DeepSeek: R1

deepseek/deepseek-r1 · DeepSeekNot yet established

Declared family: DeepSeek
Evidence confidence: Unknown
Declared tokenizer tag: DeepSeek
Entered catalogue: 20 January 2025
Last tested: Not yet measured
Measurement: Awaiting measurement

Evidence stack

Signals of different kinds, weighed together

Signal	Result	Reference
Tokenizer signature	Not measured	–
API surface	No other entry shares this exact contract	api_50c80d14
Context and output	64,000 context · 16,000 max output	declared
Reasoning contract	Mandatory	declared
Serving providers observed	None recorded yet	–

Declared record

What the catalogue claims about this model

DeepSeek R1 is here: Performance on par with [OpenAI o1](/openai/o1), but open-sourced and with fully open reasoning tokens. It's 671B parameters in size, with 37B active in an inference pass....

Modalities: text->text
Declared tokenizer: DeepSeek
Prompt price: $0.70 / M tokens
Completion price: $2.50 / M tokens

Supported parameters

frequency_penaltyinclude_reasoningmax_tokenspresence_penaltyreasoningrepetition_penaltyresponse_formatseedstopstructured_outputstemperaturetool_choicetoolstop_ktop_p

defaults: {"temperature":null,"top_p":null,"top_k":null,"frequency_penalty":null,"presence_penalty":null,"repetition_penalty":null}

Catalogue entry Weights on Hugging Face

History

Every observation, kept as taken

20 January 2025Enters the OpenRouter catalogue declared as DeepSeek.

Cite this page as the evidence record for DeepSeek: R1: the URL is stable, measurements are dated, and revisions append to the history above. Method: tokenizer fingerprinting, v1, 50 strings. The raw data behind every figure is on the data page.