2020: "sure it can generate some syntactically valid python snippets, but anything complex and it just falls apart. stochastic parrot."

2026: "sure it can write a C compiler on its own, but it's not even as efficient as GCC and it doesn't have its own linker. stochastic parrot."

@AnthropicAI

New Engineering blog: We tasked Opus 4.6 using agent teams to build a C compiler. Then we (mostly) walked away. Two weeks later, it worked on the Linux kernel.

Here's what it taught us about the future of autonomous software development.

Read more: anthropic.com/engineering/building-c-com… [video]