Derrick Choi · builders · openai ☆ FOLLOW 50 topic(s) over 14 day(s) — agents, system_design, architecture. on X ↗
CARD NO. 2026-10-05 Google launches Gemini 4 Argon with a 1 million token output limit architecture · 23 voicesChatGPT expands plugin ecosystem and rolls out capacity upgrades for GPT-6.1 Sol system_design · 15 voicesChatGPT adds native support for building and deploying MCP servers directly system_design · 12 voicesOpenAI prepares to launch an always-on assistant named o or Aeon agents · 4 voicesSummary of recent AI industry announcements and updates system_design · 4 voicesOpenAI launches Dots integrating ChatGPT memory and competing in the bot market agents · 3 voicesOpenAI hosts a live keynote event with an online livestream system_design · 3 voices
CARD NO. 2026-10-04 ChatGPT expands its plugin system and integrates new automation features system_design · 16 voicesCodex adds high-speed tier and cloud environments for programming tasks system_design · 15 voicesChatGPT platform adds capability to host and deploy MCP servers system_design · 11 voicesGemini 4 Argon supports 1M output tokens while Claude Fable 5.5 rolls out inference · 9 voicesOpenAI prepares to unveil its new autonomous agent system agents · 4 voicesOpenAI releases Dots featuring comprehensive ChatGPT memory integration agents · 3 voicesOpenAI hosts a keynote event livestreamed at 10 AM PT system_design · 3 voices
CARD NO. 2026-10-03 ChatGPT opens its platform allowing users to build native plugin apps system_design · 15 voicesCodex adds premium speed tiers and cloud environments system_design · 15 voicesOpenAI develops assistant competing with existing bot offerings agents · 3 voicesOpenAI teases always-on agent capabilities for upcoming DevDay event agents · 3 voices
CARD NO. 2026-10-02 OpenAI launches cloud environments for Codex and resolves system outage system_design · 10 voicesOpenAI prepares to reveal its always-on agent model agents · 4 voicesOpenAI unveils new products and updates at DevDay system_design · 4 voicesOpenAI releases Dots to compete with Grok Bot and Muse agents · 3 voicesOpenAI schedules DevDay keynote with livestream system_design · 3 voicesOpenAI prepares to unveil new always-on agent features at DevDay agents · 3 voices
CARD NO. 2026-10-01 OpenAI releases GPT-6.1 and patches vision bugs across GPT-6 models architecture · 21 voicesChatGPT expands its plugin platform and team collaboration features agents · 17 voicesRecap of major announcements and product launches at OpenAI DevDay system_design · 4 voicesOpenAI prepares to launch always-on agents at DevDay agents · 3 voices
CARD NO. 2026-09-30 Grok 4.7 claims top ranking on the AA cyber index evaluation · 22 voicesAnthropic launches Claude Sonnet 5.5 with speed and efficiency gains architecture · 15 voicesChatGPT Voice integrates plugins and expands workspace capabilities multimodal · 5 voicesOpenAI prepares to unveil continuous agent products and productivity upgrades agents · 4 voicesOpenAI teases always-on agents ahead of the DevDay event agents · 3 voices
CARD NO. 2026-09-29 GPT-6 Sol and GPT-6 Luna launched with API prices 50% lower inference · 17 voicesChatGPT integrates workspace tools and expands high-tier subscription plans agents · 13 voicesOpenAI resolves service disruption affecting Codex system_design · 10 voicesOpenAI prepares for DevDay and expands capabilities for Astra agents · 10 voicesOpenAI prepares major announcements for always-on autonomous agents agents · 4 voices
CARD NO. 2026-09-28 ChatGPT Voice integrates plugins and introduces new pricing tiers multimodal · 15 voicesCodex resolves service outage and updates visual processing features system_design · 14 voicesOpenAI and xAI announce model lineups and benchmark improvements evaluation · 11 voices
CARD NO. 2026-09-27 OpenAI introduces GPT-6 Sol and GPT-6 Luna models architecture · 19 voicesChatGPT Voice integrates plugins and expands pricing tiers multimodal · 15 voicesGitHub Copilot introduces Autopilot and integrates GPT-6 family models agents · 12 voicesDigitalOcean launches Managed Agents in public preview agents · 11 voices
CARD NO. 2026-09-22 Codex renews its open-source support program with 10,000 grants and integrates the Images 2.5 model multimodal · 8 voices
CARD NO. 2026-09-21 Claude merges Cowork and chat features while Codex expands open-source grants agents · 15 voices
CARD NO. 2026-09-20 Codex integrates Image 2.5 model and renews its open-source grant program agents · 15 voices
CARD NO. 2026-09-19 Codex renewed its OSS support program with Pro plans and doubled grants backend · 10 voices