GPT-5.1-Codex vs Llama 3.2 1B 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 1B 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 1B Instruct
Llama 3.2 1B is a 1-billion-parameter language model focused on efficiently performing natural language tasks, such as summarization, dialogue, and multilingual text analysis. Its smaller size allows it to operate...
Technical Specifications
| Specification | GPT-5.1-Codex | Llama 3.2 1B 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 1B Instruct
$0.03
Output Price per Million Tokens
GPT-5.1-Codex
$10.00
Llama 3.2 1B Instruct
$0.20
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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 1B Instruct Quirks & Gotchas
No developer gotchas reported.