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OpenAI · Language model

GPT Mini Latest

~openai/gpt-mini-latest
  • Language
Released Apr 27, 2026

This model always redirects to the latest model in the GPT Mini family.

Specifications

Context window
400,000 tokens
Max output
128,000 tokens
Input
file, image, text
Output
text
Reasoning effort
xhigh, high, medium, low, none
Tokenizer
Router
Knowledge cutoff
2025-08-31

Supported parameters

Accepted by the model and forwarded as-is by the gateway.

  • max_completion_tokens
  • max_tokens
  • reasoning
  • reasoning_effort
  • response_format
  • seed
  • structured_outputs
  • tool_choice
  • tools

Use it

POST /api/v1/chat/completions · MCP chat · full reference

curl https://omnirail.org/api/v1/chat/completions \
  -H "Authorization: Bearer $OMNIRAIL_KEY" -H "Content-Type: application/json" \
  -d '{"model":"~openai/gpt-mini-latest","messages":[{"role":"user","content":"Hello"}],"max_tokens":300}'