{"data":{"id":"anthracite-org/magnum-v4-72b","provider_id":"anthracite-org","name":"Magnum v4 72B","modalities":["text"],"context_window":32768,"family":"magnum-v4-72b","status":"active","description":"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-sonnet) and Opus(https://openrouter.ai/anthropic/claude-3-opus).\n\nThe model is fine-tuned on top of [Qwen2.5 72B](https://openrouter.ai/qwen/qwen-2.5-72b-instruct).","architecture":{"modality":"text->text","input_modalities":["text"],"output_modalities":["text"],"tokenizer":"Qwen","instruct_type":"chatml"},"supported_parameters":["frequency_penalty","logit_bias","logprobs","max_tokens","min_p","presence_penalty","repetition_penalty","response_format","seed","stop","structured_outputs","temperature","top_a","top_k","top_logprobs","top_p"],"created_at":1729555200,"canonical_slug":"anthracite-org/magnum-v4-72b","catalog_source":"openrouter","host_id":"openrouter","host_name":"OpenRouter","creator_id":"anthracite-org","creator_name":"Anthracite Org","cheapest_provider":"mancer-2","cheapest_provider_name":"Mancer 2","cheapest_price":3.125,"savings_pct":null,"savings_basis":null,"provider":{"id":"anthracite-org","name":"Anthracite Org","website":"https://openrouter.ai/anthracite-org","categories":["text"],"docs_url":"https://openrouter.ai/models","notes":"Live OpenRouter feed. Prices are OpenRouter list rates, not a contract with the origin lab.","role":"lab"},"prices":[{"id":1361,"model_id":"anthracite-org/magnum-v4-72b","unit":"token","input_per_1m_usd":2.5,"output_per_1m_usd":5,"flat_usd":null,"currency":"USD","effective_at":"2026-10-08","source_url":"https://openrouter.ai/anthracite-org/magnum-v4-72b","notes":"OpenRouter list rate. Token fields are USD per token converted to per 1M. Flat image, request, and web_search fields are USD per unit and are not rescaled.","last_verified_at":"2026-10-08T17:11:32.756Z","source":"openrouter","confidence":"official","cache_read_per_1m_usd":null,"cache_write_per_1m_usd":null,"cache_write_1h_per_1m_usd":null,"pricing_detail":null,"long_context_override":false}]}}