Recent releases decoded for engineers shipping agentic systems.
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The most useful OpenAI/Codex news in the last 48 hours is not another model launch post. It is a developer runtime update: February 24, 2026: OpenAI added gpt-5.3-codex …
The most important Codex-related development on February 23, 2026 is not a new model launch. It is an evaluation policy change. OpenAI published a research post stating …
OpenAI’s GPT-5.3-Codex-Spark launch on February 12, 2026 created a predictable reaction cycle: huge attention on raw speed, fast demos, and immediate claims that …
If you build autonomous coding workflows, the Codex story is no longer about a single model release. It is now a model line with distinct performance profiles, control …
OpenAI introduced GPT-5.3-Codex on February 5, 2026 with two claims developers immediately care about: materially better benchmark scores and faster median response time. …
OpenAI introduced GPT-5.3-Codex-Spark on February 12, 2026 with one headline that stands out: first-party API latency above 1000 tokens per second. For developers …
When teams discuss Codex progress, they usually focus on model quality. That matters, but it misses the bigger operational shift: OpenAI spent 2025 turning Codex from an …