Practical test: Using Gemini 3 Pro (high) Question: Which model are you currently using for thinking? Answer: The model I am currently using to think and answer your questions is Google Gemini 2.0 Flash (Thinking process is powered by Gemini 2.0 Flash). Practical test: Using Gemini 3 Flash Quest…

Hello @nash_g , Thank you for sharing your observations. Please be aware that Large Language Models (LLMs) often suffer from ‘Identity Hallucination.’ Here is a more detailed comment on this.

Please refer this also. [image] Claude Opus shows as "Claude Sonnet 4" when asked about model identity in Antigravity IDE Google Antigravity [image] Issue Summary When using Claude Opus 4.5 in Antigravity IDE and asking the agent “What model are you?”, it con…

Hello, Thanks for the explanation about identity hallucination. I understand that LLMs may sometimes guess their identity when the model version is not clearly provided through system instructions. However, this explanation does not fully match what we are seeing. If this were simple hallucinatio…

Adding to this—I’ve got the same routing bug, and the token buckets are the smoking gun. Even though I never selected Gemini, my Gemini usage is depleting (e.g., at 80% while Claude is at 60%). If the UI shows Claude Opus/Sonnet 4.5 (Thinking) and that’s what I’m paying for, why is Gemini’s bucket …

Thank you for sharing your observations regarding model behavior. We understand that the underlying model identifiers can sometimes appear different than expected, and we would like to provide some technical context on how Antigravity processes requests. When a specific reasoning model is selecte…

The model list in Antigravity is misleading; Gemini 3 Pro is actually Gemini 2.0 Flash, and Claude Opus 4.5 is actually Claude 3.5 Sonnet

Google Antigravity

ihssmaheel February 3, 2026, 5:16am 3

Please refer this also.

Topic		Replies	Views
How can I know what model I'm actually using? Google Antigravity bug , models	6	485	February 15, 2026
Model Mismatch: UI Shows Claude Sonnet 4.5 (Thinking) but Response Quality Suggests Lower-Tier Model Google Antigravity model	2	170	February 6, 2026
Claude Opus shows as "Claude Sonnet 4" when asked about model identity in Antigravity IDE Google Antigravity bug	8	973	May 18, 2026
Question: How can we verify which model Antigravity actually used for a given response? Google Antigravity bug , api , models	4	337	January 29, 2026
I found that AntiGravity has been severely castrated Google Antigravity models , gemini , gemini-3	3	373	March 17, 2026

The model list in Antigravity is misleading; Gemini 3 Pro is actually Gemini 2.0 Flash, and Claude Opus 4.5 is actually Claude 3.5 Sonnet

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