{"data":{"id":"anthropic/claude-haiku-5.5","canonical_slug":"anthropic/claude-haiku-5.5-20261007","hugging_face_id":null,"name":"Anthropic: Claude Haiku 5.5","created":1791397883,"description":"Claude Haiku 5.5 is Anthropic's small, fast model for high-volume, cost-sensitive work such as summarization, subagents, and browser use. It succeeds Claude Haiku 4.5 with stronger coding, computer use, and...","context_length":1000000,"architecture":{"modality":"text+image+file->text","input_modalities":["text","image","file"],"output_modalities":["text"],"tokenizer":"Claude","instruct_type":null},"pricing":{"prompt":"0.0000001","completion":"0.0000005","web_search":"0.01","input_cache_read":"0.00000001","input_cache_write":"0.000000125","input_cache_write_1h":"0.0000002","overrides":[{"min_prompt_tokens":100000,"prompt":"0.0000005","completion":"0.0000025","input_cache_read":"0.00000005","input_cache_write":"0.000000625","input_cache_write_1h":"0.000001"}]},"top_provider":{"context_length":1000000,"max_completion_tokens":128000,"is_moderated":true},"per_request_limits":null,"supported_parameters":["include_reasoning","max_completion_tokens","max_tokens","reasoning","reasoning_effort","response_format","stop","structured_outputs","tool_choice","tools","verbosity"],"default_parameters":{},"supported_voices":null,"knowledge_cutoff":null,"expiration_date":null,"links":{"details":"/api/v1/models/anthropic/claude-haiku-5.5-20261007/endpoints"},"benchmarks":{"design_arena":[{"arena":"models","category":"codecategories","elo":1290,"win_rate":51.1,"rank":19},{"arena":"models","category":"gamedev","elo":1312,"win_rate":53.7,"rank":14},{"arena":"models","category":"website","elo":1278,"win_rate":50.1,"rank":23}],"artificial_analysis":{"intelligence_index":43.4,"coding_index":null,"agentic_index":null}},"reasoning":{"mandatory":false,"supported_efforts":["max","xhigh","high","medium","low"],"default_effort":"medium"}}}