This is a series of models designed to replicate the prose quality of the Claude 3 models, specifically Sonnet(https://openrouter.ai/anthropic/claude-3.5-sonnetOpens in new tab) and Opus(https://openrouter.ai/anthropic/claude-3-opusOpens in new tab).
The model is fine-tuned on top of Qwen2.5 72BOpens in new tab.