Prompt Guard 86M vs Together AI Qwen2-72B-Instruct
Prompt Guard 86M (2024) and Together AI Qwen2-72B-Instruct (2024) are compact production models from AI at Meta and Alibaba. Prompt Guard 86M ships a 512-token context window, while Together AI Qwen2-72B-Instruct ships a 33K-token context window. On pricing, Prompt Guard 86M costs $0.05/1M input tokens versus $0.7/1M for the alternative. This comparison covers specs, pricing, capabilities, benchmarks, provider availability, and production fit.
Prompt Guard 86M is ~1300% cheaper at $0.05/1M; pay for Together AI Qwen2-72B-Instruct only for long-context analysis.
Decision scorecard
Local evidence first| Signal | Prompt Guard 86M | Together AI Qwen2-72B-Instruct |
|---|---|---|
| Decision fit | General | Classification and JSON / Tool use |
| Context window | 512 | 33K |
| Cheapest output | $0.05/1M tokens | $0.7/1M tokens |
| Provider routes | 1 tracked | 1 tracked |
| Shared benchmarks | 0 rows | 0 rows |
Decision tradeoffs
- Prompt Guard 86M has the lower cheapest tracked output price at $0.05/1M tokens.
- Together AI Qwen2-72B-Instruct has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Together AI Qwen2-72B-Instruct uniquely exposes Structured outputs in local model data.
- 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 prices on this page.
Prompt Guard 86M
$52.50
Cheapest tracked route: Microsoft Foundry
Together AI Qwen2-72B-Instruct
$735
Cheapest tracked route: Together AI
Estimated monthly gap: $683. Batch, cache, and negotiated pricing are excluded from this local estimate.
Switch friction
- No overlapping tracked provider route is sourced for Prompt Guard 86M and Together AI Qwen2-72B-Instruct; plan for SDK, billing, or endpoint changes.
- Together AI Qwen2-72B-Instruct is $0.65/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- Together AI Qwen2-72B-Instruct adds Structured outputs in local capability data.
- No overlapping tracked provider route is sourced for Together AI Qwen2-72B-Instruct and Prompt Guard 86M; plan for SDK, billing, or endpoint changes.
- Prompt Guard 86M is $0.65/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- Check replacement coverage for Structured outputs before moving production traffic.
Specs
| Specification | ||
|---|---|---|
| Released | 2024-07-23 | 2024-06-07 |
| Context window | 512 | 33K |
| Parameters | 279M | 72B |
| Architecture | decoder only | decoder only |
| License | Unknown | Open Source |
| Knowledge cutoff | - | - |
Pricing and availability
| Pricing attribute | Prompt Guard 86M | Together AI Qwen2-72B-Instruct |
|---|---|---|
| Input price | $0.05/1M tokens | $0.7/1M tokens |
| Output price | $0.05/1M tokens | $0.7/1M tokens |
| Providers |
Capabilities
| Capability | Prompt Guard 86M | Together AI Qwen2-72B-Instruct |
|---|---|---|
| Vision | No | No |
| Multimodal | No | No |
| Reasoning | No | No |
| Function calling | No | No |
| Tool use | No | No |
| Structured outputs | No | Yes |
| Code execution | No | No |
Benchmarks
No shared benchmark rows are currently sourced for this pair.
Deep dive
The capability footprint differs most on structured outputs: Together AI Qwen2-72B-Instruct. 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, Prompt Guard 86M lists $0.05/1M input and $0.05/1M output tokens, while Together AI Qwen2-72B-Instruct lists $0.7/1M input and $0.7/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts Prompt Guard 86M lower by about $0.65 per million blended tokens. Availability is 1 providers versus 1, so concentration risk also matters.
Choose Prompt Guard 86M when provider fit and lower input-token cost 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, Prompt Guard 86M or Together AI Qwen2-72B-Instruct?
Together AI Qwen2-72B-Instruct supports 33K tokens, while Prompt Guard 86M supports 512 tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Which is cheaper, Prompt Guard 86M or Together AI Qwen2-72B-Instruct?
Prompt Guard 86M is cheaper on tracked token pricing. Prompt Guard 86M costs $0.05/1M input and $0.05/1M output tokens. Together AI Qwen2-72B-Instruct costs $0.7/1M input and $0.7/1M output tokens. Provider discounts or batch pricing can still change the final bill.
Is Prompt Guard 86M or Together AI Qwen2-72B-Instruct open source?
Prompt Guard 86M is listed under Unknown. Together AI Qwen2-72B-Instruct 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, Prompt Guard 86M or Together AI Qwen2-72B-Instruct?
Together AI Qwen2-72B-Instruct 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 Prompt Guard 86M and Together AI Qwen2-72B-Instruct?
Prompt Guard 86M is available on Microsoft Foundry. Together AI Qwen2-72B-Instruct is available on Together AI. Provider coverage can affect latency, region availability, compliance posture, and fallback options. Use this as a quick comparison signal, then confirm the provider-specific limits before committing to production.
When should I pick Prompt Guard 86M over Together AI Qwen2-72B-Instruct?
Prompt Guard 86M is ~1300% cheaper at $0.05/1M; pay for Together AI Qwen2-72B-Instruct only for long-context analysis. If your workload also depends on provider fit, start with Prompt Guard 86M; if it depends on long-context analysis, run the same evaluation with Together AI Qwen2-72B-Instruct.
Continue comparing
Last reviewed: 2026-05-16. Data sourced from public model cards and provider documentation.