DeepSeek-V4-Flash-0731vsGPT-4o mini

DeepSeek-V4-Flash-0731
GPT-4o mini
Specifications
Context window
128k
Benchmarks
Nonsense detection
BullshitBench v2
38%Best
2%
Agentic terminal coding
Terminal-Bench 2.1
82.7%
Personal tool use
Toolathlon-Verified
70.3%
Cybersecurity
CyberGym
76.7%
Science
GPQA Diamond
40.2%
Business workflows
AutomationBench
25.1%
Overview
CompanyDeepSeekOpenAI
Release dateJul 31 2026Jul 18 2024
AccessProprietaryProprietary

Which is better: DeepSeek-V4-Flash-0731 or GPT-4o mini?

DeepSeek-V4-Flash-0731 leads GPT-4o mini on 1 of the 1 benchmark they both report (BullshitBench v2). GPT-4o mini shipped 743 days before DeepSeek-V4-Flash-0731, so benchmark comparisons should account for the intervening progress.

Published specifications for these two models are limited — see each model page for the latest details.

On BullshitBench v2, DeepSeek-V4-Flash-0731 leads at 38% vs GPT-4o mini at 2%.

Frequently asked questions

DeepSeek-V4-Flash-0731 was released by DeepSeek on Jul 31 2026.

GPT-4o mini was released by OpenAI on Jul 18 2024.

Other comparisons