AI model releases in April 2025

The confirmed release record for April 2025, grouped by provider and linked to the primary source used for each date.

11 confirmed releases8 providersData through Apr 30, 2025How releases are confirmed

April 2025

11 releases across 8 providers

Confirmed releases

Release	Provider	Confirmed	Evidence	BenchLM
April 2025· 11 releases
Phi-4-reasoning2 model variants	Microsoft	Apr 30, 2025Exact day	Microsoft	Benchmarks
Qwen3 235B-A22B2 model variants	Alibaba	Apr 29, 2025Exact day	Alibaba	Benchmarks
Qwen3 32B2 model variants	Alibaba	Apr 29, 2025Exact day	Alibaba	Benchmarks
Kimi-Audio	Moonshot AI	Apr 25, 2025Exact day	Moonshot AI	Benchmarks
o3	OpenAI	Apr 16, 2025Exact day	OpenAI	Benchmarks
o4-mini2 model variants	OpenAI	Apr 16, 2025Exact day	OpenAI	Benchmarks
Aura-2	Deepgram	Apr 15, 2025Exact day	Deepgram	Benchmarks
GPT-4.1 family3 model variants	OpenAI	Apr 14, 2025Exact day	OpenAI	Benchmarks
Llama-3.1-Nemotron-Ultra-253B	NVIDIA	Apr 7, 2025Exact day	NVIDIA	Benchmarks
Llama 4 family2 model variants	Meta	Apr 5, 2025Exact day	Meta	Benchmarks
MiniMax Speech-02	MiniMax	Apr 2, 2025Exact day	MiniMax	Benchmarks

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