reasoningopen-weightsReleased 2025-01

DeepSeek-R1

By DeepSeek · Open reasoning, math & code.

Input / 1M

$0.55

Output / 1M

$2.19

Context

131K tokens

Max output

66K tokens

DeepSeek-R1 pricing

DeepSeek-R1 costs $0.55 per million input tokens and $2.19 per million output tokens at standard API rates. That makes it cheaper than 18 of 25 other tracked models on input.

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DeepSeek-R1 benchmarks

MMLU-Pro84%

Arena Elo1436

Specs

Maker: DeepSeek
Category: reasoning
Released: 2025-01
Modalities: text
Open weights: Yes (MIT)
Context window: 131K tokens
Max output: 66K tokens

Official API docs ↗

Compare DeepSeek-R1 with

GPT-5.5 Pro

OpenAI · $30.00/$180.00 per 1M

GPT-5.2-Codex

OpenAI · $1.75/$14.00 per 1M

Grok 4.3

xAI · $1.25/$2.50 per 1M

GPT-5.5

OpenAI · $5.00/$30.00 per 1M

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Data verified 2026-06-20. Prices are standard USD API rates per 1M tokens.