GPT-4 Turbo Preview vs Llama Guard 2 8B
GPT-4 Turbo Preview (2023) and Llama Guard 2 8B (2024) are compact production models from OpenAI and AI at Meta. GPT-4 Turbo Preview ships a 128k-token context window, while Llama Guard 2 8B ships a 8k-token context window. On pricing, Llama Guard 2 8B costs $0.05/1M 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 2 8B is ~19900% cheaper at $0.05/1M; pay for GPT-4 Turbo Preview only for coding workflow support.
Decision scorecard
Local evidence first| Signal | GPT-4 Turbo Preview | Llama Guard 2 8B |
|---|---|---|
| Best for | multimodal apps and provider-routed production | provider-routed production |
| Decision fit | Coding, RAG, and Agents | Classification |
| Context window | 128k | 8k |
| Cheapest output | $30/1M tokens | $0.25/1M tokens |
| Provider routes | 3 tracked | 3 tracked |
| Shared benchmarks | 0 shared | 0 shared |
Decision tradeoffs
- GPT-4 Turbo Preview has the larger context window for long prompts, retrieval packs, or transcript analysis.
- GPT-4 Turbo Preview uniquely exposes Vision, Structured outputs, and Code execution in local model data.
- Local decision data tags GPT-4 Turbo Preview for Coding, RAG, and Agents.
- Llama Guard 2 8B has the lower cheapest tracked output price at $0.25/1M tokens.
- Local decision data tags Llama Guard 2 8B for Classification.
Monthly cost at traffic
Estimate token spend from the cheapest tracked input and output route or tier on this page.
GPT-4 Turbo Preview
$15,500
Cheapest tracked route/tier: OpenAI API
Llama Guard 2 8B
$103
Cheapest tracked route/tier: Replicate API
Estimated monthly gap: $15,398. 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 Turbo Preview and Llama Guard 2 8B; plan for SDK, billing, or endpoint changes.
- Llama Guard 2 8B is $29.75/1M tokens lower on cheapest tracked output pricing before cache, batch, or negotiated discounts.
- Check replacement coverage for Vision, Structured outputs, and Code execution before moving production traffic.
- No overlapping tracked provider route is sourced for Llama Guard 2 8B and GPT-4 Turbo Preview; plan for SDK, billing, or endpoint changes.
- GPT-4 Turbo Preview is $29.75/1M tokens higher on cheapest tracked output pricing, so quality gains need to justify the spend.
- GPT-4 Turbo Preview adds Vision, Structured outputs, and Code execution in local capability data.
Specs
| Specification | ||
|---|---|---|
| Released | 2023-11-06 | 2024-04-18 |
| Context window | 128k | 8k |
| Parameters | 1.76T (8x222B MoE)* | 8B |
| Architecture | Mixture of Experts | Decoder Only |
| License | Proprietary | Llama 2 Community |
| Openness | Proprietary | Open weights |
| Weights | Not released | Available |
| Code | Unknown | Unknown |
| Commercial use | Commercial use: conditional | Commercial use: conditional |
| Knowledge cutoff | 2023-12 | 2023-03 |
Pricing and availability
| Pricing attribute | GPT-4 Turbo Preview | Llama Guard 2 8B |
|---|---|---|
| Input price | $10/1M tokens | $0.05/1M tokens |
| Output price | $30/1M tokens | $0.25/1M tokens |
| Providers |
Capabilities
| Capability | GPT-4 Turbo Preview | Llama Guard 2 8B |
|---|---|---|
| Vision | Yes | No |
| Multimodal | No | No |
| Reasoning | No | No |
| JSON / Tool use | No | No |
| Structured outputs | Yes | No |
| Code execution | Yes | 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: 2026-09-18. Data sourced from public model cards and provider documentation.