Skip to content
  • Models
  • Rankings
  • Ori
Sign Up
Sign Up
OpenRouterOpenRouter
© 2026 OpenRouter, Inc

Product

  • Chat
  • Rankings
  • Benchmarks
  • Apps
  • Discover
  • Models
  • Collections
  • Providers
  • Pricing
  • Business
  • Enterprise
  • Labs

Company

  • About
  • Blog
  • Careers
    Hiring
  • Privacy
  • Terms of Service
  • Trust Center
  • Support
  • Works With OR
  • Data
  • Brand

Developer

  • Documentation
  • API Reference
  • Developer Platform
  • Status

Connect

  • Discord
  • GitHub
  • LinkedIn
  • X
  • YouTube
  1. Home
  2. /
  3. Compare

DeepSeek V4.1 Flash vs GPT-6 Luna Pro

Compare DeepSeek V4.1 Flash from DeepSeek and GPT-6 Luna Pro 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 V4.1 Flash
Favicon for openai
GPT-6 Luna Pro
Favicon for deepseek
DeepSeek V4.1 Flash
Favicon for openai
GPT-6 Luna Pro

Overview

DeepSeek V4.1 Flash
Author
DeepSeek
GPT-6 Luna Pro
Author
OpenAI
DeepSeek V4.1 Flash
Context length
1.05Mtokens
GPT-6 Luna Pro
Context length
1.05Mtokens
DeepSeek V4.1 Flash
Reasoning
GPT-6 Luna Pro
Reasoning
DeepSeek V4.1 Flash
Input modalities
GPT-6 Luna Pro
Input modalities
DeepSeek V4.1 Flash
Output modalities
GPT-6 Luna Pro
Output modalities

DeepSeek V4.1 Flash vs GPT-6 Luna Pro: side-by-side summary

DeepSeek V4.1 Flash and GPT-6 Luna Pro are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.

DeepSeek V4.1 Flash, from DeepSeek, has a 1,048,576-token context window and is priced at $0.12/M tokens input, $0.48/M tokens output on OpenRouter.

GPT-6 Luna Pro, from OpenAI, has a 1,050,000-token context window and is priced at $0.10/M tokens input, $0.50/M tokens output on OpenRouter.

Context window
  • DeepSeek V4.1 Flash: 1,048,576 tokens
  • GPT-6 Luna Pro: 1,050,000 tokens
Price
  • DeepSeek V4.1 Flash: $0.12/M tokens input, $0.48/M tokens output
  • GPT-6 Luna Pro: $0.10/M tokens input, $0.50/M tokens output
Provided by
  • DeepSeek V4.1 Flash: DeepSeek
  • GPT-6 Luna Pro: OpenAI
  • DeepSeek V4.1 Flash model details, providers and pricing
  • GPT-6 Luna Pro model details, providers and pricing