
Top stories today:
- Meta AI app debuts with Discover feed to take on ChatGPT
- Trump praises Bezos after Amazon denies plan to show tariffsā costs
- Xiaomi joins China AI race with MiMo open-weight AI model family
- Chinaās manufacturing activity hits its lowest level in ~2 years in Apr.
- Google Play apps -47% since start of 2024
0. Data and calendar

All values as of 6 AM ET / 3 AM PT, other than S&P500 and NASDAQ close (4 PM ET / 1 PM PT).

All times are ET.
Listen to our AI-generated podcast summarizing todayās newsletter (beware of hallucinations):
1. Meta AI app debuts with Discover feed to take on ChatGPT
Discover feed shows Meta AIās chats with users, including friends on Instagram and Facebook.
Users can like, comment on, share, and remix these AI posts.
Opt-in voice mode is also available at the forefront.
Uses Facebook and Instagram profile data in the U.S. and Canada to personalize responses.
Additionally, Meta has previewed an API for Llama AI models
Offers tools to fine-tune and evaluate Llama modelsā performance.
Built on top of Metaās recently released Llama 4 models.
Provides model-serving options via Cerebras and Groq.
Meta has also revealed that its Llama models have been downloaded 1.2B times

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3. Trump calls Bezos āvery niceā after Amazon denies plan to show tariffsā costs

Tue.: Trump called Bezos to complain about Amazonās reported plan to show tariff costs to consumers.
A āhostile and political act,ā White Houseās Karoline Leavitt said.
Shortly after, Amazon publicly downplayed the scope of its plan.
Amazon Haulās team āconsidered listing import charges on certain products,ā the company said.
Later, Amazon scrapped the plan entirely and said it āis not going to happen.ā
4. Xiaomi joins China AI race with MiMo open-weight AI model family
MiMo-7B-RL is projected to take on OpenAIās o1-mini, GPT-4o, and Alibabaās QwQ-32B-Preview:











