GPT-5.4-Cyber vs Llama Guard 3 1B
GPT-5.4-Cyber (2026) and Llama Guard 3 1B (2024) are frontier reasoning models from OpenAI and AI at Meta. GPT-5.4-Cyber ships a not-yet-sourced context window, while Llama Guard 3 1B ships a 128k-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. It focuses on practical selection signals rather than broad model-family marketing.
GPT-5.4-Cyber is safer overall; choose Llama Guard 3 1B when provider fit matters.
Decision scorecard
Local evidence first| Signal | GPT-5.4-Cyber | Llama Guard 3 1B |
|---|---|---|
| Best for | reasoning-heavy apps and multimodal apps | general production evaluation |
| Decision fit | Vision | Long context and Classification |
| Context window | — | 128k |
| Cheapest output | - | $0.10/1M tokens |
| Provider routes | 0 tracked | 1 tracked |
| Shared benchmarks | 0 shared | 0 shared |
Decision tradeoffs
- GPT-5.4-Cyber uniquely exposes Vision, Multimodal, and Reasoning in local model data.
- Local decision data tags GPT-5.4-Cyber for Vision.
- Llama Guard 3 1B has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Llama Guard 3 1B has broader tracked provider coverage for fallback and route flexibility.
- Local decision data tags Llama Guard 3 1B for Long context and Classification.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
GPT-5.4-Cyber
Unavailable
No complete token price in local provider data
Llama Guard 3 1B
$105
Cheapest tracked route/tier: Fireworks AI
Cost delta unavailable until both models have sourced input and output token prices.
Switch friction
- No overlapping tracked provider route is sourced for GPT-5.4-Cyber and Llama Guard 3 1B; plan for SDK, billing, or endpoint changes.
- Check replacement coverage for Vision, Multimodal, and Reasoning before moving production traffic.
- No overlapping tracked provider route is sourced for Llama Guard 3 1B and GPT-5.4-Cyber; plan for SDK, billing, or endpoint changes.
- GPT-5.4-Cyber adds Vision, Multimodal, and Reasoning in local capability data.
Specs
| Specification | ||
|---|---|---|
| Released | 2026-04-14 | 2024-09-25 |
| Context window | — | 128k |
| Parameters | — | 1B |
| Architecture | Decoder Only | Decoder Only |
| License | Proprietary | Llama 2 Community |
| Openness | Proprietary | Open weights |
| Weights | Not released | Unknown |
| Code | Unknown | Unknown |
| Commercial use | Commercial use: conditional | Commercial use: conditional |
| Knowledge cutoff | 2025-08 | 2023-12 |
Pricing and availability
| Pricing attribute | GPT-5.4-Cyber | Llama Guard 3 1B |
|---|---|---|
| Input price | - | $0.10/1M tokens |
| Output price | - | $0.10/1M tokens |
| Providers | - |
Capabilities
| Capability | GPT-5.4-Cyber | Llama Guard 3 1B |
|---|---|---|
| Vision | Yes | No |
| Multimodal | Yes | No |
| Reasoning | Yes | 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: 2026-07-09. Data sourced from public model cards and provider documentation.