AI model releases in May 2026

The confirmed release record for May 2026, grouped by provider and linked to the primary source used for each date.

19 confirmed releases15 providersData through May 31, 2026How releases are confirmed

May 2026

19 releases across 15 providers

Release	Provider	Confirmed	Evidence	BenchLM
May 2026· 19 releases
Cosmos3-Nano and Cosmos3-Super2 model variants	NVIDIA	May 31, 2026Exact day	NVIDIA Cosmos3 model cards (Hugging Face and GitHub release date May 31, 2026)NVIDIA Cosmos3 collection	Benchmarks
Step 3.7 Flash	StepFun	May 29, 2026Exact day	StepFun	Benchmarks
Claude Opus 4.8	Anthropic	May 28, 2026Exact day	Anthropic	Benchmarks
Mellum2 12B-A2.5B2 model variants	JetBrains	May 28, 2026Exact day	JetBrains Hugging Face	Benchmarks
LFM2.5-8B-A1B	LiquidAI	May 28, 2026Exact day	Liquid AI	Benchmarks
LFM2.5-1.2B-JP-202606	LiquidAI	May 26, 2026Exact day	Liquid AI Hugging Face	Benchmarks
LFM2.5-VL Extract2 model variants	LiquidAI	May 26, 2026Exact day	Liquid AI Hugging Face	Benchmarks
MiniCPM5-1B	OpenBMB	May 25, 2026Exact day	OpenBMB Hugging Face	Benchmarks
Hy-MT22 model variants	Tencent	May 21, 2026Exact day	Tencent Hugging Face	Benchmarks
Command A+	Cohere	May 20, 2026Exact day	Cohere	Benchmarks
Grok Build 0.1	xAI	May 20, 2026Exact day	OpenRouter	Benchmarks
Gemini 3.5 Flash	Google	May 19, 2026Exact day	Google DeepMind	Benchmarks
Composer 2.5	Cursor	May 18, 2026Exact day	Cursor	Benchmarks
Qwen3.7 Max	Alibaba	May 16, 2026Exact day	Qwen	Benchmarks
Interfaze Beta	Interfaze	May 11, 2026Exact day	Interfaze	Benchmarks
ZAYA1-VL-8B	Zyphra	May 8, 2026Exact day	Zyphra	Benchmarks
ZAYA1-74B-Preview	Zyphra	May 7, 2026Exact day	Zyphra	Benchmarks
ZAYA1-8B	Zyphra	May 5, 2026Exact day	Zyphra	Benchmarks
Sonic 3.5	Cartesia	May 4, 2026Exact day	Cartesia	Benchmarks