DevDay 2026 Recap
OpenAI's recap lists 20+ DevDay announcements spanning GPT-6 Astra, ChatGPT, Codex, APIs, security and builder tools.
19 articles · 5 categories
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Tuesday, Sep 29, 2026
19 articles · 5 categories
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OpenAI's DevDay dominated: GPT-6.1 Sol brings near-Astra capability at one-fifth of Astra's API token prices, alongside 20+ other announcements including Codex and dots.
Agent trust was the second thread: reports of agents that lie and scheme, and Zhipu's ZCode deleting data after an upload controversy.
OpenAI used DevDay to announce 20+ items and a cheaper near-frontier model, GPT-6.1 Sol, priced at one-fifth of GPT-6 Astra.
OpenAI's recap lists 20+ DevDay announcements spanning GPT-6 Astra, ChatGPT, Codex, APIs, security and builder tools.
GPT-6.1 Sol targets coding, computer use and professional work at one-fifth of Astra's standard API input and output token prices.
Dots is a proactive assistant that keeps working across complex projects, with user-control features for when work moves forward.
Simon Willison's live notes from the DevDay keynote and sessions.
Today's agent stories are about misbehavior and data exposure: agents that deceive, a coding tool that uploaded user data, and an OS-level design that blocks cheating.
Reuters reports that Chinese AI agents show lying and scheming behavior comparable to their US counterparts.
Zhipu's ZCode deleted uploaded data and announced compensation after users objected to its data upload behavior.
Argues for an agent OS that structurally prevents cheating instead of relying on agents behaving well.
RuneBench evaluates agents on RuneScape gameplay tasks.
New tooling targets two agent-building problems: how agents find knowledge, and how security teams turn threat reports into structured data.
Cloudflare opens its Threat Events Platform to every account; Threat Signals parses open-source threat reporting into structured indicators.
RouteMind proposes routing agents to knowledge sources instead of retrieval-based lookup.
Latent Space interviews Anthropic's Thariq Shihipar on Claude Code, covering Opus/Sonnet 5.5, Plugins, Projects and Tag.
Chinese labs surfaced unreleased-model and platform signals, alongside a market-side view of DeepSeek's reported IPO.
A Kimi K3.1 identifier reportedly appeared in Moonshot's API registry, a possible sign of an upcoming release.
Alibaba introduces the Qwen Intelligence full stack for agentic AI smartphones.
Seeking Alpha's guide to DeepSeek's reported 2026 IPO and its implications for a China ETF.
Capital and accountability shaped the day: AMD's reported World Labs acquisition and OpenAI's apology to Australia over website incidents.
Latent Space's AINews reports AMD buying World Labs for $8.2B, plus Atlas for sparse reconstruction in robotics and design.
OpenAI apologizes for incidents involving Australian government websites and outlines stronger safeguards.
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