# Deepgram March 16, 2026 - Product: Deepgram (https://whatsnew.fyi/product/deepgram) - Vendor: Deepgram - Date: 2026-03-16 - Original notes: https://developers.deepgram.com/changelog/2026/3/16 - Permalink: https://whatsnew.fyi/product/deepgram/releases/2026-03-16-march-16-2026 What's New is an index, not a publisher: every entry below links to the vendor's own release notes, which are the authoritative source. Entries are labelled where they are hand-curated sample data, pre-releases, or drawn from a secondary source such as a developer blog. Reuse: the summaries, labels and curation here are Ā© What's New. Quote freely with attribution and a link back; wholesale republication of the corpus is not permitted ā€” terms: https://whatsnew.fyi/terms. The vendors' own release notes remain their publishers'. --- šŸ¤– New LLM Models Support & Bug Fixes We've added support for new LLM models in the Voice Agent API: OpenAI GPT-5.3 Instant ( gpt-5.3-chat-latest ) OpenAI GPT 5.4 ( gpt-5.4 ) Google Gemini 3.1 Flash Lā€¦ - **added** ā€” Support for OpenAI GPT-5.3 Instant (gpt-5.3-chat-latest) in the Voice Agent API - **added** ā€” Support for OpenAI GPT 5.4 (gpt-5.4) in the Voice Agent API - **added** ā€” Support for Google Gemini 3.1 Flash in the Voice Agent API