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Google · Language model

Gemini 4 Argon

google/gemini-4-argon
  • Language
Released Oct 13, 2026

Gemini 4 Argon is Google's flagship reasoning model, built for complex software engineering, deep mathematical and scientific problem solving, and autonomous multi-step agents. Google trained it to keep context across...

Specifications

Context window
1,048,576 tokens
Max output
65,536 tokens
Input
audio, file, image, text, video
Output
text
Reasoning effort
high, medium, low (always on)
Tokenizer
Gemini

Supported parameters

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

  • max_tokens
  • reasoning
  • reasoning_effort
  • response_format
  • seed
  • stop
  • structured_outputs
  • temperature
  • tool_choice
  • tools
  • top_p

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":"google/gemini-4-argon","messages":[{"role":"user","content":"Hello"}],"max_tokens":300}'