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DeepSeekOpen-weight·164K context·— params

R1 0528deepseek/deepseek-r1-0528

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...

Cheapest blended:$0.91 / 1M tokenson DeepSeek · 1 provider listed

Pricing across providers

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ProviderInput /1MOutput /1MBlended /1MLatency p50FormatFreshnessAction
DeepSeek
deepseek-r1-0528
$0.50$2.15$0.91—OpenAI-compatibleNeeds 27d agoTry →

Affiliate disclosure: We may earn a commission from qualified signups. Pricing independence is enforced at the data layer — see our Editorial Independence Policy.

Works with

Point any of these clients at a hosting's base URL — they all speak at least one of this model's endpoint protocols (OPENAI_COMPATIBLE).

Capabilities

Code samples

Example using DeepSeek — the cheapest hosting for this model as of last verification. Swap base_url and model to use a different provider from the matrix above.

from openai import OpenAI

client = OpenAI(
    api_key="YOUR_API_KEY",
    base_url="https://api.deepseek.com/v1",
)

response = client.chat.completions.create(
    model="deepseek-r1-0528",
    messages=[{"role": "user", "content": "Hello!"}],
)
print(response.choices[0].message.content)

Technical specs

Context
164K
Max output
33K
Parameters
—
Release
—
Training cutoff
—
License
—
Hugging Face →

Similar models

Compare with

  • R1 0528 vs DeepSeek V3
    Comparison planned — not yet published
  • R1 0528 vs DeepSeek V3 0324
    Comparison planned — not yet published
  • R1 0528 vs DeepSeek V3.1
    Comparison planned — not yet published

Frequently asked

How much does R1 0528 cost?+
The cheapest public hosting is $0.91 per 1M blended tokens on DeepSeek. 1 total providers are listed above with per-input / per-output / cached pricing.
How do I access R1 0528 from outside China?+
All hostings listed above support global access. The official API (e.g. api.deepseek.com, dashscope-intl.aliyuncs.com) accepts international credit cards and does not require a Chinese mobile number. For privacy-sensitive workloads, third-party aggregators like Together.ai host the model on US/EU infrastructure.
Is R1 0528 open-source? Can I fine-tune it?+
Yes. R1 0528 is open-weight under the unspecified license. Weights are available on Hugging Face for local inference, fine-tuning, and commercial use (see license for specific terms).
Is R1 0528 OpenAI-compatible?+
Most listed hostings expose an OpenAI-compatible API, so you can point an existing openai SDK client at the Provider's base_url and use the Provider's model name. See the Code Samples above for a copy-pasteable example.
What's the maximum context window for R1 0528?+
The model supports up to 163,840 tokens of context (input + output). Some hosted versions may impose a smaller limit — check the "Context" column in the pricing matrix for each provider.