Gemini 4 Argon (restricted preview)
FrontierClosedGoogle’s announced frontier model, initially restricted to trusted cyber defenders in the Fairwind program while broader safeguards and access are prepared.
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Best for: Long-horizon coding research · Enterprise knowledge-work evaluation
Watch out: Restricted preview, not generally available. Google’s API model list does not yet publish a stable model ID or verified context limit. The 1M figure here is the announced maximum output, not a confirmed input context window.
- Released
- September 30, 2026
- Input / 1M
- Not verified
- Output / 1M
- Not verified
- Context
- Not verified
- Max output
- 1M