Models changed just now while working

Google Antigravity
1

Anybody notice that?
So, i was forced to use a heavy token cosumer that eat 60% of my quota in just ONE planing to make an html row of cards!!!
Where´s Gemini Flash? one hour ago i was working as allways.

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2

Ah… well, if anybody asking same, here´s why including some TIPS:):

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ANTIGRAVITY / GEMINI API UPDATES SUMMARY (MAY 2026)

  1. WHAT HAPPENED TO THE 5-HOUR QUOTA?
  • The Culprit: The prompt accidentally ran on “Gemini 3.5 Flash (High)”.
  • The Cause: In Antigravity 2.0, the (High) tag activates the Full
    Autonomous Agent Mode.
  • Behind the Scenes: Instead of just returning a text response, the IDE
    spawned multiple sub-agents in parallel (planning, code generation,
    and live UI simulation to check the Bootstrap layout).
  • The Impact: This massive parallel processing triggered a huge
    computation spike, draining 60% of the global 5-hour rolling quota
    in a single click.
  1. THE NEW MODEL STRUCTURE IN ANTIGRAVITY 2.0

Google changed the naming to an infrastructure-based tier system:

  • Gemini 3.5 Flash (Low) → LOWEST COST (SAFE)
    Best for: Daily coding, simple Bootstrap layouts, PHP/ACF logic.

  • Gemini 3.1 Pro (Low) → MODERATE COST
    Best for: Longer refactoring without agent overhead.

  • GPT-OSS 120B (Medium) → MEDIUM COST
    Best for: Flat cost per prompt, predictable generation.

  • Claude Sonnet/Opus 4.6 (Thinking) → HIGH COST
    Best for: Complex logic (generates heavy hidden thinking tokens).

  • Gemini 3.5 Pro / Flash (High) → HIGHEST COST (DANGEROUS)
    Best for: Autonomous multi-file execution and background loops.

  1. GOOGLE AI STUDIO API VS. ANTIGRAVITY SUBSCRIPTION
  • Independent Pools: Using your API Key bypasses the Antigravity 5-hour
    compute limits entirely.
  • Pricing Difference:
    • “gemini-3.1-flash-lite” is still the cheapest ($0.075 / 1M tokens)
      for bulk tasks.
    • The new “gemini-3.5-flash” ($1.50 / 1M tokens) is much smarter and
      faster for active development, but it costs more than Lite.
  1. KEY TAKEAWAYS TO PROTECT YOUR WORKFLOW
  • Always keep “Gemini 3.5 Flash (Low)” selected as your default chat model.
  • Keep using inline Tab Completions (they remain unlimited and free).

  • Upgrading to Antigravity 2.0 is safe: it will automatically migrate
    your local settings.json, keybindings, and custom AI skills.