Llama Guard 2 8B vs Mistral Large 3 675B Instruct
Llama Guard 2 8B (2024) and Mistral Large 3 675B Instruct (2025) are compact production models from AI at Meta and MistralAI. Llama Guard 2 8B ships a 8k-token context window, while Mistral Large 3 675B Instruct ships a 128k-token context window. On pricing, Llama Guard 2 8B costs $0.05/1M input tokens versus $0.50/1M 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 2 8B is ~900% cheaper at $0.05/1M; pay for Mistral Large 3 675B Instruct only for long-context analysis.
Decision scorecard
Local evidence first| Signal | Llama Guard 2 8B | Mistral Large 3 675B Instruct |
|---|---|---|
| Best for | provider-routed production | multimodal apps and provider-routed production |
| Decision fit | Classification | Coding, RAG, and Agents |
| Context window | 8k | 128k |
| Cheapest output | $0.25/1M tokens | $1.50/1M tokens |
| Provider routes | 3 tracked | 5 tracked |
| Shared benchmarks | 0 rows | 0 rows |
Decision tradeoffs
- Llama Guard 2 8B has the lower cheapest tracked output price at $0.25/1M tokens.
- Local decision data tags Llama Guard 2 8B for Classification.
- Mistral Large 3 675B Instruct has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Mistral Large 3 675B Instruct has broader tracked provider coverage for fallback and procurement flexibility.
- Mistral Large 3 675B Instruct uniquely exposes Vision, Multimodal, and Structured outputs in local model data.
- Local decision data tags Mistral Large 3 675B Instruct for Coding, RAG, and Agents.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
Llama Guard 2 8B
$103
Cheapest tracked route/tier: Replicate API
Mistral Large 3 675B Instruct
$775
Cheapest tracked route/tier: AWS Bedrock
Estimated monthly gap: $673. 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 2 8B and Mistral Large 3 675B Instruct; plan for SDK, billing, or endpoint changes.
- Mistral Large 3 675B Instruct is $1.25/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- Mistral Large 3 675B Instruct adds Vision, Multimodal, and Structured outputs in local capability data.
- No overlapping tracked provider route is sourced for Mistral Large 3 675B Instruct and Llama Guard 2 8B; plan for SDK, billing, or endpoint changes.
- Llama Guard 2 8B is $1.25/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- Check replacement coverage for Vision, Multimodal, and Structured outputs before moving production traffic.
Specs
| Specification | ||
|---|---|---|
| Released | 2024-04-18 | 2025-12-01 |
| Context window | 8k | 128k |
| Parameters | 8B | 675B |
| Architecture | decoder only | decoder only |
| License | Llama 2 Community | Mistral License |
| Openness | Open weights | Open weights |
| Commercial use | Commercial use with conditions | Non-commercial only |
| Knowledge cutoff | 2023-03 | 2024-11 |
Pricing and availability
| Pricing attribute | Llama Guard 2 8B | Mistral Large 3 675B Instruct |
|---|---|---|
| Input price | $0.05/1M tokens | $0.50/1M tokens |
| Output price | $0.25/1M tokens | $1.50/1M tokens |
| Providers |
Capabilities
| Capability | Llama Guard 2 8B | Mistral Large 3 675B Instruct |
|---|---|---|
| Vision | No | Yes |
| Multimodal | No | Yes |
| Reasoning | No | No |
| Function calling | No | No |
| Tool use | No | No |
| Structured outputs | No | 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 differs most on vision: Mistral Large 3 675B Instruct, multimodal input: Mistral Large 3 675B Instruct, and structured outputs: Mistral Large 3 675B 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, Llama Guard 2 8B lists $0.05/1M input and $0.25/1M output tokens on the cheapest tracked provider, while Mistral Large 3 675B Instruct lists $0.50/1M input and $1.50/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts Llama Guard 2 8B lower by about $0.69 per million blended tokens. Availability is 3 providers versus 5, so concentration risk also matters.
Choose Llama Guard 2 8B when provider fit and lower input-token cost are central to the workload. Choose Mistral Large 3 675B Instruct when long-context analysis, larger context windows, and broader provider choice are more important. For production, rerun your own prompts through the exact provider, region, and tool stack you plan to ship.
FAQ
Which has a larger context window, Llama Guard 2 8B or Mistral Large 3 675B Instruct?
Mistral Large 3 675B Instruct supports 128k tokens, while Llama Guard 2 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 2 8B or Mistral Large 3 675B Instruct?
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. Mistral Large 3 675B Instruct costs $0.50/1M input and $1.50/1M output tokens. Provider discounts or batch pricing can still change the final bill.
Is Llama Guard 2 8B or Mistral Large 3 675B Instruct open source?
Llama Guard 2 8B is listed under Llama 2 Community. Mistral Large 3 675B Instruct is listed under Mistral License. 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 vision, Llama Guard 2 8B or Mistral Large 3 675B Instruct?
Mistral Large 3 675B Instruct has the clearer documented vision signal in this comparison. If vision is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Which is better for multimodal input, Llama Guard 2 8B or Mistral Large 3 675B Instruct?
Mistral Large 3 675B Instruct has the clearer documented multimodal input signal in this comparison. If multimodal input 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 Mistral Large 3 675B Instruct?
Llama Guard 2 8B is available on Fireworks AI, OctoAI API (Deprecated), and Replicate API. Mistral Large 3 675B Instruct is available on AWS Bedrock, NVIDIA NIM, Mistral AI Studio, Microsoft Foundry, and Vercel AI Gateway. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
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Last reviewed: 2026-06-04. Data sourced from public model cards and provider documentation.