completely unprompted wow moment from today – asked @DevinAI to make us a @tbpn style breaking news style announcement card for our AIEWF speakers drop tmr, FULLY expecting it to fail at a heavily visual task and it oneshotted the WHOLE DAMN THING
@swyx
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Doubt about vibecoding charts with no one checking
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yeah also doubt. people just be vibecoding charts all over because who's really checking
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Origin: Cursor AI’s long awaited Git competitor announced
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Cursor/Graphite’s @TomasReimers just announced Origin @cursor_ai
’s long awaited Git competitor, scalable for agent workloads, extensible with api and mcp, and built in merge conflicts and co failure agent resolution -
When the double descent phenomenon kicks in
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when that double descent kicks in pic.twitter.com/XdxBiLfUdQ
— swyx @aiDotEngineer WF (@swyx) 15 juin 2026when that double descent kicks in
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Anthropic Ultracode: Intelligent Subroutines for Token Burning and Parallelization
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havent seen many people outside anthropic ultracode yet. this thing is scarily good at burning tokens but you need to set up your repo to parallelize properly to make use of the fanout that i think subagents are best at. basically the idea is "subroutines but intelligent". when
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Insane alpha from Claude Code reveals horror of shipping without Fable Check
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btw insane amounts of alpha in telling claude code to "review my code for issues" on Fable rn while it is not pay per use be prepared to be in abject horror that you shipped anything to prod without a Fable Check™ first
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34 days from signing deal to Mythos-class model GA launch
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for those keeping track at home it was 34 days between signing this deal and launching Mythos-class model GA to the world. https://
x.com/leerob/status/
2052059466821198061?s=20
… building on @nvidia stack means you can just do things™. -
Mythos Launch: FrontierCode Benchmark, Opus 4.8 & GPT 5.5 Lack Scaling
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Mythos is live! so excited to have our FrontierCode recognized as the next frontier coding bench. on FC Diamond, BOTH Opus 4.8 and GPT 5.5 don't meaningfully scale with effort, which many of you caught yesterday. Mythos/Fable posttraining have really applied that test time
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Honest evals without self-gold medals to motivate team under public pressure
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i was very keen on publishing evals where we do not award ourselves gold medals, as an intellectual honesty thing and motivator for the team to hillclimb in ways we care about with public pressure