Compare AI models: DeepSeek V4 Pro vs GPT-6 Luna

DeepSeek V4 ProDeepSeek
GPT-6 LunaOpenAIHollow points use fallbacks · hover for details

ReasoningCodingCost efficiencyContext windowMultimodalTool use

Normalized model capability scores
Model	Reasoning	Coding	Cost efficiency	Context window	Multimodal	Tool use
DeepSeek V4 Pro	100/100	100/100	31/100	81/100	0/100	68/100
GPT-6 Luna	50/100 — Reasoning supported; no comparable benchmark	45/100	72/100	98/100	50/100	50/100 — Tool calling supported; no comparable benchmark

Overview

Author

DeepSeek

OpenAI

Context length

1.1M

Reasoning

True

Input modalities

Text

Text, Image, Pdf

Output modalities

Text

Providers

DeepSeek

OpenAI

Pricing

Input

$1.35/ 1M

$0.10/ 1M

Output

$4.05/ 1M

$0.50/ 1M

Cached input

$0.04/ 1M

$0.01/ 1M

MomentumLast 2 mo

Unique users

404K

996K

Completed sessions

1,494,353

7,945,702

Token share

0.43%

0.38%

Tokens

5.5T-81%

4.9T+100%

SEP 8NOV 2

RetentionWeek 1

Returning users

56%30K user-weeks

65.1%13K user-weeks

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