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...
With CoreAI, you can start chatting with DeepSeek: R1 0528 instantly — no separate subscription needed. CoreAI lets you chat with DeepSeek: R1 0528 alongside 300+ other AI models from DeepSeek and other providers like OpenAI, Anthropic, Google, Meta, and more.
DeepSeek: R1 0528 holds the #289 spot for context size out of 413 chat models in the CoreAI catalog — 164K tokens, roughly 122,880 words or 246 pages of text in a single conversation. On price, it is the #69 cheapest of 198 standard-tier models by input cost. It joined the catalog on 2025-05-28. It supports step-by-step reasoning (thinking mode).
Every model in this table is available on CoreAI — open the web app and run the same prompt through DeepSeek: R1 0528 and DeepSeek: DeepSeek V3.1 side by side to judge with your own eyes.
A typical question (about 1,000 tokens in, 500 out) runs $0.00158 on DeepSeek: R1 0528's raw per-token rates; a heavy session with a 50K-token document costs about $0.036. On CoreAI you don't juggle these numbers — one subscription covers DeepSeek: R1 0528 and 300+ other models under a plan usage limit, with no API keys. See plans.
DeepSeek: R1 0528 handles 164K tokens of context — roughly 122,880 words, or about 246 pages of text in one conversation.
DeepSeek: R1 0528's underlying rates are $0.5 per 1M input tokens and $2.15 per 1M output tokens. On CoreAI it is included in one subscription alongside 300+ models, so there is no per-token billing to manage.
No — DeepSeek: R1 0528 is text-only. If you need image understanding, its standard-tier peers with vision are listed in the comparison table above.
Yes. DeepSeek: R1 0528 can work through problems step by step before answering; on CoreAI you can toggle thinking mode per message.
Open the CoreAI web app or the iOS/Android app, pick DeepSeek: R1 0528 in the model selector, and chat — no API key, no per-token billing. One subscription covers DeepSeek: R1 0528 and 300+ other models.
The closest alternatives on CoreAI are DeepSeek: DeepSeek V3.1, Meta: Muse Glimmer 30B, IBM: Granite 4.0 Micro — similar tier and capability. The fastest way to choose is running one prompt through them side by side in CoreAI's Compare view.
Chat with DeepSeek: R1 0528 and 300+ other AI models — all in one app.