CompareAI models

DeepSeek V4 Flash Vision ExpDeepSeek
GPT-5.6 LunaOpenAI

ReasoningCodingCost efficiencyContext windowMultimodalTool use

Normalized model capability scores
Model	Reasoning	Coding	Cost efficiency	Context window	Multimodal	Tool use
DeepSeek V4 Flash Vision Exp	100/100	No data	71/100	81/100	33/100	No data
GPT-5.6 Luna	39/100	81/100	67/100	98/100	50/100	69/100

Overview

Author

DeepSeek

OpenAI

Context length

1.1M

Reasoning

True

Input modalities

Text, Image

Text, Image, Pdf

Output modalities

Text

Providers

DeepSeek

OpenAI

Pricing

Input

$0.22/ 1M

$0.20/ 1M

Output

$0.66/ 1M

$1.20/ 1M

Cached input

$0.007/ 1M

$0.02/ 1M

MomentumLast 2 mo

Unique users

178K

468K

Completed sessions

271,587

938,329

Token share

0.99%

1.2%

Tokens

4.9T+100%

5.9T+100%

JUL 12SEP 5

RetentionWeek 1

Returning users

89.3%1.2K user-weeks

55.2%28K user-weeks

Related comparisons. Other model pairs to check.

Nearby alternativeDeepSeek V4 Flash Vision Exp vs Gemma-SEA-LION-v4-27B-ITDeepSeek V4 Flash Vision ExpGemma-SEA-LION-v4-27B-IT Nearby alternativeGPT-5.6 Luna vs Gemma-SEA-LION-v4-27B-ITGPT-5.6 LunaGemma-SEA-LION-v4-27B-IT Related comparisonDeepSeek V4 Flash Vision Exp vs Qwen3.8 Max 0902DeepSeek V4 Flash Vision ExpQwen3.8 Max 0902 Related comparisonGPT-5.6 Luna vs Qwen3.8 Max 0902GPT-5.6 LunaQwen3.8 Max 0902