GPT-5.1-Codex vs Llama 3.2 3B Instruct
How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for GPT-5.1-Codex and Llama 3.2 3B Instruct.
GPT-5.1-Codex
GPT-5.1-Codex is a specialized version of GPT-5.1 optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....
Llama 3.2 3B Instruct
Llama 3.2 3B is a 3-billion-parameter multilingual large language model, optimized for advanced natural language processing tasks like dialogue generation, reasoning, and summarization. Designed with the latest transformer architecture, it...
Technical Specifications
| Specification | GPT-5.1-Codex | Llama 3.2 3B Instruct |
|---|---|---|
| Provider | OpenAI | Meta |
| Context Window | 400,000 tokens | 131,072 tokens |
| Agent Suitability | N/A | N/A |
| Time to First Token (TTFT) | N/A | N/A |
| Deployment Model | managed api | self hostable |
| Production Stability | stable | stable |
| API Available | Yes | Yes |
| Released Date | 2025-11-13 | 2024-09-25 |
API Pricing Comparison
Input Price per Million Tokens
GPT-5.1-Codex
$1.25
Llama 3.2 3B Instruct
$0.05
Output Price per Million Tokens
GPT-5.1-Codex
$10.00
Llama 3.2 3B Instruct
$0.33
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Benchmark Performance Metrics
Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.
GPT-5.1-Codex Quirks & Gotchas
No developer gotchas reported.
Llama 3.2 3B Instruct Quirks & Gotchas
No developer gotchas reported.