Gemini 4 Argon configurations surface: 256K/512K/900K context tiers with quota multipliers
testingcatalog · x · 2026-10-10
testingcatalog documented the Gemini 4 Argon leaks with added detail:
- Argon references in Antigravity 2.0 Insiders include three context configs: default 256K, 512K at 1.3x quota per turn, and 900K at 1.8x, mirroring existing Gemini Flash options; the context-vs-reasoning-effort mapping remains unclear.
- Barium-B is the internal checkpoint chosen for public Argon; Carbon is a separate, potentially stronger iteration tested via Jetski (an internal Antigravity name), with employee feedback putting it near Claude Opus 5.5 on coding.
- Gemini Web has unified low/medium/high thinking-effort selectors across models, seen as groundwork for Gemini 4.
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