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	47/100	81/100	0/100	68/100
GPT-6 Luna	50/100 — Reasoning supported; no comparable benchmark	45/100	70/100	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

$0.70/ 1M

$0.10/ 1M

Output

$1.40/ 1M

$0.50/ 1M

Cached input

$0.07/ 1M

$0.01/ 1M

MomentumLast 2 mo

Unique users

437K

715K

Completed sessions

1,422,252

5,773,161

Token share

0.47%

0.33%

Tokens

5.5T-82%

3.9T+100%

SEP 1OCT 26

RetentionWeek 1

Returning users

55%36K user-weeks

62.4%10K user-weeks

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