DeepSeek: R1 0528✓ Catalog verified
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...
Overview
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...
Access: available through the official DeepSeek API. Context window: 164K.
Specifications
| API identifier | deepseek/deepseek-r1-0528 |
| Provider | DeepSeek |
| Model type | Text LLM |
| Context window | 164K catalog |
| Input modalities | text |
| Output modalities | text |
| Released | May 28, 2025 |
| Tokenizer | DeepSeek |
| Instruction format | deepseek-r1 |
| Moderated | No |
| Architecture modality | text->text |
API defaults
{
"top_p": null,
"temperature": null,
"frequency_penalty": null
}Pricing
Live pricing components for deepseek/deepseek-r1-0528 as published in the catalog.
| Pricing component | Raw unit price | Normalized | Unit |
|---|---|---|---|
| Prompt tokens | $5e-7 | $0.50 / 1M | Per input token |
| Completion tokens | $0.00000215 | $2.15 / 1M | Per output token |
| Request fee | N/A | N/A | Per request |
| Image fee | N/A | N/A | Per image unit |
| Web search fee | N/A | N/A | Per search request |
Cost calculator
Estimate monthly spend from your own token volumes.
Estimated Total Cost
$0.68Calculated from current list pricing in the ModelsAtlas catalog.Capabilities
| Capability | Status | What it means |
|---|---|---|
| Visual Understanding | Not advertised | Image and document analysis support |
| Audio Processing | Not advertised | Speech and voice aligned flows |
| Tool Calling | ✓ Supported | Supports tools / function calling |
| Self-Hosting | ✓ Supported | Deploy outside managed APIs |
Capability signals
Directional signals derived from model metadata and capability tags — not official benchmark submissions.
Quick start
Call DeepSeek: R1 0528 through an OpenAI-compatible client.
from openai import OpenAI
client = OpenAI(
base_url="https://openrouter.ai/api/v1",
api_key="YOUR_API_KEY"
)
response = client.chat.completions.create(
model="deepseek/deepseek-r1-0528",
messages=[{"role": "user", "content": "Explain quantum physics."}]
)
print(response.choices[0].message.content)Alternatives
Closest models by context window from a different provider.
| Model | Provider | Context | Input /1M | Actions |
|---|---|---|---|---|
| Meta: Llama Guard 4 12B | Meta | 164K | $0.18 | View → |
| TNG: DeepSeek R1T2 Chimera | Tngtech | 164K | $0.30 | View → |
Sources & attribution
Pricing and metadata are maintained in the ModelsAtlas catalog.
Frequently asked questions
How much does DeepSeek: R1 0528 cost?
$0.50 per 1M input tokens and $2.15 per 1M output tokens on the official DeepSeek API.
What is the context window of DeepSeek: R1 0528?
DeepSeek: R1 0528 supports up to 164K tokens of context.
Does DeepSeek: R1 0528 support tool / function calling?
Yes, DeepSeek: R1 0528 supports tool / function calling — you can register tools and the model will emit structured tool calls.
How do I access DeepSeek: R1 0528?
Use the official DeepSeek API with the model id `deepseek/deepseek-r1-0528`. See the Quick start section above for code examples.