Claude 4 Sonnet is officially the best AI model for Android and Kotlin development 🚀

Claude 4 Sonnet solved 26% of Kotlin-bench tasks, outperforming OpenAI's o3.

Claude 4 Sonnet & Opus are available in Firebender today for all users of JetBrains IDEs. Try them out and let us know what you think!

o4-mini and o3 is now in Firebender 0.9.20 on Android Studio/Intellij

agent benchmarks coming soon for kotlin-bench

Updated our Kotlin-bench leaderboard with results for Grok 3 and GPT-4.1!

TL;DR: Grok 3 is a very capable coding model for Android & Kotlin development. GPT-4.1 shows improvement but still trails behind other major competitors.

See the full leaderboard here:
firebender.com/leaderboard

I just released Kotlin-bench, the first-ever benchmark that evaluates LLMs against real-world Kotlin & Android Github issues.

Gemini 2.5 topped the leaderboard solving 14% of issues, with Claude 3.7 thinking solving 12% in 2nd place.

Code, datasets, and results here: firebender.com/blog/kotlin-...

Future of Android Development will be multi-agents that code, fix bugs, implement UI changes from figma all autonomously. Firebender 0.9.6 proves this, and here’s why:

First impressions after about an hour of using it.

1. Absolutely love how it fixes it's own errors. 😂
2. Autocomplete feels much faster than Copilot.
3. Very eager to make changes outside of the scope of the file I'm working on. Might be user error and might be fixable with rules