{"data":{"id":"black-forest-labs-flux-klein-2-4b","name":"flux-klein-2-4b","display_name":"FLUX Klein 2 4B","description":"A compact 4B-parameter FLUX 2 model that unifies image generation and editing in a single fast model optimized for end-to-end inference.","creator":"black-forest-labs","family":"flux","tier":"","version":"2","type":"image-generation","size_in_bn":4,"modalities":{"input":["text"],"output":["image"]},"context_window":null,"max_output_tokens":null,"tool_use_system_prompt_tokens":0,"output_vector_sizes":[],"knowledge_cutoff":null,"training_data_cutoff":null,"supported_reasoning_efforts":[],"tokenizer":null,"capabilities":{"function_calling":false,"parallel_function_calling":false,"structured_outputs":false,"prompt_caching":false,"reasoning":false,"web_search":false,"computer_use":false,"code_execution":false,"file_search":false,"url_context":false,"assistant_prefill":false,"native_structured_output":false,"adaptive_reasoning":false},"release_date":null,"earliest_deprecation_date":null,"deprecated":false,"has_pricing":true,"provider_count":1,"ids":["@cf/black-forest-labs/flux-2-klein-4b","bfl/flux-2-klein-4b","black-forest-labs-flux-klein-2-4b","black-forest-labs/FLUX-2-klein-4b","flux_flux-2-klein-4b","flux_flux-2-klein-base-4b"],"hf_likes":628,"hf_downloads":244192,"hf_downloads_all_time":749236,"hf_trending_score":9,"updated_at":"2026-06-11 08:02:18"},"meta":{"updated_at":"2026-06-11","request_id":"8a5ad999-95d4-4300-a150-c35c744ea3a6","execution_ms":6}}