A Tool for Rating Text/Image/Audio Stimuli via 'LLMs' R package chatRater version 1.3.1 Evaluates stimuli using Large Language Models. Supports multiple LLM providers: 'OpenAI', 'Anthropic', 'Ollama', 'LM Studio', 'DeepSeek', 'Groq', 'Mistral', and 'OpenAI-compatible' endpoints. Stimuli: plain text, local image/audio files, or image URLs. Audio is transcribed via 'OpenAI Whisper' before rating. Supports numeric, text, and raw return types. Software Depends: R (>= 4.1.0) Imports: base64enc, tools, httr2, curl, jsonlite Suggests: llmcoder (>= 1.2.0), testthat (>= 3.0.0) Shiyang Zheng <Shiyang.Zheng@nottingham.ac.uk> Comprehensive R Archive Network (CRAN) Shiyang Zheng [aut, cre] MIT + file LICENSE (https://CRAN.R-project.org/package=chatRater/LICENSE) 2026-06-25 application/tgz https://CRAN.R-project.org/package=chatRater doi:10.32614/CRAN.package.chatRater