{"catalog_entry_id":"openai/gpt-oss-20b","canonical_slug":"openai/gpt-oss-20b","name":"OpenAI: gpt-oss-20b","provider_created_time":"2025-08-05T17:17:09Z","first_observation_time":"2026-08-27T01:08:48.990790Z","raw_payload":{"id":"openai/gpt-oss-20b","name":"OpenAI: gpt-oss-20b","links":{"details":"/api/v1/models/openai/gpt-oss-20b/endpoints"},"created":1754414229,"pricing":{"prompt":"0.00000003","completion":"0.00000013","input_cache_read":"0.00000003"},"reasoning":{"mandatory":true,"default_effort":"medium","supported_efforts":["high","medium","low"]},"benchmarks":{"design_arena":[{"elo":952,"rank":107,"arena":"models","category":"dataviz","win_rate":39.7},{"elo":872,"rank":122,"arena":"models","category":"website","win_rate":27.9}],"artificial_analysis":{"coding_index":20.7,"agentic_index":3.1,"intelligence_index":15.2}},"description":"gpt-oss-20b is an open-weight 21B parameter model released by OpenAI under the Apache 2.0 license. It uses a Mixture-of-Experts (MoE) architecture with 3.6B active parameters per forward pass, optimized for...","architecture":{"modality":"text->text","tokenizer":"GPT","instruct_type":null,"input_modalities":["text"],"output_modalities":["text"]},"top_provider":{"is_moderated":false,"context_length":131072,"max_completion_tokens":117964},"canonical_slug":"openai/gpt-oss-20b","context_length":131072,"expiration_date":null,"hugging_face_id":"openai/gpt-oss-20b","knowledge_cutoff":"2024-06-30","supported_voices":null,"default_parameters":{"top_p":null,"temperature":null,"frequency_penalty":null},"per_request_limits":null,"supported_parameters":["frequency_penalty","include_reasoning","logit_bias","logprobs","max_tokens","min_p","presence_penalty","reasoning","reasoning_effort","repetition_penalty","response_format","seed","stop","structured_outputs","temperature","tool_choice","tools","top_k","top_logprobs","top_p"]},"listed":true,"missing_valid_observations":0,"suspected_unlisting_since":null,"last_absent_observation_id":null,"unlisted_at":null,"current_version_id":"ce6052d8-ef5a-4e89-bff5-9e7bbf9e3b45","current_version_number":1,"identity_classification":"disclosed","identity_evidence":{"signals":{"unfamiliar_namespace":false,"missing_hugging_face_id":false,"experimental_stage_words":false,"absent_provider_attribution":false},"strong_signal":null,"review_priority":0,"namespace_segment":"openai","provider_attribution":"openai","weak_review_priority":0,"provider_and_product_disclosed":true}}