Coderabbit logo
Back to blog

Claude Sonnet 4.5: Better performance but a paradox

David Loker

by David Loker

October 03, 2025

6 min read

Cover image

Share

X iconLinkedin iconReddit icon
hero background

Cut code review time & bugs by 50%

Most installed AI app on GitHub and GitLab

Free 14-day trial

Get Started

Keep reading

Article Card Image
October 03, 2025

Claude Sonnet 4.5: Better performance but a paradox

Sonnet 4.5 is Anthropic’s newest Claude model and in our code review benchmark, it feels like a paradox: more capable, more cautious, and at times more frustrating. It catches bugs Sonnet 4 missed, edges closer to Opus 4.1 in coverage, and even surfa...

Article Card Image
September 30, 2025

GPT-5 Codex: How it solves for GPT-5's drawbacks

CodeRabbit’s code reviews help developers fix bugs and ship code. We recently wrote about benchmarking GPT-5 and opined that the model was a generational leap in reasoning for our use case of AI code reviews. As we rolled out to our wider user base, ...

Article Card Image
September 23, 2025

We raised $60 million last week… so we made a funny video

Last week, we announced CodeRabbit’s $60 million Series B. To celebrate, we did what any responsible, developer-focused software company would do: we made a funny video. Not with all the money, to be clear. But we did decide to celebrate with somethi...

pill

Still have questions?

Contact us