DeepSeek V4 Flash Vision Exp vs GPT-6 Luna

Price, context window & benchmark comparison

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DeepSeek V4 Flash Vision Exp

DeepSeek
$0.22 / $0.66
Input / Output · per 1M tokens
VS
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GPT-6 Luna

OpenAI
$0.10 / $0.50
Input / Output · per 1M tokens
Compare different models
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Verdict: GPT-6 Luna is 39% cheaper than DeepSeek V4 Flash Vision Exp on a typical 3:1 input/output mix. GPT-6 Luna has the larger context window (1.1M vs 1M).
DeepSeek V4 Flash Vision ExpGPT-6 Luna
Input price / 1M$0.22$0.10
Output price / 1M$0.66$0.50
Blended price (3:1)$0.33$0.20
Cached input / 1M$0.007$0.01
Context window1M1.1M
Max output944K128K
Intelligence index37.3
Coding index
Providers57
Best provider uptime (30m)100.0%100.0%
Vision inputYesYes
ReasoningYesYes
Tool callingYesYes
Released2026-08-212026-09-22
Retirement

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FAQ

Which is cheaper, DeepSeek V4 Flash Vision Exp or GPT-6 Luna?

GPT-6 Luna is 39% cheaper than DeepSeek V4 Flash Vision Exp on a typical 3:1 input/output mix.

DeepSeek V4 Flash Vision Exp vs GPT-6 Luna: which has a bigger context window?

DeepSeek V4 Flash Vision Exp: 1,048,576 tokens. GPT-6 Luna: 1,050,000 tokens.

How much would 1 million requests cost?

At 2,000 input + 500 output tokens per request: DeepSeek V4 Flash Vision Exp ≈ $770.00, GPT-6 Luna ≈ $450.00.

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