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RetiredDEDeepSeek/ DeepSeek

DeepSeek Reasoner

deepseek/deepseek-reasoner

DeepSeek reasoning model for multi-step analysis, math, coding, and tools

Model information

Released
2025-12-01
Context window
1M
Max output
384K
Weights
Open

Modalities

Input
Text
Output
Text

Identity

Version
deepseek-reasoner
Knowledge cutoff
2025-09
Aliases
DeepSeek Reasoner

Resources

Capabilities

AttachmentsOpen weightReasoningTemperatureTool call

Official price

input $0.14/M · output $0.28/M
cache read $0.003/M

Providers

ProviderProvider model IDProtocolContextMax outputInputOutputCapabilitiesNotesPricingStreaming
NanoGPTdeepseek-reasoneropenai_chat1M384K
Temperature
-
input $0.4/M · output $1.7/M
cache read $0.2/M
Yes
302.AIdeepseek-reasoneropenai_chat1M384K
ReasoningTool callTemperature
-
input $0.29/M · output $0.43/M
Yes
Heliconedeepseek-reasoneropenai_chat1M384K
Temperature
-
input $0.56/M · output $1.68/M
cache read $0.07/M
Yes
OrcaRouterdeepseek/deepseek-reasoneropenai_chat1M384K
AttachmentsReasoningTool callTemperature
-
input $0.435/M · output $0.87/M
cache read $0.028/M
Yes
DeepSeekdeepseek-reasonercustom1M384K
AttachmentsReasoningTool callTemperature
-
input $0.14/M · output $0.28/M
cache read $0.003/M
Yes

FAQ