Google shipped @google/genai v2.25.0 on 2026-09-30 (npm ~22:51Z; 11 commits vs 2.24.0), aligning with Python google-genai 2.26.0: Gemini 3.8 Flash/Lite TTS model enums; dedicated Environments module with from_environment; labels on GenerateContent and LiveClientSetup; tuning gcs_metrics_uri.
Key Takeaways
- ✓Release v2.25.0 at 2026-09-30T22:17:33Z; npm @google/[email protected]; 11 commits vs 2.24.0
- ✓Gemini 3.8 Flash TTS + Flash Lite TTS enums (aligned with Python 2.26.0)
- ✓Environments module + from_environment; labels on GenerateContent/LiveClientSetup; tuning gcs_metrics_uri
- ✓
npm i @google/[email protected]; https://googleapis.github.io/js-genai/release_docs/
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Background
TS/Node voice agents need TTS enums and Environments parity with Python google-genai 2.26.0; multi-tenant billing needs labels.
What shipped
v2.25.0 (11 commits): Gemini 3.8 Flash/Lite TTS; Environments + from_environment; labels; tuning gcs_metrics_uri.
Benchmarks
No MOS/SWE numbers. Anchors: GitHub 2026-09-30T22:17:33Z; npm ~22:51Z.
Get started
npm i @google/[email protected]. Docs: https://googleapis.github.io/js-genai/release_docs/
Benchmark side-by-side against alternatives, or calculate monthly token cost vs subscription break-even.
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