Llama Guard 3 8B vs Together AI Qwen2-72B-Instruct
Llama Guard 3 8B (2024) and Together AI Qwen2-72B-Instruct (2024) are compact production models from AI at Meta and Alibaba. Llama Guard 3 8B ships a 8k-token context window, while Together AI Qwen2-72B-Instruct ships a 33k-token context window. On pricing, Llama Guard 3 8B costs $0.20/1M input tokens versus $0.70/1M 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 8B is ~250% cheaper at $0.20/1M; pay for Together AI Qwen2-72B-Instruct only for long-context analysis.
Decision scorecard
Local evidence first| Signal | Llama Guard 3 8B | Together AI Qwen2-72B-Instruct |
|---|---|---|
| Best for | provider-routed production | general production evaluation |
| Decision fit | Classification and JSON / Tool use | Classification and JSON / Tool use |
| Context window | 8k | 33k |
| Cheapest output | $0.20/1M tokens | $0.70/1M tokens |
| Provider routes | 5 tracked | 1 tracked |
| Shared benchmarks | 0 rows | 0 rows |
Decision tradeoffs
- Llama Guard 3 8B has the lower cheapest tracked output price at $0.20/1M tokens.
- Llama Guard 3 8B has broader tracked provider coverage for fallback and procurement flexibility.
- Local decision data tags Llama Guard 3 8B for Classification and JSON / Tool use.
- Together AI Qwen2-72B-Instruct has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Local decision data tags Together AI Qwen2-72B-Instruct 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.
Llama Guard 3 8B
$210
Cheapest tracked route/tier: Fireworks AI
Together AI Qwen2-72B-Instruct
$735
Cheapest tracked route/tier: Together AI
Estimated monthly gap: $525. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.
Switch friction
- No overlapping tracked provider route is sourced for Llama Guard 3 8B and Together AI Qwen2-72B-Instruct; plan for SDK, billing, or endpoint changes.
- Together AI Qwen2-72B-Instruct is $0.50/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- No overlapping tracked provider route is sourced for Together AI Qwen2-72B-Instruct and Llama Guard 3 8B; plan for SDK, billing, or endpoint changes.
- Llama Guard 3 8B is $0.50/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
Specs
| Specification | ||
|---|---|---|
| Released | 2024-07-23 | 2024-06-07 |
| Context window | 8k | 33k |
| Parameters | 8B | 72B |
| Architecture | decoder only | decoder only |
| License | Llama 2 Community | Apache 2.0(OSI) |
| Openness | Open weights | Open source |
| Commercial use | Commercial use with conditions | Commercial use allowed |
| Knowledge cutoff | 2023-12 | - |
Pricing and availability
| Pricing attribute | Llama Guard 3 8B | Together AI Qwen2-72B-Instruct |
|---|---|---|
| Input price | $0.20/1M tokens | $0.70/1M tokens |
| Output price | $0.20/1M tokens | $0.70/1M tokens |
| Providers |
Capabilities
| Capability | Llama Guard 3 8B | Together AI Qwen2-72B-Instruct |
|---|---|---|
| Vision | No | No |
| Multimodal | No | No |
| Reasoning | No | No |
| Function calling | No | No |
| Tool use | No | No |
| Structured outputs | Yes | Yes |
| Code execution | No | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
No shared benchmark rows are currently sourced for this pair.
Deep dive
The capability footprint is close: both models cover structured outputs. That makes context budget, benchmark fit, and provider maturity more important than a simple checklist. If your application depends on one integration detail, verify it against the provider route you plan to use, not just the base model listing.
For cost, Llama Guard 3 8B lists $0.20/1M input and $0.20/1M output tokens on the cheapest tracked provider, while Together AI Qwen2-72B-Instruct lists $0.70/1M input and $0.70/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts Llama Guard 3 8B lower by about $0.50 per million blended tokens. Availability is 5 providers versus 1, so concentration risk also matters.
Choose Llama Guard 3 8B when provider fit, lower input-token cost, and broader provider choice are central to the workload. Choose Together AI Qwen2-72B-Instruct when long-context analysis and larger context windows 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 3 8B or Together AI Qwen2-72B-Instruct?
Together AI Qwen2-72B-Instruct supports 33k tokens, while Llama Guard 3 8B supports 8k 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 3 8B or Together AI Qwen2-72B-Instruct?
Llama Guard 3 8B is cheaper on tracked token pricing. Llama Guard 3 8B costs $0.20/1M input and $0.20/1M output tokens. Together AI Qwen2-72B-Instruct costs $0.70/1M input and $0.70/1M output tokens. Provider discounts or batch pricing can still change the final bill.
Is Llama Guard 3 8B or Together AI Qwen2-72B-Instruct open source?
Llama Guard 3 8B is listed under Llama 2 Community. Together AI Qwen2-72B-Instruct is listed under Apache 2.0. 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 3 8B or Together AI Qwen2-72B-Instruct?
Both Llama Guard 3 8B and Together AI Qwen2-72B-Instruct expose structured outputs. The better choice depends on benchmark fit, context budget, pricing, and whether your provider route exposes the same capability surface.
Where can I run Llama Guard 3 8B and Together AI Qwen2-72B-Instruct?
Llama Guard 3 8B is available on Cloudflare Workers AI, Microsoft Foundry, OpenRouter, Fireworks AI, and Replicate API. Together AI Qwen2-72B-Instruct is available on Together AI. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
When should I pick Llama Guard 3 8B over Together AI Qwen2-72B-Instruct?
Llama Guard 3 8B is ~250% cheaper at $0.20/1M; pay for Together AI Qwen2-72B-Instruct only for long-context analysis. If your workload also depends on provider fit, start with Llama Guard 3 8B; if it depends on long-context analysis, run the same evaluation with Together AI Qwen2-72B-Instruct.
Continue comparing
Last reviewed: 2026-05-19. Data sourced from public model cards and provider documentation.