GPT-5.2 Codex vs LLaMA 3 70B
Compare pricing, context windows, and strengths for GPT-5.2 Codex by OpenAI and LLaMA 3 70B by Meta - and see how to put either to work in Appaca.
GPT-5.2 Codex
Highly capable coding model optimized for long-horizon, agentic coding tasks with configurable reasoning and strong codebase awareness.
View GPT-5.2 CodexGPT-5.2 Codex vs LLaMA 3 70B at a glance
Specs and pricing side by side, from the Appaca AI models directory.
| Spec | GPT-5.2 Codex | LLaMA 3 70B |
|---|---|---|
| Provider | OpenAI | Meta |
| Model type | Text | Text |
| Context window | 400K tokens | 8.2K tokens |
| Input price | $1.75 / 1M tokens | - |
| Output price | $14 / 1M tokens | - |
| Status | Superseded by GPT-5.3 Codex | Current |
How GPT-5.2 Codex and LLaMA 3 70B differ
What the numbers mean in practice when choosing between GPT-5.2 Codex and LLaMA 3 70B.
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GPT-5.2 Codex's 400K tokens context window is roughly 48.8x larger than LLaMA 3 70B's 8.2K tokens, so it can work across bigger codebases, contracts, or archives in one pass.
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GPT-5.2 Codex has been superseded by GPT-5.3 Codex - for new builds, consider the newer model first.
Strengths side by side
Where each model shines, according to benchmarks and provider positioning.
GPT-5.2 Codex
1. Optimized for Long-Horizon Coding Tasks
- OpenAI describes GPT-5.2 Codex as a highly intelligent coding model built for long-horizon, agentic coding work.
- Well suited to planning, refactoring, debugging, and multi-step implementation flows inside real codebases.
2. Adjustable Reasoning for Coding Work
- Supports configurable reasoning effort from low to xhigh depending on speed and quality needs.
- Accepts both text and image inputs while producing text output.
3. Large Context + Long Output
- 400 k token context window supports broad repository understanding and larger working sets.
- Allows up to 128 k output tokens for longer patches, code generation, and technical explanations.
4. Up-to-Date Model Snapshot
- Knowledge cut-off of Aug 31 2025 keeps it current with newer tools and frameworks.
- Supports streaming, function calling, and structured outputs for tool-driven coding workflows.
LLaMA 3 70B
LLaMA 3 70B is a powerful, large-scale open-source model that excels at a wide range of tasks, including nuanced content creation, code generation, and complex reasoning. Its open nature allows for fine-tuning and customization, making it a top choice for developers looking to build specialized applications.
Use GPT-5.2 Codex or LLaMA 3 70B - or both
Appaca is the AI workspace for operators. Build internal tools and AI co-workers powered by GPT-5.2 Codex or LLaMA 3 70B - connected to your real data and ready for your whole team. No code, no deployment.
Describe it, and it's built
Tell the Appaca agent the internal tool you need and it builds a working app powered by GPT-5.2 Codex or LLaMA 3 70B. No code, no API keys, no deployment.
Switch models without rebuilding
Start on GPT-5.2 Codex, test the same tool on LLaMA 3 70B, and keep whichever performs better - the rest of your app stays exactly as it is.
Automated for the whole team
Schedule tools to run on autopilot - daily digests, weekly reports, real-time triggers - and share them with your whole team from one workspace.
Describe it, and it's built
Tell the Appaca agent what your team needs and it builds a working app powered by GPT-5.2 Codex or LLaMA 3 70B - connected to the tools you already use.
Related comparisons
See how GPT-5.2 Codex and LLaMA 3 70B stack up against other models in the directory.
FAQs
Pricing models differ: see the full GPT-5.2 Codex and LLaMA 3 70B pages in the Appaca AI models directory for current pricing details.
GPT-5.2 Codex has the larger context window at 400K tokens, compared to 8.2K tokens for LLaMA 3 70B. A larger window means the model can consider more text at once - useful for long contracts, codebases, or months of records.
It depends on the job. Compare the pricing, context window, and strengths above against your workload - and remember the choice isn't permanent. In Appaca you can build a tool on GPT-5.2 Codex, test the same tool on LLaMA 3 70B, and switch at any time without rebuilding anything.
Yes. Appaca is a no-code AI workspace: describe the internal tool your team needs and the Appaca agent builds it as a working app powered by GPT-5.2 Codex, LLaMA 3 70B, or any other model in the directory - with a built-in database, team access, and integrations. No API keys to wire up and nothing to deploy.
Build AI tools with GPT-5.2 Codex or LLaMA 3 70B
Describe the tool your team needs and get a working app powered by the model you choose - with a built-in database, team access, and integrations. No code, no deployment.