AI Model Release Tracker - Timeline of Major AI Models from 2022-2026

DeepSeek Chat (R1-based) vs Grok Code Fast 1

DeepSeek
DeepSeek Chat (R1-based)
SpaceXAI
Grok Code Fast 1
Overview
CompanyDeepSeekSpaceXAI
Release dateJan 20 2025Aug 28 2025
AccessOpen WeightProprietary
Timeline
Release gapDeepSeek Chat (R1-based) shipped 220 days before Grok Code Fast 1

Which is better: DeepSeek Chat (R1-based) or Grok Code Fast 1?

DeepSeek Chat (R1-based) and Grok Code Fast 1 don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. DeepSeek Chat (R1-based) shipped 220 days before Grok Code Fast 1, so benchmark comparisons should account for the intervening progress.

DeepSeek Chat (R1-based) is open weight, while Grok Code Fast 1 is proprietary.

Direct benchmark comparisons are unavailable — DeepSeek Chat (R1-based) and Grok Code Fast 1 don't publish scores on any of the same benchmarks.

Frequently asked questions

DeepSeek Chat (R1-based) was released by DeepSeek on Jan 20 2025.

Grok Code Fast 1 was released by SpaceXAI on Aug 28 2025.

DeepSeek Chat (R1-based) is an open weight model released by DeepSeek. Grok Code Fast 1 is a proprietary model released by SpaceXAI.

Other comparisons