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DeepSeek R1

DeepSeekOpen SourceArena Rank #5

DeepSeek's open-source reasoning model rivaling OpenAI o1. Uses chain-of-thought reasoning with full transparency.

Specifications

Context Window

128K

Parameters

671B MoE

Input Price / 1M tokens

$0.55

Output Price / 1M tokens

$2.19

Release Date

January 20, 2025

Arena Rank

#5

Open Source

Yes

Best For

Reasoningmathcodingresearch

Pricing (per 1M tokens)

Input

$0.55

Output

$2.19

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Frequently Asked Questions

What is DeepSeek R1?▾
DeepSeek's open-source reasoning model rivaling OpenAI o1. Uses chain-of-thought reasoning with full transparency.
How much does DeepSeek R1 cost?▾
DeepSeek R1 costs $0.55 per 1M input tokens and $2.19 per 1M output tokens.
What is DeepSeek R1 best for?▾
DeepSeek R1 is best for: Reasoning, math, coding, research.
Is DeepSeek R1 open source?▾
Yes, DeepSeek R1 is open source and can be self-hosted.