losclouds
Model · DeepSeek

R1 0528

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 siz

Pricing

Model Overview

Tracked token-pricing fields for this model family. Empty pricing fields stay hidden until the source publishes them.

Model pricing
Price fieldValue
Input$0.45 / 1M tokens
Output$2.15 / 1M tokens
Cached read$0.23 / 1M tokens
SourceOpenRouter
VerifiedApr 5, 2026 (High)

Surface

Capabilities

Input and output modalities, enabled feature flags, strengths, and tradeoffs.

Model capabilities
AttributeValues
Modalities
text
to
text
Capabilities
reasoningpromptCachingfunctionCallingstructuredOutputs

References

Official Links

Canonical launch, documentation, pricing, and release-note URLs.

Coverage

Benchmark Coverage

Reported benchmark families, versions, scores, sources, and notes.

Benchmark coverage
BenchmarkVersionScoreDateSourceNotes

Lifecycle

Release History

Lifecycle transitions and release timeline for this model family.

Release history
ReleaseAliasLifecycleRelease DateDeprecationShutdownSummary
R1 0528deepseek-deepseek-r1-0528ActiveMay 28, 2025Model available via OpenRouter.

Surfaces

Host Coverage

Provider-specific hosting, context, pricing notes, feature differences, and provider-status context.

Host coverage
HostTypeContextPricing NoteDifferences
OpenRouteraggregator163.8K$0.45/1M in · $2.15/1M out via OpenRouter

Migration

Migration Guidance

Documented migration summary, successor families, and known breaking changes.

Migration guidance
TopicDetails
Summary

Timeline

Change Events

Cataloged model-family updates and source references.

Change events
DateTypeTitleDescriptionSource
May 28, 2025family_addedR1 0528 publishedModel made available via OpenRouter.OpenRouter

From DeepSeek

Other models from DeepSeek