# Gemini 4 Argon

Gemini 4 Argon is Google's latest language model in our dataset, released Oct 13, 2026. Proprietary, API access only. Google's newest Gemini model: a multimodal frontier model that Google claims is #1 on the Vals Index, and that sits at #1 on the LMArena Text Arena snapshot we cite. Verified against vendor sources on Oct 26, 2026.

Last verified: 2026-10-26 · Evidence: Reported · Canonical: https://theagenticweekly.com/models/gemini-4-argon · JSON: https://theagenticweekly.com/api/models/gemini-4-argon

## Key facts

| Fact | Value | Source |
|---|---|---|
| Vendor | Google |  |
| Released | Oct 13, 2026 | https://blog.google/innovation-and-ai/models-and-research/gemini-models/introducing-gemini-4-argon/ |
| API id | `gemini-4-argon` | https://ai.google.dev/gemini-api/docs/models/gemini-4-argon |
| Context window | 1,048,576 tokens (1.05M). Unified input + output token limit. | https://ai.google.dev/gemini-api/docs/models/gemini-4-argon |
| Max output | 65,536 tokens. Default; Google lists up to 1,048,576 with long decode. | https://ai.google.dev/gemini-api/docs/models/gemini-4-argon |
| Input | text, image, video, audio, pdf | https://ai.google.dev/gemini-api/docs/models/gemini-4-argon |
| Output | text | https://ai.google.dev/gemini-api/docs/models/gemini-4-argon |
| Licence | Proprietary (API) | https://ai.google.dev/gemini-api/docs/pricing |
| Pricing | $2 in / $10 out per 1M tokens; from Dec 1, 2026: $4 / $20. Launch pricing runs through Nov 30, 2026, then $4 / $20. Not on the free tier. | https://ai.google.dev/gemini-api/docs/pricing |

## Vendor claims and neutral signals

- Vendor claim (Google): #1 on the Vals Index. We did not verify this.
- Neutral signal: #1 on LMArena Text Arena in the Oct 8, 2026 snapshot (score marked preliminary).

## What we tested

Nothing yet. We have not run Gemini 4 Argon ourselves, so every fact here is Reported from the sources below.

## Sources

- [Gemini API model page](https://ai.google.dev/gemini-api/docs/models/gemini-4-argon)
- [Gemini API pricing](https://ai.google.dev/gemini-api/docs/pricing)
- [Gemini API changelog](https://ai.google.dev/gemini-api/docs/changelog)
- [Google launch blog](https://blog.google/innovation-and-ai/models-and-research/gemini-models/introducing-gemini-4-argon/)
- [LMArena Text Arena](https://arena.ai/leaderboard/text)
- [Google announcement (Sep 30, limited access)](https://blog.google/innovation-and-ai/models-and-research/gemini-models/gemini-4-argon/)

Data licence: CC BY 4.0. Data: Agentic Weekly (https://theagenticweekly.com), CC BY 4.0.