Will it be available on Ollama? When?

And what is the best offline model for coding?

You can already use in it ollama by using the unsloth quants:

``` ollama run hf.co/unsloth/Qwen3-30B-A3B-Instruct-2507-GGUF:Q4_K_M ```

> And what is the best offline model for coding?

That would depend on your hardware.