Llama 3.1 Swallow 8B Instruct vs Llama Guard 2 8B
Llama 3.1 Swallow 8B Instruct (2025) and Llama Guard 2 8B (2024) are compact production models from Tokyo Institute of Technology and AI at Meta. Llama 3.1 Swallow 8B Instruct ships a 4k-token context window, while Llama Guard 2 8B ships a 8k-token context window. This comparison covers specs, pricing, API access, capabilities, benchmarks, input and output token costs, and production fit for coding and agent workloads.
Llama 3.1 Swallow 8B Instruct is safer overall; choose Llama Guard 2 8B when long-context analysis matters.
Decision scorecard
Local evidence first| Signal | Llama 3.1 Swallow 8B Instruct | Llama Guard 2 8B |
|---|---|---|
| Best for | general production evaluation | provider-routed production |
| Decision fit | General | Classification |
| Context window | 4k | 8k |
| Cheapest output | - | $0.25/1M tokens |
| Provider routes | 1 tracked | 3 tracked |
| Shared benchmarks | 0 shared | 0 shared |
Decision tradeoffs
- Use Llama 3.1 Swallow 8B Instruct when your own prompt tests beat the comparison signals; the local data does not show a decisive standalone advantage yet.
- Llama Guard 2 8B has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Llama Guard 2 8B has broader tracked provider coverage for fallback and route flexibility.
- Local decision data tags Llama Guard 2 8B for Classification.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
Llama 3.1 Swallow 8B Instruct
Unavailable
No complete token price in local provider data
Llama Guard 2 8B
$103
Cheapest tracked route/tier: Replicate API
Cost delta unavailable until both models have sourced input and output token prices.
Switch friction
- No overlapping tracked provider route is sourced for Llama 3.1 Swallow 8B Instruct and Llama Guard 2 8B; plan for SDK, billing, or endpoint changes.
- No overlapping tracked provider route is sourced for Llama Guard 2 8B and Llama 3.1 Swallow 8B Instruct; plan for SDK, billing, or endpoint changes.
Specs
| Specification | ||
|---|---|---|
| Released | 2025-01-01 | 2024-04-18 |
| Context window | 4k | 8k |
| Parameters | 8B | 8B |
| Architecture | Decoder Only | Decoder Only |
| License | Llama 2 Community | Llama 2 Community |
| Openness | Open weights | Open weights |
| Weights | Unknown | Available |
| Code | Unknown | Unknown |
| Commercial use | Commercial use: conditional | Commercial use: conditional |
| Knowledge cutoff | 2023 | 2023-03 |
Pricing and availability
| Pricing attribute | Llama 3.1 Swallow 8B Instruct | Llama Guard 2 8B |
|---|---|---|
| Input price | - | $0.05/1M tokens |
| Output price | - | $0.25/1M tokens |
| Providers |
Capabilities
| Capability | Llama 3.1 Swallow 8B Instruct | Llama Guard 2 8B |
|---|---|---|
| Vision | No | No |
| Multimodal | No | No |
| Reasoning | No | No |
| JSON / Tool use | No | No |
| Structured outputs | No | No |
| Code execution | No | No |
| IDE integration | No | No |
| Computer use | No | No |
| Parallel agents | No | No |
Benchmarks
No shared benchmark scores are currently available for this pair.
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Last reviewed: 2026-10-01. Data sourced from public model cards and provider documentation.