Latent Space · Tuesday, October 27, 2026
Anthropic successfully rolled out its Messages API rewritten entirely in Rust, achieving a 40 to 50 percent savings on CPU usage and a 10 to 20 percent latency improvement.
“As of last week, we fully rolled out the messages API, written in Rust, which is one of those, like, insane feats of, like, what you're able to do in the agentic coding era...”
“I guess I would say, like, we've s- somewhere, like, 40 to 50%. Something, like, really crazy. Yeah. And then latency, I think we saw somewhere between, like, 10 and 20%, um, improvement...”