What this page answers
GPT-5.1-Codex-Mini is a smaller and faster version of GPT-5.1-Codex
- OpenAI · openai/gpt-5.1-codex-mini
- text+image->text · global model route
- 400,000 context · $0.25 input
Model catalog profile
OpenAI: GPT-5.1-Codex-Mini | API profile
Start with OpenAI: GPT-5.1-Codex-Mini model ID, modality, and parameter surface, then decide whether to continue to a key check or integration test.
Provider
OpenAI
62 models in catalog
Context
400,000
global model route
Input
$0.25
USD / 1M tokens
Output
$2
USD / 1M tokens
Before connecting
Do not stop at the model name. Before integration, verify base URL, protocol, visible models, parameters, and limits together.
- supports include_reasoning
- supports max_completion_tokens
- supports max_tokens
- supports reasoning
- supports response_format
Next action
After this page, the usual next step is to open the model profile, the provider profile, or run a key check to confirm the real callable range.
- Check whether the model fits the use case
- Then verify key permission and callable models