Aug 31, 2026 - Sep 6, 2026
What changed in AI models, week of Aug 31, 2026
15 new models, 0 price changes, 2 retirements and 0 new MCP servers.
- New models
- 15
- Price changes
- 0
- Retired or retiring
- 2
- MCP servers
- 0
New models 15
OpenAI released GPT-6 Astra Pro
Language models
OpenAI released GPT-6 Astra
Language models
Alibaba Cloud (Qwen) released Qwen3.8-Max
Language models
Meta released Muse Spark 1.3
Language models
xAI released Grok 4.7
Language models
Cohere released North Small Translate
Specialised
Google released Gemini 3.8 Flash
Language models
Google released Gemini 3.8 Flash TTS
Text to speech
Google released Gemini 3.8 Flash-Lite TTS
Text to speech
Anthropic released Claude Fable 5.1
Language models
Google released Gemini 3.8 Live
Voice and realtime
Google released Lyria 3.5
Music and sound
Anthropic released Claude Mythos 5.1
Language models
Anthropic released Claude Opus 5.5
Language models
Anthropic released Claude Sonnet 5.5
Language models
Retired or retiring 2
News 1
Claude Sonnet 5's $2 / $10 launch price becomes its standard price
Introduced as launch pricing through 31 August 2026, the $2 input and $10 output per million tokens is now permanent. The increase to $3 / $15 scheduled for 1 September 2026 will not happen.
Source