Nano Banana 2.1 (Gemini Nano Banana 2.1)
Knows up to March 2026Missing 747 events
gemini-nano-banana-2.1
$1.50 in, $7.50 out per 1M tokens
Made by Google DeepMind
Gemini 4 Argon has no published cutoff.
Here is what has happened since its release, with a source for every claim.
At least165AI events since its release on 30 September 2026
- 9 of them historic
- 13 AI models released after it in our model registry
- 7 days of news since its release
Google DeepMind doesn’t publish a training cutoff, so we count from its release date. The real gap is larger.
Model ids, prices and docs: Gemini 4 Argon in the model registry
Five things it has never heard of
-
Departing OpenAI safety lead David Robinson writes in The Atlantic
Confirmed
-
Mistral releases Mistral Large 4 (“le Chonk”)
Confirmed
-
Trump forms the ‘Super Intelligence Force’ (SIF), chaired by DNI Jay Clayton as AI czar, with 120 days to report on AI risks and opportunities
Confirmed
-
Reflection AI unveils Beam, a 501B-parameter Apache-2.0 open-weight MoE
Confirmed
Picked by rule: the biggest confirmed stories after its release, weighted toward news about its maker. Models often call such news fiction (case 020).
Four assistants, one scale
The four assistants we feature, for comparison. Gemini 4 Argon has no published cutoff, so it has no row of its own.
- GPT-6 Astra 226 at launch, 725 today
- Claude Opus 5.5 302 at launch, 665 today
- Gemini 3.8 Flash 243 at launch, 747 today
- Grok 4.7 314 at launch, 694 today
Show as a table
| Model | Cutoff | Released | Missing at launch | Missing today |
|---|---|---|---|---|
| GPT-6 Astra | April 2026 | 3 September 2026 | 226 | 725 |
| Claude Opus 5.5 | June 2026 | 22 September 2026 | 302 | 665 |
| Gemini 3.8 Flash | March 2026 | 2 September 2026 | 243 | 747 |
| Grok 4.7 | May 2026 | 21 September 2026 | 314 | 694 |
Your card
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postcutoff.com/you/gemini-4-argon.Other models from Google
With their training cutoffs and what each is missing.
All 41 models from GoogleGemini 3.8 Flash
Knows up to March 2026Missing 747 events
gemini-3.8-flash
$0.75 in, $3.75 out per 1M tokens
Gemini Robotics-ER 1.5 / 1.6
Knows up to January 2025Missing 881 events
gemini-robotics-er-1.6-preview
Price not published
Gemini 2.5 Flash
Knows up to January 2025Missing 881 events
gemini-2.5-flash
$0.30 in, $2.50 out per 1M tokens
Gemini 2.5 Pro
Knows up to January 2025Missing 881 events
gemini-2.5-pro
$1.25 in, $10 out per 1M tokens