Compare AI models

API pricing
Input price
$0.66$1.50
Output price
$1.98$9.00
Cached input price
$0.022$0.15
Cheapest input
$0.2442Baidu$0.75Google
Cheapest output
$0.7326Baidu$4.50Google
Benchmarks
BullshitBench v2
35%20%
Terminal-Bench 2.1
87.9%76.2%
Humanity's Last Exam · no tools
42.7%40.2%
Humanity's Last Exam · with tools
60%40.2%
ARC-AGI-2
61.3%72.1%
Overview
CompanyDeepSeekGoogle
Release dateAug 13 2026May 19 2026
AccessOpen WeightClosed
Model detailsView modelView model

Frequently asked questions

DeepSeek-V4-Pro-0813 leads Gemini 3.5 Flash on 4 of the 5 benchmarks they both report (BullshitBench v2, Terminal-Bench 2.1, Humanity's Last Exam, ARC-AGI-2). DeepSeek-V4-Pro-0813 is cheaper on both input and output: $0.66 vs $1.50 per million input tokens, and $1.98 vs $9.00 per million output tokens. Figures are base-tier rates. Gemini 3.5 Flash shipped 86 days before DeepSeek-V4-Pro-0813, so benchmark comparisons should account for the intervening progress.

DeepSeek-V4-Pro-0813 is open weight, while Gemini 3.5 Flash is closed.

On BullshitBench v2, DeepSeek-V4-Pro-0813 leads at 35% vs Gemini 3.5 Flash at 20%. On Terminal-Bench 2.1, DeepSeek-V4-Pro-0813 leads at 87.9% vs Gemini 3.5 Flash at 76.2%. On Humanity's Last Exam · no tools, DeepSeek-V4-Pro-0813 leads at 42.7% vs Gemini 3.5 Flash at 40.2%. On Humanity's Last Exam · with tools, DeepSeek-V4-Pro-0813 leads at 60% vs Gemini 3.5 Flash at 40.2%. On ARC-AGI-2, Gemini 3.5 Flash leads at 72.1% vs DeepSeek-V4-Pro-0813 at 61.3%.