Best AI Development Tools launches this week

9 best AI Development Tools startup and company launches this week, ranked by verified X views on Launch Archive.

9 launches
1

Introducing Claude Sonnet 5.5, the second model in the Claude 5.5 family. It’s a clear upgrade over Sonnet 5, runs more than 30% faster, and costs up to 30% less for most work. https://t.co/UvXD8mDTF1

Sep 28, 2026
Views12.35M
Comments1.89k
Reposts4.44k
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2

Introducing Team Bots, shared AI teammates that learn as your team works with them. Give your Team Bot the skills, plugins, and credentials it needs for its role, then work with it in Slack or Grok Bot. https://t.co/73RrG4xpaU

Sep 28, 2026
Views10.74M
Comments359
Reposts543
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3

Today we’re introducing Gemini 4 Argon. It delivers frontier performance in complex workflows across real-world software engineering, knowledge work, and cybersecurity defense with an industry-leading 1M token output limit. https://t.co/oDaCoOLu5E

Sep 30, 2026
Views9.17M
Comments1.49k
Reposts4.71k
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4
5
6

We're releasing HeyGen Video, built for businesses that need production-quality video without production-level costs. Pricing starts at $0.01/s through October (50% off) Built on @Minimax_AI H3, post-trained by HeyGen. Learn more: https://t.co/O7LDjVOlqH https://t.co/wIfXnTPOfB

Sep 30, 2026
Views1.34M
Comments669
Reposts516
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7

You’ve spent years teaching people how your company works. Your AI needs that knowledge too. Introducing Connect AI Gateway. It routes, governs, and learns from AI requests, building a system of record for how your company thinks. Early access is live: https://t.co/3pFkadf0K4 https://t.co/BuavwaiObV

Sep 29, 2026
Views1.30M
Comments154
Reposts405
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8

Eleven v4 Turbo is now available in ElevenAgents, bringing the #1 rated quality of Eleven v4 to live conversations with a median inference latency of ~100 ms. ElevenAgents can now power even more personal, empathetic customer experiences across industries. https://t.co/24izvhKZPN

Sep 29, 2026
Views235.5k
Comments35
Reposts47
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9

Today the EF and OA announce zkAPI—a new means for private AI Picture this: deposit ether into a vault, sign a zk proof, get a fixed amount of private inference. Advances like these help us move past middlemen's requirements that we link our data and identities. Read more below https://t.co/7tOHRmXM4r https://t.co/LBy0Xz6cyi

Oct 1, 2026
Views184.5k
Comments72
Reposts213
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