Models/DeepSeek/R1 0528

R1 0528

Name: R1 0528 API access
Brand: DeepSeek

DeepSeek · Open weights · Released May 28, 2025 · deepseek/deepseek-r1-0528

Compare Estimate cost

164K contextToolsReasoningStructured outputPrompt cachingOpen weights

Available from 4 providersUSD / MTOK · VERIFIED 4 MINUTES AGO

EST. MONTHLY COSTclick a row for detail · click headers to sort

PROVIDER	INPUT	OUTPUT	CACHE	CONTEXT	QUANT	TTFT	TPS	UPTIME
DeepInfra	$0.50	$2.15	$0.35	164K	fp4	0.68s	20 tok/s	100.0%
SiliconFlow	$0.50	$2.18	—	164K	fp8	1.9s	19 tok/s	98.0%
STStreamLake	$0.571	$2.29	—	128K	—	3.6s	52 tok/s	99.9%
Novita	$0.70	$2.50	$0.35	164K	fp8	✕	✕	99.5%

TTFT/TPS: median (P50) over trailing 72h · chat10k profile (~10K in / 200 out) · measured via OpenRouter routing · ✕ = probed, endpoint returned no measurable stream · methodology v1.1 · measured 44 hours ago

Pricing variants · USD / MTok in / out

STANDARD

$0.50 / $2.15

per MTok in / out

CACHE READ $0.35

About

May 28th update to the original DeepSeek R1 Performance on par with OpenAI o1, but open-sourced and with fully open reasoning tokens. It's 671B parameters in size, with 37B active...

Specifications

Context window163,840

Max output32,768

Modalities intext

Modalities outtext

LicenseOpen weights

ReleasedMay 28, 2025

Knowledge cutoff2025-03-31

TokenizerDeepSeek

WeightsHugging Face ↗

Open weights

Hugging Facedeepseek-ai/DeepSeek-R1-0528 ↗

Downloads191.7K

Likes2.5K

Licensemit

safetensors

DeepSeek V4 Flash Vision Exp$0.22 / $0.66 DeepSeek V4 Pro 0813$0.66 / $1.98 DeepSeek V4 Flash 0731$0.04 / $0.08 DeepSeek V4 Pro 0423$0.522 / $1.04

Embed badge

[![R1 0528](https://modelindex.ai/badge/deepseek/deepseek-r1-0528)](https://modelindex.ai/models/deepseek/deepseek-r1-0528)

Sources

OpenRouter API4 minutes ago

AGGREGATOR

Hugging Face4 minutes ago

COMMUNITY

ModelIndex benchmarks44 hours ago

MEASURED

Verified 4 minutes ago · list prices, not negotiated rates.