ollama - 💡(How to fix) Fix opencode: qwen3.5 responds with irrelevant answers when launched via ollama

Issue Description

Problem 1

Start opencode with ollama launch opencode --model qwen3.5, input a prompt, but the response is irrelevant to the question. However, ollama run qwen3.5 works fine.

Problem 2

Why does opencode still prompt that the model you selected (e.g., gemma3) does not support tools and cannot be used normally, even when tools are not needed?

Steps to Reproduce

1. Run: ollama launch opencode --model qwen3.5
2. Enter any prompt
3. Observe irrelevant response

Expected Behavior

The model should respond correctly to the prompt.

Additional Info

• ollama run qwen3.5 works as expected
• Models without tool support (e.g., gemma3) fail despite no tools required in the task
• Is this an opencode issue or an ollama issue? (The Ollama-cloud/qwen3.5 model works fine.)

Environment

• Ollama version: 0.24.0
• opencode version: 1.15.7
• macOS version: 26.4.1

Relevant log output

OS

macOS

GPU

Apple

CPU

Apple

Ollama version

0.24.0