# R1 0528 — price & specs

Source: https://modelbank.ai/models/deepseek-r1-0528 · updated 2026-11-12 · ModelBank

| Field | Value |
|---|---|
| Vendor | DeepSeek |
| Input price | $0.5 / 1M tokens |
| Output price | $2.15 / 1M tokens |
| Cached input | $0.35 / 1M tokens |
| Context window | 163,840 tokens |
| Max output | 32,768 tokens |
| Input modalities | text |
| Reasoning / tool use | yes / yes |
| Intelligence / coding index | — / — |
| Released | 2025-05-28 |
| Retirement date | none announced |

## About

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...

## Price history

- 2026-09-24: $0.5 in / $2.15 out


JSON: https://modelbank.ai/api/v1/models/deepseek-r1-0528