DeepSeek

R1

by DeepSeektext->text1 endpoint

Overview

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

Capabilities

Text generation
Tool use / Function calling
Structured output
Extended reasoning
Top-P sampling
Stop sequences
Deterministic seed

Modalities

Input
Text
Output
Text

Technical Specifications

Context Window
64K tokens
Max Output
16K tokens
Knowledge Cutoff
2024-07-31
Tokenizer
DeepSeek
Uptime (24h)
10000.0%
Parameters
671000000000B
Blended Cost
$0.96/1M tokens
License
mitOpen Weights
Country
🇨🇳CN
Model Family
DeepSeek R1
Release Date
January 20, 20251y
Reasoning Model
Yes

Supported Parameters

frequency_penaltyinclude_reasoningmax_tokenspresence_penaltyreasoningrepetition_penaltyresponse_formatseedstoptemperaturetool_choicetoolstop_ktop_p

Performance Over Time

Pricing

Per 1M tokens
Input$0.70
Output$2.50
Added
January 20, 2025
Last synced 9/18/2026