Llama Guard 2 8B vs Llama Guard 7B
Llama Guard 2 8B (2024) and Llama Guard 7B (2023) are compact production models from AI at Meta. Llama Guard 2 8B ships a 8K-token context window, while Llama Guard 7B ships a 2K-token context window. On pricing, Llama Guard 2 8B costs $0.05/1M input tokens versus $0.2/1M for the alternative. This comparison covers specs, pricing, capabilities, benchmarks, provider availability, and production fit.
Llama Guard 2 8B is ~300% cheaper at $0.05/1M; pay for Llama Guard 7B only for provider fit.
Specs
| Released | 2024-04-18 | 2023-12-07 |
| Context window | 8K | 2K |
| Parameters | 8B | 7B |
| Architecture | decoder only | decoder only |
| License | Open Source | Open Source |
| Knowledge cutoff | - | - |
Pricing and availability
| Llama Guard 2 8B | Llama Guard 7B | |
|---|---|---|
| Input price | $0.05/1M tokens | $0.2/1M tokens |
| Output price | $0.25/1M tokens | $0.2/1M tokens |
| Providers |
Capabilities
| Llama Guard 2 8B | Llama Guard 7B | |
|---|---|---|
| Vision | ||
| Multimodal | ||
| Reasoning | ||
| Function calling | ||
| Tool use | ||
| Structured outputs | ||
| Code execution |
Benchmarks
No shared benchmark rows are currently sourced for this pair.
Deep dive
The capability footprint differs most on structured outputs: Llama Guard 7B. Both models share the core language-model surface, so the practical split is not just feature count. Use those differences to decide whether the page is about raw model quality, agentic coding support, multimodal ingestion, or predictable structured API behavior.
For cost, Llama Guard 2 8B lists $0.05/1M input and $0.25/1M output tokens, while Llama Guard 7B lists $0.2/1M input and $0.2/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts Llama Guard 2 8B lower by about $0.09 per million blended tokens. Availability is 3 providers versus 3, so concentration risk also matters.
Choose Llama Guard 2 8B when long-context analysis, larger context windows, and lower input-token cost are central to the workload. Choose Llama Guard 7B when provider fit are more important. For production, rerun your own prompts through the exact provider, region, and tool stack you plan to ship. This keeps the decision grounded in measurable tradeoffs instead of brand-level assumptions. It also helps separate model capability from provider packaging, which can change cost and latency.
FAQ
Which has a larger context window, Llama Guard 2 8B or Llama Guard 7B?
Llama Guard 2 8B supports 8K tokens, while Llama Guard 7B supports 2K tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Which is cheaper, Llama Guard 2 8B or Llama Guard 7B?
Llama Guard 2 8B is cheaper on tracked token pricing. Llama Guard 2 8B costs $0.05/1M input and $0.25/1M output tokens. Llama Guard 7B costs $0.2/1M input and $0.2/1M output tokens. Provider discounts or batch pricing can still change the final bill.
Is Llama Guard 2 8B or Llama Guard 7B open source?
Llama Guard 2 8B is listed under Open Source. Llama Guard 7B is listed under Open Source. License labels affect whether you can self-host, redistribute weights, or rely only on hosted APIs, so confirm the upstream license before deployment.
Which is better for structured outputs, Llama Guard 2 8B or Llama Guard 7B?
Llama Guard 7B has the clearer documented structured outputs signal in this comparison. If structured outputs is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Where can I run Llama Guard 2 8B and Llama Guard 7B?
Llama Guard 2 8B is available on Fireworks AI, OctoAI API, and Replicate API. Llama Guard 7B is available on Cloudflare Workers AI, Together AI, and Fireworks AI. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
When should I pick Llama Guard 2 8B over Llama Guard 7B?
Llama Guard 2 8B is ~300% cheaper at $0.05/1M; pay for Llama Guard 7B only for provider fit. If your workload also depends on long-context analysis, start with Llama Guard 2 8B; if it depends on provider fit, run the same evaluation with Llama Guard 7B.
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Last reviewed: 2026-04-24. Data sourced from public model cards and provider documentation.