Model not found o4m-sonic-o-api-ev3

1. Responses API
2. Web search tool
3. Only “US” specified as locale.
4. Success

{"model":"gpt-4.1","input":[{"role":"user","content":[{"type":"input_text","text":"Give 5 examples of serendipitous scientific discoveries."}]}],"tools":[{"type":"web_search","user_location":{"type":"approximate","country":"US"},"search_context_size":"medium"}],"text":{"format":{"type":"text"}},"temperature":1,"top_p":1,"reasoning":{},"stream":true,"max_output_tokens":2048,"store":false,"include":["web_search_call.action.sources"]}