The claim practitioners have been passing around all week has a first-party source. OpenAI writes that "With Codex, GPT-5.6 Sol autonomously rewrote and optimized our production kernels, the core code that executes the mathematical…
In the News: July 30, 2026, Evening
OpenAI says GPT-5.6 Sol rewrote the production kernels that serve it, cutting end-to-end serving cost 20%, and publishes its harness rules.
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OpenAI says its own agent rewrote the kernels that serve its models, and publishes the harness rules alongside
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An agent got a bank account, an App Store product and 24 hours, and paid users to buy the product
An agent named Saul, running GPT 5.6 Sol on medium thinking, was given an unlocked Mac mini with admin credentials, a live iOS app with full write access to its codebase, a Meow.com checking account holding $250, a $100 virtual Visa, a…
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GitHub ships stacked pull requests, and names agent throughput as the reason the review queue broke
Stacks are an ordered series of pull requests, each targeting the layer below it, reviewable in parallel and mergeable one, some or all at once, with existing branch protections still governing what reaches main. It installs as a CLI…
Advancing the price-performance frontier with GPT-5.6
From today, Luna costs 80% less and Terra 20% less ($0.20/$1.20 and $2/$12 per million input/output tokens), the lower prices flow through to how usage is counted in Codex and ChatGPT Work, and Fast mode replaces Priority Processing in the API at 2.5x Standard speed for twice the price. Sol pricing is unchanged. Check anything in your factory that budgets against Priority Processing.
GCC steering committee announces AI policy
The thread stood at 209 points and 236 comments at roughly 10 hours old, read at 18:12 EDT on July 30, up from 166 and 201 at 15:12 EDT: a measured 14.8 points per hour against 3.2 in the preceding interval, a mid-life re-acceleration rather than an arrival spike. The LWN article has not been read, so nothing is reported here about what the policy says, only that the argument is still growing. This is the second consecutive edition carrying this line and therefore its last: the next appearance requires the primary to be read.