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  1. Home
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  3. Compare

DeepSeek V4 Flash 0423 vs GPT-5.6 Luna

Compare DeepSeek V4 Flash 0423 from DeepSeek and GPT-5.6 Luna from OpenAI on key metrics including benchmarks, price, context length, and other model features. Access both models and hundreds of others through the OpenRouter API.

Favicon for deepseek
DeepSeek V4 Flash 0423
Favicon for openai
GPT-5.6 Luna
Favicon for deepseek
DeepSeek V4 Flash 0423
Favicon for openai
GPT-5.6 Luna

Overview

DeepSeek V4 Flash 0423
Author
DeepSeek
GPT-5.6 Luna
Author
OpenAI
DeepSeek V4 Flash 0423
Context length
1.05Mtokens
GPT-5.6 Luna
Context length
1.05Mtokens
DeepSeek V4 Flash 0423
Reasoning
GPT-5.6 Luna
Reasoning
DeepSeek V4 Flash 0423
Input modalities
GPT-5.6 Luna
Input modalities
DeepSeek V4 Flash 0423
Output modalities
GPT-5.6 Luna
Output modalities

DeepSeek V4 Flash 0423 vs GPT-5.6 Luna: side-by-side summary

DeepSeek V4 Flash 0423 and GPT-5.6 Luna are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

DeepSeek V4 Flash 0423, from DeepSeek, has a 1,048,576-token context window and is priced at $0.03556/M tokens input, $0.07112/M tokens output on OpenRouter.

GPT-5.6 Luna, from OpenAI, has a 1,050,000-token context window and is priced at $0.20/M tokens input, $1.20/M tokens output on OpenRouter.

Context window
  • DeepSeek V4 Flash 0423: 1,048,576 tokens
  • GPT-5.6 Luna: 1,050,000 tokens
Price
  • DeepSeek V4 Flash 0423: $0.03556/M tokens input, $0.07112/M tokens output
  • GPT-5.6 Luna: $0.20/M tokens input, $1.20/M tokens output
Provided by
  • DeepSeek V4 Flash 0423: DeepSeek
  • GPT-5.6 Luna: OpenAI
  • DeepSeek V4 Flash 0423 model details, providers and pricing
  • GPT-5.6 Luna model details, providers and pricing