by DeepSeek

DeepSeek: R1 0528.

text open weights datacenter 671B params 164K ctx
Cheapest input
$0.5/M
on DeepSeek Platform
Cheapest output
$2.15/M
on DeepSeek Platform
Fastest
20 tok/s
on OpenRouter
Smallest GPU
2× AMD MI325

May 28th update to the [original DeepSeek R1](/deepseek/deepseek-r1) Performance on par with [OpenAI o1](/openai/o1), but open-sourced and with fully open reasoning tokens. It's 671B parameters in size, with 37B active..

Smallest GPU to run it See all quantisations →

2× AMD MI325.

Most-aggressive quantisation we have a working recommendation for. Lower precision = less VRAM = cheaper hardware, at a small accuracy cost.

Where to use it

Cheapest hosted endpoints.

Provider Access $/M in $/M out
DeepSeek Platform api direct $0.5 $2.15 Launch ↗
DeepInfra hosted inference $0.5 $2.15 Launch ↗
OpenRouter api aggregator $0.5 $2.15 Launch ↗
Performance

Speed across providers.

Tokens/sec and time-to-first-token measured against the same prompt template on each provider's API.

Provider Tokens/sec TTFT Total
OpenRouter 20.2 15159 ms 20727 ms
FAQ

Frequently asked.

How do I run DeepSeek: R1 0528?
DeepSeek: R1 0528 is open-weight, so you can self-host on rented GPUs. See the Run It Yourself tab for GPU configurations + cost estimates, or use one of the hosted inference providers listed on this page.
Where can I access DeepSeek: R1 0528?
DeepSeek: R1 0528 is available via DeepSeek Platform, DeepInfra, OpenRouter. Each access option lists its own pricing (per million tokens or hourly hosting).
How much does it cost to run DeepSeek: R1 0528?
API pricing starts at $0.5/M input tokens and $2.15/M output tokens. Self-hosting cost depends on the GPU you rent — see the Run It Yourself tab.
Is DeepSeek: R1 0528 open-source or proprietary?
DeepSeek: R1 0528 is open-weight under the license. You can download and self-host it.