gpt-5.1-codex-mini

Review gpt-5.1-codex-mini capabilities, pricing, and API integration details.

Original model description: GPT-5.1 Codex Mini is an AI model provided by opencode.

Model overview

Billing
Token-based billing
Supported API endpoints
openai

Capabilities and tags

  • 400K
  • Files
  • Reasoning
  • Tools
  • Vision

Pricing information

Base input price per million tokens: $0.25 USD; Base output price per million tokens: $2 USD. Final pricing may vary by user group.

Token-based billing multiplier: 0.125; output multiplier: 8.

Cached input multiplier: 0.1

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