DeepSeek · Deepseek R1 · active

DeepSeek-R1

DeepSeek-R1 is an open-weight language model published by DeepSeek.

deepseek-ai/DeepSeek-R1
Statusactive
InputText
OutputText
Context160K
Total / active parameters684.5B / 37B
Licensemit
APIYes
Open weights / self-hostYes / Yes

Provider availability

Serving endpoints and pricing

ProviderRoute modelTierInputOutputRegionObservedSource
deepseek/deepseek-r1Standard routing$0.70$2.50UnknownAug 28, 2026Provider-reported

This page represents one immutable developer model ID. Serving endpoints, pricing, regions, quantizations, and service tiers attach separately and never create duplicate model records.

Technical specification

Developer model IDdeepseek-ai/DeepSeek-R1
VersionDeepSeek-R1
ReleasedJan 20, 2025
ArchitectureDeepseekV3ForCausalLM
Maximum output32,768 tokens
Knowledge cutoffNot reported

Capabilities

chatgenerationreasoning
ReasoningYes
VisionNo
Tool callingNo

Version lineage

PredecessorUnknown
SuccessorsUnknown
Aliasesdeepseek-ai/DeepSeek-R1, deepseek-ai/DeepSeek-R1

Explicit unknowns

  • Knowledge cutoff

Comparable peers

Related model comparisons

All comparisons →

Questions

DeepSeek-R1 FAQs

What is DeepSeek-R1?+

DeepSeek-R1 is an open-weight language model published by DeepSeek. It is developed by DeepSeek and its current sourced lifecycle status is active.

What inputs and outputs does DeepSeek-R1 support?+

DeepSeek-R1's current record lists Text as input and Text as output.

How much context does DeepSeek-R1 support?+

The current record lists a 163,840-token context window and a maximum output of 32,768 tokens.

Is DeepSeek-R1 available through an API?+

DeepSeek-R1 is marked as API-available. The directly sourced provider records currently include OpenRouter.

How large is DeepSeek-R1?+

The current record lists 684.5B total parameters and 37B active parameters. Its architecture is DeepseekV3ForCausalLM.

What capabilities and tasks does DeepSeek-R1 support?+

DeepSeek-R1's recorded capabilities are chat, generation, and reasoning. Its supported tasks are text.

Can DeepSeek-R1 be self-hosted?+

DeepSeek-R1 is an open-weight model. Self-hosting is supported, and the recorded license is mit.

Does DeepSeek-R1 have related versions or aliases?+

No predecessor is recorded. No successor is recorded. Recorded aliases are deepseek-ai/DeepSeek-R1.

Which models can DeepSeek-R1 be compared with?+

The current compatible peer set includes DeepSeek-V3.2, DeepSeek-V4-Pro, DeepSeek-V3, DeepSeek-V4-Flash, and GLM-5. Compatibility requires shared sourced modalities and tasks; it does not imply that one model is better. Browse model comparisons

How current is the Model Markets record for DeepSeek-R1?+

DeepSeek-R1 was last verified Aug 28, 2026 from DeepSeek's primary source, “deepseek-ai/DeepSeek-R1 developer model repository.” The evidence is classified as official fact.

Primary evidence

Sources and observation date