Artificial intelligence startup Writer Inc. has raised $200 million in a Series C funding round at a $1.9 billion valuation.The investment was led by Premji Invest, Radical Ventures, and ICONIQ Growth, with participation from several other backers.Writer develops large language models, including the advanced Palmyra X 004 model, which outperforms GPT-4o in tool use.The funding will be used to expand Writer's feature set, release more AI applications, and develop models for reasoning tasks.