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Release notes
Google's official release notes. Antigravity: Google's AI coding app. Gemini CLI: Gemini in a terminal window. Gemini app: the website and phone app. Gemini API: what developers build with.
Gemini API
Gemini 2.5 models access update: To ensure reliable performance for everyone, we are limiting access to the 2.5 models to users who have actively used them in the past. These models are not deprecated and will continue to be served until further notice through the API. For any new projects, use our latest models: 3.5 Flash-Lite or 3.8 Flash. This helps us maintain sufficient capacity for both ongoing legacy workflows and new applications.
Gemini API
Antigravity Agent 09-2026: Released antigravity-preview-09-2026, which replaces and deprecates antigravity-preview-05-2026. If you run on a remote sandbox (environment: "remote") and read only output_text or model_output steps, update the agent string and nothing else changes. If you run tools locally (local_environment) or parse function_call steps, the built-in tools changed. Parameters use PascalCase instead of snake_case, and file edits use line-range replacements instead of full rewrites. Capability 05-2026 09-2026 File creation write_file(path, content) write_to_file(TargetFile, CodeContent, Overwrite, Description) File editing write_file(path, content), full rewrite replace_file_content(TargetFile, StartLine, EndLine, TargetContent, ReplacementContent) File reading read_file(path, offset, limit), byte offsets view_file(AbsolutePath, StartLine, EndLine, ContentOffset) Directory listing list_files(path) list_dir(DirectoryPath) File and code search None, agents used shell commands find_by_name(SearchDirectory, Pattern, MaxDepth) and grep_search(SearchPath, Query, IsRegex) Shell execution code_execution(command, timeout_seconds) Unchanged Web search google_search(queries) Unchanged See the Antigravity Agent guide. antigravity-preview-05-2026 shuts down on October 5, 2026, tracked on the deprecations page.