Gemini 4 Argon - Kyma API

Overview

Google’s flagship reasoning model, built for complex software engineering, math and science problems, and autonomous multi-step agents. 1M context, 64K output, text, image, audio, video and file input, reasoning, tool calling, structured outputs.

Specs

Field	Value
Model ID	`gemini-4-argon`
Best for	Hard reasoning, software engineering and long-horizon agentic work
Context window	1.048576M
Max output tokens	66K
Input modalities	Text, Image, Video, File, Audio
Output modalities	Text
Tool calling	Yes
Structured outputs	Yes
Prompt caching	Yes
Vision	Yes
Reasoning	Yes
Speed	Medium
Cost band	Premium
Release stage	Stable

Pricing

	Per 1M tokens
Input	$2.70
Output	$13.50

Promotional rate, promised through 2026-11-30. The list rate it returns to is $5.40 input and $27.00 output per 1M tokens.

Example

from openai import OpenAI

client = OpenAI(base_url="https://kymaapi.com/v1", api_key="kyma-...")

response = client.chat.completions.create(
    model="gemini-4-argon",
    messages=[{"role": "user", "content": "..."}],
    tools=[...],  # function calling supported
)

Agent query example

Ask the API which models fit, instead of hardcoding an id:

curl "https://kymaapi.com/v1/models?recommended_for=chat&tools=true&quality_tier=frontier-open"

​Overview

​Specs

​Pricing

​Example

​Agent query example

Overview

Specs

Pricing

Example

Agent query example