Llama Guard 2 8B vs Xiaomi MiMo-V2.5
Llama Guard 2 8B (2024) and Xiaomi MiMo-V2.5 (2026) are frontier reasoning models from AI at Meta and Xiaomi. Llama Guard 2 8B ships a 8k-token context window, while Xiaomi MiMo-V2.5 ships a 1.05m-token context window. On pricing, Llama Guard 2 8B costs $0.05/1M input tokens versus $0.14/1M 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 ~180% cheaper at $0.05/1M; pay for Xiaomi MiMo-V2.5 only for reasoning depth.
Decision scorecard
Local evidence first| Signal | Llama Guard 2 8B | Xiaomi MiMo-V2.5 |
|---|---|---|
| Best for | provider-routed production | reasoning-heavy apps, multimodal apps, and tool-calling agents |
| Decision fit | Classification | RAG, Agents, and Long context |
| Context window | 8k | 1.05m |
| Cheapest output | $0.25/1M tokens | $0.28/1M tokens |
| Provider routes | 3 tracked | 2 tracked |
| Shared benchmarks | 0 shared | 0 shared |
Decision tradeoffs
- Llama Guard 2 8B has the lower cheapest tracked output price at $0.25/1M tokens.
- Llama Guard 2 8B has broader tracked provider coverage for fallback and route flexibility.
- Local decision data tags Llama Guard 2 8B for Classification.
- Xiaomi MiMo-V2.5 has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Xiaomi MiMo-V2.5 uniquely exposes Vision, Multimodal, and Reasoning in local model data.
- Local decision data tags Xiaomi MiMo-V2.5 for RAG, Agents, and Long context.
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
Xiaomi MiMo-V2.5
$182
Cheapest tracked route/tier: OpenRouter
Estimated monthly gap: $79.50. 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 Xiaomi MiMo-V2.5; plan for SDK, billing, or endpoint changes.
- Xiaomi MiMo-V2.5 is $0.03/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- Xiaomi MiMo-V2.5 adds Vision, Multimodal, and Reasoning in local capability data.
- No overlapping tracked provider route is sourced for Xiaomi MiMo-V2.5 and Llama Guard 2 8B; plan for SDK, billing, or endpoint changes.
- Llama Guard 2 8B is $0.03/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- Check replacement coverage for Vision, Multimodal, and Reasoning before moving production traffic.
Specs
| Specification | ||
|---|---|---|
| Released | 2024-04-18 | 2026-04-22 |
| Context window | 8k | 1.05m |
| Parameters | 8B | — |
| Architecture | Decoder Only | - |
| License | Llama 2 Community | Proprietary |
| Openness | Open weights | Proprietary |
| Weights | Available | Not released |
| Code | Unknown | Unknown |
| Commercial use | Commercial use: conditional | Commercial use: conditional |
| Knowledge cutoff | 2023-03 | - |
Pricing and availability
| Pricing attribute | Llama Guard 2 8B | Xiaomi MiMo-V2.5 |
|---|---|---|
| Input price | $0.05/1M tokens | $0.14/1M tokens |
| Output price | $0.25/1M tokens | $0.28/1M tokens |
| Providers |
Capabilities
| Capability | Llama Guard 2 8B | Xiaomi MiMo-V2.5 |
|---|---|---|
| Vision | No | Yes |
| Multimodal | No | Yes |
| Reasoning | No | Yes |
| JSON / Tool use | No | Yes |
| Structured outputs | No | Yes |
| 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: 2026-07-11. Data sourced from public model cards and provider documentation.