---
title: "DeepSeek: R1 0528 — price, capability and what beats it · Undominated.ai"
canonical: https://undominated.ai/models/deepseek__deepseek-r1-0528/
description: "DeepSeek: R1 0528: $0.500/M in, $2.15/M out. Independent capability scores, context-tier pricing, and the models that are both better and cheaper."
---

# DeepSeek: R1 0528 — price, capability and what beats it · Undominated.ai

> DeepSeek: R1 0528: $0.500/M in, $2.15/M out. Independent capability scores, context-tier pricing, and the models that are both better and cheaper.

[Leaderboard](/) / DeepSeek

# R1 0528

DeepSeek · released 2025-05-28

 $0.912 per million tokens, balanced Balanced Summarise Chat Code gen Agentic

## No independent quality score.

No benchmark we track has measured this model. That is not the same as measuring it and finding it wanting — we simply cannot rank it, so we do not.

### Every price dimension

| Input | $0.500 /M |
| --- | --- |
| Output | $2.15 /M |
| Cached input | $0.350 /M |

### Independent scores

| LMArena Elo | 1427.9 default |
| --- | --- |

Sources are listed separately rather than averaged. Across the 62 models both have scored they correlate at r = 0.806 — close agreement overall, but four models rank very differently between them, and a blended score would hide exactly those.

### Capability

| Context window | 164K |
| --- | --- |
| Max output | 33K |
| Input modes | text |
| Tool use | yes |
| Reasoning | always on |
| Knowledge cutoff | 2025-03-31 |

### Provenance

| Price source | openrouter.ai |
| --- | --- |
| Fetched | 2026-08-24 |
| Quality data | unrated |

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...