Gemini 4 Argon
Summary
Gemini 4 Argon is a proprietary language model from Google DeepMind, released on 13 Oct 2026. It accepts text, images, video, audio and PDFs and generates text, with a 1M-token context window and up to 33K output tokens per response. As of 17 Oct 2026, the lowest listed API price is $2 per million input tokens and $10 per million output tokens (Gemini API), across 4 providers we track.
Google's flagship reasoning model for complex software engineering, deep math and science, and long-horizon autonomous agents
Last verified 17 Oct 2026. Every figure on this page links to its source.
Specifications
| Developer | Google DeepMind |
|---|---|
| Release date | 13 Oct 2026 [models.dev] |
| Status | Generally available [models.dev] |
| Weights | Proprietary (API only) [models.dev] |
| Context window | 1M (1,048,576 tokens) [models.dev] |
| Max output | 33K tokens [models.dev] |
| Knowledge cutoff | Mar 2026 [models.dev] |
| Input | Text, images, video, audio and PDFs [models.dev] |
| Output | Text [models.dev] |
| Reasoning mode | Yes [models.dev] |
| Tool calling | Yes [models.dev] |
| Structured output | Yes [models.dev] |
Gemini 4 Argon API pricing by provider
USD per million tokens. Sorted by input price.
| Provider | Input | Output | Cached input | Context | Source |
|---|---|---|---|---|---|
| Gemini API gemini-4-argon | $2 | $10 | $0.10 | 1M | models.dev, 17 Oct 2026 |
| Google Vertex AI gemini-4-argon | $2 | $10 | $0.10 | 1M | models.dev, 17 Oct 2026 |
| OpenRouter google/gemini-4-argon | $2 | $10 | $0.10 | 1M | OpenRouter, 17 Oct 2026 |
| Vercel AI Gateway google/gemini-4-argon | $2 | $10 | $0.10 | 1M | models.dev, 17 Oct 2026 |
Frequently asked questions
What is the context window of Gemini 4 Argon?
Gemini 4 Argon has a context window of 1,048,576 tokens (1M) and can generate up to 32,768 tokens in a single response, according to models.dev.
How much does the Gemini 4 Argon API cost?
Through Gemini API, Gemini 4 Argon costs $2 per million input tokens and $10 per million output tokens. Prices last verified 17 Oct 2026.
Is Gemini 4 Argon open source?
No. Gemini 4 Argon is a proprietary model; Google DeepMind has not released its weights. It is available through APIs including Gemini API, Google Vertex AI, OpenRouter, Vercel AI Gateway.
When was Gemini 4 Argon released?
Google DeepMind released Gemini 4 Argon on 13 Oct 2026, according to models.dev.
Which providers offer Gemini 4 Argon?
We track Gemini 4 Argon on 4 providers: Gemini API, Google Vertex AI, OpenRouter, Vercel AI Gateway.
Change history
- Now listed on OpenRouter
- Added to the directory
- Now listed on Gemini API
- Now listed on Vercel AI Gateway
- Now listed on Google Vertex AI
Sources
- https://github.com/sst/models.dev/blob/dev/providers/google/models/gemini-4-argon.toml
- https://github.com/sst/models.dev/blob/dev/providers/google-vertex/models/gemini-4-argon.toml
- https://openrouter.ai/google/gemini-4-argon
- https://github.com/sst/models.dev/blob/dev/providers/vercel/models/google/gemini-4-argon.toml