Shaping the Future of Agentic Development Powered by @callstackio š
Warsaw
Joined February 2017
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Callstack's coding model is live. Follow @apex__ai for live updates.
Announcing Apex: agentic coding model for mobile and web, specialized in React.
We built Apex from a single idea: can an open-weight model deliver frontier-level performance at lower cost?
Yes. Apex is SOTA in React Native and Next.js.
Try it now: apex.callstack.com
Agent Conf | Warsaw 2026 retweeted
Join Callstack, @jetbrains & @expo for From Design to Shipped: A Modern App Development Meetup on October 22, 2026 at the JetBrains Amsterdam office. Youāll here from:
š¹ MichaÅ PierzchaÅa (@thymikee): āFrom Design to Done in One Shot With a Cheap Modelā
š¹ Craig Walker & Kasper Peulen (@KasperPeulen): āAgents Didn't Kill the UI Developer Workflow - They Changed Itā
š¹ Cedric van Putten (@cedric_dev) from Expo
Doors open at 5:45 PM CEST. Free entry, pizza & drinks after the talks.
Sign up now: luma.com/i8wkxgyg
Agent Conf | Warsaw 2026 retweeted
For @AgentConf, I whipped up an @expo app that lets me do on device transcription, let's me take photos while it's recording, and creates summaries with Luna. It's the conference app that I've always wanted.
Agent Conf | Warsaw 2026 retweeted
Delighted to see @kentcdodds on stage again! This time at @AgentConf
Agent Conf | Warsaw 2026 retweeted
Day 1 in a nutshell: 500 people, 16 speakers, and hectoliters of specialty coffee.
Thank you to @grabbou, @thymikee, @kentcdodds, @nickwm, @jakubkuzimski, @davidmokos_, @dom_sipowicz, @piotrkarwatka, @anisha_malde, Kourtney Meiss, Zuzanna Skoczylas, Anjaneya Sastry Kappagantu, @artus9033, @LeSiOO, @davidbudac, and @TejasKumar_ for guiding us through the day. Awesome work.
Agent Conf | Warsaw 2026 retweeted
Got this cool little print out from a selfie from @GroundControl and @watchful_toast ā¤ļø
Agent Conf | Warsaw 2026 retweeted
From agent prompting, to parallel loops, to software factories by @thymikee at @AgentConf
Agent Conf | Warsaw 2026 retweeted
@thymikee from vibe coding to agentic engineering with @agent_device
Itās @AgentConf this time, yāall. Lock in for live updates.
Came early, caught the last bits of summer in Warsaw š
In Warsaw for #agentconf @reactuniverse_ , with @mat_kornacki. I'm really excited for the lineup they have.
Make sure you're paying attention to Poland šµš± during this AI boom.
Agent Conf | Warsaw 2026 retweeted
Give your AI coding agents a foundation to build on.
@OpenMercato is an open-source framework for building CRM and ERP applications, with authentication, permissions, business modules, and specs that give agents architectural context. Explore Open Mercato.
Weāre excited to welcome Open Mercato as a Partner of Agent Conf! See you in Warsaw.
Agent Conf | Warsaw 2026 retweeted
Lech Kalinowski (@LeSiOO) from Callstack is joining Agent Conf in Warsaw as a speaker. Together with Artur Morys-Magiera (@artus9033) heāll present a case study of Apex and look at the impact of quantization on LLM performance.
Get your ticket: agent.sh/tickets
Agent Conf | Warsaw 2026 retweeted
Artur Morys-Magiera (@artus9033) from Callstack is joining Agent Conf in Warsaw as a speaker.
Together with Lech Kalinowski (@LeSiOO), heāll present a case study of Apex and look at the impact of quantization on LLM performance.
Get your ticket: agent.sh/tickets
Agent Conf | Warsaw 2026 retweeted
Zuzanna Skoczylas from Sierra has a few words for you ahead of Agent Conf 2026. In her talk, sheāll share three lessons from building and shipping production agents: context engineering, the agent loop, and benchmarking model reliability.
Tickets: agent.sh/tickets
Agent Conf | Warsaw 2026 retweeted
Hello, Warsaw!
Now, this is not AI.
Agent Conf is coming to Warsaw, September 17-18.
Come join us and meet speakers from @OpenAI, @spacexai, @cursor_ai, @cognition and more... š„
ā”ļøTickets at agent.sh
