# GPT-5.5 vs Llama Guard 4 12B

Llama Guard 4 12B is not currently in the Allocate serving catalog, so this page lists no prices for it: every price on this site comes from the live catalog.

## Specifications

| | GPT-5.5 | Llama Guard 4 12B |
| --- | --- | --- |
| Lab | OpenAI | Meta |
| Access | API only | Not served on Allocate |
| Context window | 400K tokens | n/a |
| List price, input | $5 / M tokens | Not served |
| List price, output | $30 / M tokens | Not served |
| Cached input | $0.50 / M tokens | n/a |
| License | Proprietary API | Not listed |
| Fine-tunable | No | Yes |

Specifications and provider list prices from the Allocate catalog, checked 2026-09-12.

## Choose GPT-5.5 for

- Complex tool-using agents
- Code generation
- General assistants

## Choose Llama Guard 4 12B for

- Prompt and reply moderation
- Policy labelling
- Guardrails in front of agents

## Common questions

### Which has the bigger context window?

GPT-5.5: 400,000 tokens (400K) against an unlisted window for Llama Guard 4 12B.

### Can I fine-tune GPT-5.5 or Llama Guard 4 12B?

Llama Guard 4 12B publishes open weights (Not listed) and can be fine-tuned on your own data. GPT-5.5 is a closed model served over API; its weights are not available.

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[HTML page](https://allocate.network/compare/gpt-5-5-vs-meta-llama-guard-4-12b) · [GPT-5.5](https://allocate.network/models/gpt-5-5.md) · [Llama Guard 4 12B](https://allocate.network/models/meta-llama-guard-4-12b.md) · [Machine-readable catalog](https://allocate.network/catalog.json)