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Deepseek R1 05/28

Ready
model path:accounts/fireworks/models/deepseek-r1-0528

05/28 updated checkpoint of Deepseek R1. Its overall performance is now approaching that of leading models, such as O3 and Gemini 2.5 Pro. Compared to the previous version, the upgraded model shows significant improvements in handling complex reasoning tasks, and this version also offers a reduced hallucination rate, enhanced support for function calling, and better experience for vibe coding. Note that fine-tuning for this model is only available through contacting fireworks at https://fireworks.ai/company/contact-us.

Deepseek R1 05/28 API Features

On-demand Deployment

Docs

On-demand deployments allow you to use Deepseek R1 05/28 on dedicated GPUs with Fireworks' high-performance serving stack with high reliability and no rate limits.

Metadata

State
Ready
Created on
28 MAY, 2025
Kind
Base model
Provider
Deepseek

Specifications

Calibrated
Yes
Mixture-of-Experts
Yes
Parameters
674B

Supporting Functionality

Fine-tuning
Not Supported
Serverless
Not Supported
Context Length
163k tokens
Function Calling
Supported
Embeddings
Not Supported
Rerankers
Not Supported
Supporting image input
Not Supported

Deepseek R1-0528 FAQs

DeepSeek R1-0528 is a large language model developed by DeepSeek AI. This version is a May 28, 2025 update to the DeepSeek R1 model series, offering significant improvements in reasoning, reduced hallucination, enhanced function calling, and stronger performance on tasks like coding and math.