OpenAI/GPTActive

GPT-5.1-Codex-Mini

GPT-5.1-Codex-Mini is a smaller and faster version of GPT-5.1-Codex

Compare this modelView official documentation
Context
400K
Max output
128K
Input
$0.25
Output
$2
DECISION SUMMARY

Recommended use cases

AgentsLong contextMultimodal

Strengths in this dataset

  • 400,000-token context window
  • image, text input
  • 9 supported API parameters listed

Limits and caveats

  • Provider behavior and pricing can change; verify the linked sources before production use.
CAPABILITIES

Capability

Model-native facts

Model
Reasoning
Supported
Open weights
Unknown

Provider endpoint facts

Provider endpoint
Tool calling
Supported
Structured output
Supported
Streaming
Unknown
Prompt cache
Supported
Batch
Unknown
Fine-tuning
Unknown
PROVIDER PRICING

GPT-5.1-Codex-Mini Provider pricing

Provider endpoint: openai/gpt-5.1-codex-mini

Input
$0.25
per 1M tokens
Output
$2
per 1M tokens
Cached input
$0.03
per 1M tokens
Image output
Unknown
per 1M tokens
SOURCE RECORDS

Sources and verification

OpenRouter Models API

Fields: identity, description, modalities, context window, maximum output, pricing, supported parameters

MODEL FAQ

Frequently asked questions

Answers are generated from the same sourced model and provider facts shown above.

GPT-5.1-Codex-Mini is a smaller and faster version of GPT-5.1-Codex

Model specifications and prices may vary by provider and change over time. AIToolly displays sources and verification dates so users can confirm critical details before production use.