Grok 4.3 Beta vs Llama Guard 3 1B
Grok 4.3 Beta (2026) and Llama Guard 3 1B (2024) are frontier reasoning models from xAI and AI at Meta. Grok 4.3 Beta ships a 2M-token context window, while Llama Guard 3 1B ships a not-yet-sourced context window. This comparison covers specs, pricing, capabilities, benchmarks, provider availability, and production fit. It focuses on practical selection signals rather than broad model-family marketing.
Grok 4.3 Beta is safer overall; choose Llama Guard 3 1B when provider fit matters.
Specs
| Released | 2026-04-17 | 2024-09-25 |
| Context window | 2M | — |
| Parameters | ~0.5T | 1B |
| Architecture | - | decoder only |
| License | Proprietary | Open Source |
| Knowledge cutoff | - | - |
Pricing and availability
| Grok 4.3 Beta | Llama Guard 3 1B | |
|---|---|---|
| Input price | - | $0.1/1M tokens |
| Output price | - | $0.1/1M tokens |
| Providers | - |
Capabilities
| Grok 4.3 Beta | Llama Guard 3 1B | |
|---|---|---|
| Vision | ||
| Multimodal | ||
| Reasoning | ||
| Function calling | ||
| Tool use | ||
| Structured outputs | ||
| Code execution |
Benchmarks
No shared benchmark rows are currently sourced for this pair.
Deep dive
The capability footprint differs most on vision: Grok 4.3 Beta, multimodal input: Grok 4.3 Beta, reasoning mode: Grok 4.3 Beta, function calling: Grok 4.3 Beta, tool use: Grok 4.3 Beta, and structured outputs: Grok 4.3 Beta. 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.
Pricing coverage is uneven: Grok 4.3 Beta has no token price sourced yet and Llama Guard 3 1B has $0.1/1M input tokens. Provider availability is 0 tracked routes versus 1. Treat unknown pricing as an integration gap, then verify the route you will actually call before estimating production spend.
Choose Grok 4.3 Beta when reasoning depth are central to the workload. Choose Llama Guard 3 1B when provider fit 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. This keeps the decision grounded in measurable tradeoffs instead of brand-level assumptions.
FAQ
Is Grok 4.3 Beta or Llama Guard 3 1B open source?
Grok 4.3 Beta is listed under Proprietary. Llama Guard 3 1B is listed under Open Source. 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, Grok 4.3 Beta or Llama Guard 3 1B?
Grok 4.3 Beta 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, Grok 4.3 Beta or Llama Guard 3 1B?
Grok 4.3 Beta 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.
Which is better for reasoning mode, Grok 4.3 Beta or Llama Guard 3 1B?
Grok 4.3 Beta has the clearer documented reasoning mode signal in this comparison. If reasoning mode is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Which is better for function calling, Grok 4.3 Beta or Llama Guard 3 1B?
Grok 4.3 Beta has the clearer documented function calling signal in this comparison. If function calling is mission-critical, validate it against the provider endpoint because model-level support and API-level exposure can differ.
Where can I run Grok 4.3 Beta and Llama Guard 3 1B?
Grok 4.3 Beta is available on the tracked providers still being sourced. Llama Guard 3 1B is available on Fireworks AI. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
Continue comparing
Last reviewed: 2026-04-25. Data sourced from public model cards and provider documentation.