Is Llama 3.1 8B or Prompt Guard 2 86M cheaper?

Prompt Guard 2 86M is cheaper on output tokens ($0.04 vs $0.08 per 1M).

Which has the larger context window, Llama 3.1 8B or Prompt Guard 2 86M?

Llama 3.1 8B has the larger context window (131K tokens).

Llama 3.1 8B vs Prompt Guard 2 86M

Prompt Guard 2 86M is cheaper on output tokens, while Llama 3.1 8B offers a larger context window. Choose Llama 3.1 8B or Prompt Guard 2 86M based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Llama 3.1 8B	Prompt Guard 2 86M
Provider	Groq	Groq
Input / 1M tokens	$0.05	$0.04
Output / 1M tokens	$0.08	$0.04
Context window	131K	512
Parameters	—	—
Open weights	Yes	Yes
Released	Jul 2024	May 2025

Llama 3.1 8B details →Prompt Guard 2 86M details →

FAQ

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.