama Guard 7B has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Llama Guard 7B has broader tracked provider coverage for fallback and route flexibility.
  • Llama Guard 7B uniquely exposes Structured outputs in local model data.
  • Local decision data tags Llama Guard 7B for Classification and JSON / Tool use.

Monthly cost at traffic

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

GPT-2 Medium

Unavailable

No complete token price in local provider data

Llama Guard 7B

$210

Cheapest tracked route/tier: Together AI

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

Switch friction

GPT-2 Medium -> Llama Guard 7B
  • No overlapping tracked provider route is sourced for GPT-2 Medium and Llama Guard 7B; plan for SDK, billing, or endpoint changes.
  • Llama Guard 7B adds Structured outputs in local capability data.
Llama Guard 7B -> GPT-2 Medium
  • No overlapping tracked provider route is sourced for Llama Guard 7B and GPT-2 Medium; plan for SDK, billing, or endpoint changes.
  • Check replacement coverage for Structured outputs before moving production traffic.

Specs

Specification
Released2019-02-142023-12-07
Context window1k2k
Parameters355M7B
ArchitectureDecoder OnlyDecoder Only
LicenseMITOSI-approvedLlama 2 Community
OpennessOpen sourceOpen weights
WeightsUnknownAvailable
CodeUnknownUnknown
Commercial useCommercial use: permittedCommercial use: conditional
Knowledge cutoff2017-122022-09

Pricing and availability

Pricing attributeGPT-2 MediumLlama Guard 7B
Input price-$0.20/1M tokens
Output price-$0.20/1M tokens
Providers-

Capabilities

CapabilityGPT-2 MediumLlama Guard 7B
VisionNoNo
MultimodalNoNo
ReasoningNoNo
JSON / Tool useNoNo
Structured outputsNoYes
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: 2026-07-09. Data sourced from public model cards and provider documentation.