GPT-4 Vision Preview vs Llama Guard 4 12B
GPT-4 Vision Preview (2023) and Llama Guard 4 12B (2025) are compact production models from OpenAI and AI at Meta. GPT-4 Vision Preview ships a 128k-token context window, while Llama Guard 4 12B ships a 164k-token context window. On pricing, Llama Guard 4 12B costs $0.18/1M input tokens versus $10/1M 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 4 12B is ~5456% cheaper at $0.18/1M; pay for GPT-4 Vision Preview only for coding workflow support.
Decision scorecard
Local evidence first| Signal | GPT-4 Vision Preview | Llama Guard 4 12B |
|---|---|---|
| Best for | multimodal apps | provider-routed production |
| Decision fit | Coding, Agents, and Long context | RAG, Long context, and Classification |
| Context window | 128k | 164k |
| Cheapest output | $40/1M tokens | $0.18/1M tokens |
| Provider routes | 1 tracked | 3 tracked |
| Shared benchmarks | 0 rows | 0 rows |
Decision tradeoffs
- GPT-4 Vision Preview uniquely exposes Vision, Multimodal, and Code execution in local model data.
- Local decision data tags GPT-4 Vision Preview for Coding, Agents, and Long context.
- Llama Guard 4 12B has the larger context window for long prompts, retrieval packs, or transcript analysis.
- Llama Guard 4 12B has the lower cheapest tracked output price at $0.18/1M tokens.
- Llama Guard 4 12B has broader tracked provider coverage for fallback and procurement flexibility.
- Llama Guard 4 12B uniquely exposes Structured outputs in local model data.
- Local decision data tags Llama Guard 4 12B for RAG, 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-4 Vision Preview
$18,000
Cheapest tracked route/tier: Azure OpenAI
Llama Guard 4 12B
$189
Cheapest tracked route/tier: OpenRouter
Estimated monthly gap: $17,811. Batch, cache, alternate speed tiers, and negotiated pricing are excluded from this local estimate.
Switch friction
- No overlapping tracked provider route is sourced for GPT-4 Vision Preview and Llama Guard 4 12B; plan for SDK, billing, or endpoint changes.
- Llama Guard 4 12B is $39.82/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- Check replacement coverage for Vision, Multimodal, and Code execution before moving production traffic.
- Llama Guard 4 12B adds Structured outputs in local capability data.
- No overlapping tracked provider route is sourced for Llama Guard 4 12B and GPT-4 Vision Preview; plan for SDK, billing, or endpoint changes.
- GPT-4 Vision Preview is $39.82/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- Check replacement coverage for Structured outputs before moving production traffic.
- GPT-4 Vision Preview adds Vision, Multimodal, and Code execution in local capability data.
Specs
| Specification | ||
|---|---|---|
| Released | 2023-11-06 | 2025-04-05 |
| Context window | 128k | 164k |
| Parameters | 1.76T (8x222B MoE)* | 12B |
| Architecture | mixture of experts | decoder only |
| License | Proprietary | Llama 2 Community |
| Openness | Proprietary | Open weights |
| Commercial use | Commercial use with conditions | Commercial use with conditions |
| Knowledge cutoff | 2023-04 | 2024-08 |
Pricing and availability
| Pricing attribute | GPT-4 Vision Preview | Llama Guard 4 12B |
|---|---|---|
| Input price | $10/1M tokens | $0.18/1M tokens |
| Output price | $40/1M tokens | $0.18/1M tokens |
| Providers |
Capabilities
| Capability | GPT-4 Vision Preview | Llama Guard 4 12B |
|---|---|---|
| Vision | Yes | No |
| Multimodal | Yes | No |
| Reasoning | No | No |
| Function calling | No | No |
| Tool use | No | No |
| Structured outputs | No | Yes |
| Code execution | Yes | 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: GPT-4 Vision Preview, multimodal input: GPT-4 Vision Preview, structured outputs: Llama Guard 4 12B, and code execution: GPT-4 Vision Preview. 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, GPT-4 Vision Preview lists $10/1M input and $40/1M output tokens on the cheapest tracked provider, while Llama Guard 4 12B lists $0.18/1M input and $0.18/1M output tokens on the cheapest tracked provider. A 70/30 input-output blend puts Llama Guard 4 12B lower by about $18.82 per million blended tokens. Availability is 1 providers versus 3, so concentration risk also matters.
Choose GPT-4 Vision Preview when coding workflow support are central to the workload. Choose Llama Guard 4 12B when long-context analysis, larger context windows, and lower input-token cost 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
Which has a larger context window, GPT-4 Vision Preview or Llama Guard 4 12B?
Llama Guard 4 12B supports 164k tokens, while GPT-4 Vision Preview supports 128k tokens. That gap matters most for long documents, large codebases, retrieval-heavy agents, and conversations where earlier context must remain visible.
Which is cheaper, GPT-4 Vision Preview or Llama Guard 4 12B?
Llama Guard 4 12B is cheaper on tracked token pricing. GPT-4 Vision Preview costs $10/1M input and $40/1M output tokens. Llama Guard 4 12B costs $0.18/1M input and $0.18/1M output tokens. Provider discounts or batch pricing can still change the final bill.
Is GPT-4 Vision Preview or Llama Guard 4 12B open source?
GPT-4 Vision Preview is listed under Proprietary. Llama Guard 4 12B is listed under Llama 2 Community. 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, GPT-4 Vision Preview or Llama Guard 4 12B?
GPT-4 Vision Preview 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, GPT-4 Vision Preview or Llama Guard 4 12B?
GPT-4 Vision Preview 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 GPT-4 Vision Preview and Llama Guard 4 12B?
GPT-4 Vision Preview is available on Azure OpenAI. Llama Guard 4 12B is available on NVIDIA NIM, Replicate API, and OpenRouter. Provider coverage can affect latency, region availability, compliance posture, and fallback options.
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Last reviewed: 2026-05-22. Data sourced from public model cards and provider documentation.