How much does R1 0528 cost on Zeplik?

Input tokens cost 6.0 credits per million and output tokens 25.8 credits per million (1 credit = $0.10; the raw provider rates are $0.50 and $2.15 per million). New accounts start with free credits.

How long can a conversation with R1 0528 be?

R1 0528 has a 164K-token context window (163,840 tokens), which covers the conversation plus any documents you attach.

Does R1 0528 support images and tools?

R1 0528 is text-only and supports tool calling.

R1 0528

Open weightTools

DeepSeek · Released May 2025 · Knowledge cutoff March 2025

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 is part of DeepSeek's open-weight line, known for delivering near-frontier reasoning and coding quality at a fraction of typical frontier pricing, with V4.1 Flash at the head and the V4 Pro and Flash tiers behind it.

Facts and pricing

Provider: DeepSeek
Context window: 164K tokens
Input price: 6.0 credits / 1M tokens ($0.50 raw)
Output price: 25.8 credits / 1M tokens ($2.15 raw)
Vision (image input): No
Tool calling: Yes
Extended reasoning: No

Credits are what Zeplik bills: 1 credit = $0.10, computed from the raw provider rate with a 1.20x margin. Raw prices shown per 1M tokens.

Try R1 0528 now

Or open Zeplik with R1 0528 already selected

What R1 0528 is best for

Everyday chat and drafting on an open-weight model with transparent lineage
Long documents: the 164K-token window holds lengthy reports, contracts or papers whole
Tool use and agents: reliably calls functions, so it can search, run skills and drive workflows

Example prompts

Prompts that suit a open weight model like R1 0528:

Draft a project update from these rough notes
Explain how HTTPS works to a curious teenager
Turn this list of features into a changelog entry
Brainstorm objections to this proposal and how to answer them

DeepSeek family

Model	Context	Input cr/M	Output cr/M	Released
DeepSeek V4.1 Flash 1017	1.0M	0.26	4.8	October 2026
DeepSeek V4.1 Flash (batch)	1.0M	0.60	1.8	September 2026
DeepSeek V4.1 Flash	1.0M	0.54	6.0	September 2026
DeepSeek V4 Flash Vision Exp	1.0M	2.6	7.8	August 2026
DeepSeek V4 Pro 0813	1.0M	1.4	55.2	August 2026
DeepSeek V4 Flash 0731	1.0M	0.52	3.6	July 2026
DeepSeek V4 Pro 0423	1.0M	19.2	38.4	April 2026
DeepSeek V4 Flash 0423	1.0M	1.1	2.2	April 2026
DeepSeek V3.2	164K	3.1	4.6	December 2025
DeepSeek V3.2 Exp	164K	3.2	4.9	September 2025

All 15 DeepSeek models

Model comparisons

Frequently asked questions

What is R1 0528?: R1 0528 is an AI model by DeepSeek. 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.
How much does R1 0528 cost on Zeplik?: Input tokens cost 6.0 credits per million and output tokens 25.8 credits per million (1 credit = $0.10; the raw provider rates are $0.50 and $2.15 per million). New accounts start with free credits.
How long can a conversation with R1 0528 be?: R1 0528 has a 164K-token context window (163,840 tokens), which covers the conversation plus any documents you attach.
Does R1 0528 support images and tools?: R1 0528 is text-only and supports tool calling.

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