How much does deepseek-r1-0528 cost per 1M tokens?

Input is priced at $0.96 per 1M tokens, output at $3.84 per 1M tokens. Billing is per token, no rounding to batch sizes.

How do I access deepseek-r1-0528 via API?

Send requests to the UnoRouter /v1/chat/completions endpoint with model=deepseek-r1-0528. Any OpenAI-compatible client library works. Authentication uses a standard Bearer token.

What is the context window of deepseek-r1-0528?

deepseek-r1-0528 supports a context window of 131.1K tokens, shared between your prompt and the model's response.

DeepSeek: deepseek-r1-0528

Name: deepseek-r1-0528
Brand: DeepSeek

deepseek-r1-0528

128K context163.8K outReasoningToolsCacheStructured

Released May 28, 2025Knowledge cutoff Mar 2025Updated May 28, 2025

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 in an inference pass. Fully open-source model.

Supported parameters

All providers = every upstream serving this model supports it. Some providers = depends on which upstream handles the request. Default = the value sent when you leave the parameter unset.

Parameter	Providers	Default
frequency_penalty	All providers	Not sent by default
include_reasoning	All providers	-
logit_bias	Some providers	-
logprobs	Some providers	-
max_tokens	All providers	-
min_p	Some providers	-
presence_penalty	Some providers	-
reasoning	All providers	-
repetition_penalty	Some providers	-
response_format	All providers	-
seed	Some providers	-
stop	Some providers	-
structured_outputs	All providers	-
temperature	All providers	Not sent by default
tool_choice	Some providers	-
tools	Some providers	-
top_k	Some providers	-
top_logprobs	Some providers	-
top_p	All providers	Not sent by default

DeepSeek: deepseek-r1-0528

Pricing

Performance

Usage & Ranking

Supported parameters

Frequently asked questions

Similar models