New AI Models – September 2025

5 models released in September 2025.

Release	Model	Family	Researcher	Context	Parameters
2025-09-29	Claude Sonnet 4.5 ReasoningVision	Claude 4.5	Anthropic	200K	—
2025-09-18	TheDrummer Skyfall 36B v2	Thedrummer	—	33K	36B
2025-09-01	Gemini 2.5 Flash-Lite Preview Vision	Gemini 2.5	Google DeepMind	1M	—
2025-09-01	Marin 8B Instruct	Marin	Marin	128K	8B
2025-09-01	Llama 3.3 70B Instruct Open	Llama 3.3	AI at Meta	128k	70