A code-specialized OpenAI reasoning model. Use gpt-5.3-codex in AdaL for focused coding tasks.
Get StartedRun /model and pick GPT-5.3 Codex · $1.75/M input · $14/M output
Key capabilities and pricing
Optimized for code generation, refactoring, and debugging tasks.
Thinking capabilities tuned for programming.
Analyze screenshots and diagrams.
Large context for codebases.
Good price-performance for code-focused work.
Affordable code-specialized model.
Available in AdaL CLI and Desktop through the model selector
Use the coding environment where AdaL already understands your repo, tools, and task context.
Open the model selector and choose your model from the list.
Ask AdaL to inspect, plan, edit, test, and review with your chosen model powering the agent loop.
Key details about GPT-5.3 Codex
"Codex models are optimized specifically for code — use them for focused programming tasks."
AdaL
"More affordable than general-purpose models for code-specific work."
Pricing
"Code-tuned reasoning for programming tasks."
Performance
"Available now in AdaL CLI and Desktop."
Availability
Open AdaL CLI or Desktop, run /model, and choose GPT-5.3 Codex.
Get Started with AdaL