Model · Google · Text
Gemini 4 Argon
Google's flagship reasoning model and the first of the Gemini 4 generation — its most capable model for complex coding, agentic, math, and science work. Takes over the Pro tier from Gemini 3.1 Pro Preview.
- Modality
- Text
- License
- Proprietary (Proprietary)
- Context window
- 1,048,576 tokens Unified 1M-token limit shared by input and output. Output defaults to 64k tokens on synchronous requests, and long decode raises it up to the full 1M. Thinking levels are low / medium / high.
- Released
- October 13, 2026
- Last verified
- October 28, 2026
- Runs locally
- No
- Also handles
- vision, reasoning, code
Strengths
- Google's most capable model for complex coding, agentic, math, and science tasks
- 1M-token context across text, images, video, audio, and PDFs
- Long decode lets one response run up to 1M output tokens
- Code execution, function calling, structured outputs, file search, URL context, and Google Search and Maps grounding; computer use in preview
- Introductory pricing of $2 / $10 per MTok through 2026-11-30
Weaknesses
- List pricing doubles to $4 / $20 per MTok on 2026-12-01
- Implicit caching only — explicit context caching is not supported
- Text output only — no image or audio generation, and no Live API
- Thinking tokens bill as output
- Closed weights
Try it
| Where | Type | Notes |
|---|---|---|
| Google AI Studio | hosted-api | API key required |
| Vertex AI | hosted-api | GCP enterprise |
Used in solutions
Official sources
- Model docs docs
- Gemini API changelog docs
Change log
- — Initial entry. GA 2026-10-13 per Google's Gemini API changelog as the new flagship, superseding Gemini 3.1 Pro Preview. 1M-token unified context, $2/$10 per MTok through 2026-11-30, then $4/$20 from 2026-12-01.
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