DeepSeek R1 0528

As of 29 Oct 2026, DeepSeek R1 0528 by DeepSeek scores 49.4 on the BenchLeader Index (581 ranked configurations), with its best results in human preference (60) and weakest in knowledge (34). It costs $2.08 per 1M tokens blended ($1.85 in / $2.75 out), and streams about 33 tokens/s (Artificial Analysis). Released 28 May 2025; 23 independent results so far.

In detail. DeepSeek R1 0528 is a DeepSeek open-weights reasoning model, released 28 May 2025. Its best configuration ranks #347 of 581 on the BenchLeader Index at 49.4 ±4.9, in the lower half. The ± is the point: 263 other configurations score within that range, so they and this one cannot be told apart on quality alone — price and speed are what separate them. It scores highest in human preference (60) and lowest in knowledge (34). At $2.08 per million tokens blended it is pricier than most ranked models. Output speed of 33 tokens per second puts it in the slowest quarter, with a first answer in 61.2 s. Last measured 22 Oct 2026.

Blended price

$2.08/M

$1.85 in · $2.75 out

Output speed

33 tok/s

measured by Artificial Analysis

First answer

61 s

first token 0.78 s

Context

164k

Full answer

76 s

median, reasoning included

Cost per run

–

Released

28 May 2025