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

DeepSeek Chat (R1-based) vs Gemini 1.5 Flash

DeepSeek
DeepSeek Chat (R1-based)
Google
Gemini 1.5 Flash
Overview
CompanyDeepSeekGoogle
Release dateJan 20 2025May 14 2024
AccessOpen WeightProprietary
Timeline
Release gapGemini 1.5 Flash shipped 251 days before DeepSeek Chat (R1-based)

Which is better: DeepSeek Chat (R1-based) or Gemini 1.5 Flash?

DeepSeek Chat (R1-based) and Gemini 1.5 Flash don't publish scores on any of the same benchmarks, so there's no direct head-to-head comparison. Gemini 1.5 Flash shipped 251 days before DeepSeek Chat (R1-based), so benchmark comparisons should account for the intervening progress.

DeepSeek Chat (R1-based) is open weight, while Gemini 1.5 Flash is proprietary.

Direct benchmark comparisons are unavailable — DeepSeek Chat (R1-based) and Gemini 1.5 Flash 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.

Gemini 1.5 Flash was released by Google on May 14 2024.

DeepSeek Chat (R1-based) is an open weight model released by DeepSeek. Gemini 1.5 Flash is a proprietary model released by Google.

Other comparisons