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Google · Frontier

Gemini 4 Argon

Added Oct 13, 2026

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Use in the app

Google's Gemini 4 Argon is a flagship reasoning model for complex software engineering, mathematical and scientific problem solving, and multi-step agents. It accepts text, images, audio, video, and PDFs, with tool calling and structured outputs. Its 1,048,576-token context is shared across input, thinking, and output; synchronous output is capped at 65,536 tokens.

  • Reasoning
  • Tools
  • Vision
  • Structured output
  • PDF input
  • Audio input
  • Video input
Input
Text, Images, Video, Audio
Output
Text
Reasoning effort
low · medium · high
Discovery tier
Frontier

Pricing

USD per 1M tokens
Input
$2.00
Output
$10.00
Cache read
$0.10
Cache write
$0.19

Reference prices as published by the model provider. API example

Specifications

Context window
1M
Max output
65.5K
Average output (7 days)
1.6K tokens
Longer than 87% of 473 models

Side by side

Gemini 4 Argon compared

Specifications, prices, speed and benchmark scores next to each other. Benchmarks below show every compared model too.

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Gemini 4 ArgonGoogleThis modelGemma 4 26B A4B Chimera X HereticGoogleRemove
ProviderGoogleGoogle
Discovery tierFrontierOpen weights
AddedOct 13, 2026Oct 8, 2026
Limits
Context window1.05MBest262.14K
Max output65.54KBest32.77K
Average output1.6K tokens315 tokens
Pricing, USD per 1M tokens
Input$2.00$0.12Best
Output$10.00$0.38Best
Cache read$0.10$0.06Best
Cache write$0.19—
Performance
Throughput113.7 tok/sBest72.1 tok/s
Time to first token10.0 s2.1 sBest
Request success (24h)98.5%Best97.7%
Benchmark indexes
Intelligence Index52.6—
Capabilities
ReasoningYesYes
ToolsYesYes
VisionYesYes
Structured outputYesNo
PDF inputYesNo
Audio inputYesNo
Video inputYesNo
Reasoning effortlow, medium, high—

Public evaluations

Benchmarks

Independent evaluation results, with how each score ranks among the models in the Noumen catalog.

  • Gemini 4 Argon
  • Gemma 4 26B A4B Chimera X Heretic

Intelligence Index

  • Gemini 4 Argon52.6
  • Gemma 4 26B A4B Chimera X Heretic—

Gemini 4 Argon tested at high reasoning effort

Gemini 4 Argon: Better than 97% of 326 scored models

3.8Catalog models by score55.1

Agentic work

  • AutomationBench-AA

    Workflow automation, penalized for guardrail violations

    • Gemini 4 Argon: 77.5%
    • Gemma 4 26B A4B Chimera X Heretic: —

  • AutomationBench-AA tasks completed

    Workflows finished end to end without a guardrail violation

    • Gemini 4 Argon: 53.1%
    • Gemma 4 26B A4B Chimera X Heretic: —

  • Harvey LAB-AAv1.1

    Legal tasks passed in full, with no material hallucination

    • Gemini 4 Argon: 3.9%
    • Gemma 4 26B A4B Chimera X Heretic: —

  • AA-Briefcasev1.1

    Agentic knowledge work, rated head to head

    • Gemini 4 Argon: 1,486 Elo
    • Gemma 4 26B A4B Chimera X Heretic: —

  • GDPval-AAv2.1

    Economically valuable occupational tasks, rated head to head

    • Gemini 4 Argon: 1,624 Elo
    • Gemma 4 26B A4B Chimera X Heretic: —

Document reasoning

  • GDP.pdf

    Professional reasoning over PDF documents, all-pass rate

    • Gemini 4 Argon: 21.8%
    • Gemma 4 26B A4B Chimera X Heretic: —

  • AA-LCRv1.1

    Reasoning across long documents

    • Gemini 4 Argon: 79.7%
    • Gemma 4 26B A4B Chimera X Heretic: —

  • MLCR-AA

    Long-context reasoning over medical records

    • Gemini 4 Argon: 13.9%
    • Gemma 4 26B A4B Chimera X Heretic: —

Reasoning and knowledge

  • Humanity’s Last Exam

    Expert-level questions across academic fields

    • Gemini 4 Argon: 57.1%
    • Gemma 4 26B A4B Chimera X Heretic: —

Coding

  • Terminal-Benchv4.0

    Practical software engineering in a terminal

    • Gemini 4 Argon: 57.1%
    • Gemma 4 26B A4B Chimera X Heretic: —

  • SciCode

    Scientific computing in Python

    • Gemini 4 Argon: 61.8%
    • Gemma 4 26B A4B Chimera X Heretic: —

Legacy evaluations

  • AA-LCR (unversioned)

    Long-context reasoning, earlier grading

    • Gemini 4 Argon: 79.7%
    • Gemma 4 26B A4B Chimera X Heretic: —

Scores from Artificial Analysis, updated Oct 26, 2026. Gemini 4 Argon was tested at high reasoning effort; compare scores measured at the same effort.Artificial Analysis

Live routing data

Performance and reliability

Recent averages across requests routed for this model. Your own speed depends on prompt length, reasoning effort and load.

Throughput
113.7 tok/s
Faster than 67% of 257 models
Time to first token
10.0 s
Quicker than 9% of 257 models
Prompt cache hits
40.9%
About $1.22 per 1M input tokens with caching
Request success (24h)
98.4%
Reliable

Cache hits are the share of input tokens recently served from a prompt cache across all requests. They are not a forecast of your own hit rate.

Hourly request success · last 72 hoursLowest hour 94.1%
  • Healthy (98% or more)
  • Degraded (90–98%)
  • Down (under 90%)
  • No requests

Developers

Use it through the API

Noumen’s API is OpenAI-compatible: any Chat Completions client works with a base URL and a key.

Read the quickstart
curl https://www.noumen.xyz/api/v1/chat/completions \
  -H "Authorization: Bearer $NOUMEN_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "google/gemini-4-argon",
    "reasoning_effort": "medium",
    "messages": [{ "role": "user", "content": "Explain this stack trace." }]
  }'
import os
from openai import OpenAI

client = OpenAI(base_url="https://www.noumen.xyz/api/v1", api_key=os.environ["NOUMEN_API_KEY"])
reply = client.chat.completions.create(
    model="google/gemini-4-argon",
    messages=[{"role": "user", "content": "Explain this stack trace."}],
)
print(reply.choices[0].message.content)

Google

Other Google models, starting with the same family.