{"data":{"id":"z-ai/glm-5.3-prime","provider_id":"z-ai","name":"Z.ai: GLM 5.3 Prime","modalities":["text"],"context_window":1000000,"family":"glm-5.3-prime","status":"active","description":"GLM-5.3-Prime is the high-speed variant of Z.ai's GLM-5.3, inheriting its full capabilities while delivering 1.5–2× the output throughput through inference acceleration. It supports text input and output with a 1M-token...","architecture":{"modality":"text->text","input_modalities":["text"],"output_modalities":["text"],"tokenizer":"Other","instruct_type":null},"supported_parameters":["frequency_penalty","include_reasoning","logprobs","max_tokens","presence_penalty","reasoning","reasoning_effort","response_format","seed","stop","temperature","tool_choice","tools","top_k","top_logprobs","top_p"],"created_at":1790199651,"canonical_slug":"z-ai/glm-5.3-prime-20260921","catalog_source":"openrouter","host_id":"openrouter","host_name":"OpenRouter","creator_id":"z-ai","creator_name":"Z.ai","cheapest_provider":"alibaba","cheapest_provider_name":"Alibaba","cheapest_price":4.3,"savings_pct":null,"savings_basis":null,"provider":{"id":"z-ai","name":"Z.ai","website":"https://www.zhipuai.cn","categories":["text","image","video"],"docs_url":"https://docs.bigmodel.cn","notes":"GLM BigModel Open API. Approximate USD conversion of published list.","role":"lab"},"prices":[{"id":22496,"model_id":"z-ai/glm-5.3-prime","unit":"token","input_per_1m_usd":2.8,"output_per_1m_usd":8.8,"flat_usd":null,"currency":"USD","effective_at":"2026-10-08","source_url":"https://openrouter.ai/z-ai/glm-5.3-prime","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. Cache read 0.56/1M.","last_verified_at":"2026-10-08T17:11:32.756Z","source":"openrouter","confidence":"official","cache_read_per_1m_usd":0.56,"cache_write_per_1m_usd":null,"cache_write_1h_per_1m_usd":null,"pricing_detail":null,"long_context_override":false}]}}