LLM Reference

Llama Guard 3 1B vs Llama 2 7B

Llama Guard 3 1B (2024) and Llama 2 7B (2023) are compact production models from AI at Meta. Llama Guard 3 1B ships a 128k-token context window, while Llama 2 7B ships a 4k-token context window. On pricing, Llama Guard 3 1B costs $0.10/1M input tokens versus $0.20/1M 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 3 1B is ~100% cheaper at $0.10/1M; pay for Llama 2 7B only for provider fit.

Decision scorecard

Local evidence first
SignalLlama Guard 3 1BLlama 2 7B
Best forgeneral production evaluationgeneral production evaluation
Decision fitLong context and ClassificationCoding and Classification
Context window128k4k
Cheapest output$0.10/1M tokens$0.20/1M tokens
Provider routes1 tracked1 tracked
Shared benchmarks0 shared0 shared

Decision tradeoffs

Choose Llama Guard 3 1B when...
  • Llama Guard 3 1B has the larger context window for long prompts, retrieval packs, or transcript analysis.
  • Llama Guard 3 1B has the lower cheapest tracked output price at $0.10/1M tokens.
  • Local decision data tags Llama Guard 3 1B for Long context and Classification.
Choose Llama 2 7B when...
  • Local decision data tags Llama 2 7B for Coding and 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 3 1B

Llama Guard 3 1B

$105

Cheapest tracked route/tier: Fireworks AI

Llama 2 7B

$210

Cheapest tracked route/tier: Fireworks AI

Estimated monthly gap: $105. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.

Switch friction

Llama Guard 3 1B -> Llama 2 7B
  • Provider overlap exists on Fireworks AI; start route-level A/B tests there.
  • Llama 2 7B is $0.10/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
Llama 2 7B -> Llama Guard 3 1B
  • Provider overlap exists on Fireworks AI; start route-level A/B tests there.
  • Llama Guard 3 1B is $0.10/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.

Specs

Specification
Released2024-09-252023-07-18
Context window128k4k
Parameters1B7B
ArchitectureDecoder OnlyDecoder Only
LicenseLlama 2 CommunityLlama 2 Community
OpennessOpen weightsOpen weights
WeightsUnknownAvailable
CodeUnknownUnknown
Commercial useCommercial use: conditionalCommercial use: conditional
Knowledge cutoff2023-122022-09

Pricing and availability

Pricing attributeLlama Guard 3 1BLlama 2 7B
Input price$0.10/1M tokens$0.20/1M tokens
Output price$0.10/1M tokens$0.20/1M tokens
Providers

Capabilities

CapabilityLlama Guard 3 1BLlama 2 7B
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.

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