Skip to content
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Default Index
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed
  1. Home
  2. /
  3. Compare
  4. /
  5. DeepSeek V4 Flash Vision ExpvsGPT-5.6 Luna Pro
Updated Aug 2026

DeepSeek V4 Flash Vision ExpvsGPT-5.6 Luna Pro

DeepSeek V4 Flash Vision Exp is cheaper than GPT-5.6 Luna Pro at $0.22/M vs $1/M input tokens.

DeepSeek V4 Flash Vision Exp and GPT-5.6 Luna Pro compared across 8 shared prompts
SpecDeepSeek V4 Flash Vision ExpGPT-5.6 Luna Pro
Input price$0.22/M tokens$1/M tokens
Output price$0.66/M tokens$6/M tokens
Context window1.0M tokens1.1M tokens
WeightsOpenClosed
Free API (OpenRouter)NoNo
ReleasedAug 2026Jul 2026
Side by side

Same prompt, both answers

Opening lines from 3 of the 8 prompts both answered. Formatting stripped, words untouched.

Simple 7-Ingredient Recipe

Create a simple recipe for a delicious dish (sweet or savory) using only 7 common pantry ingredients. Include a creative name for the dish…

DeepSeek V4 Flash Vision Exp144 words
Sticky Soy-Glazed Midnight Noodles A sweet-savory, buttery noodle dish that comes together in about 20 minutes with pantry staples. Ingredients (7): 8 oz spaghetti or noodles 3 tbsp butter 3 cloves garlic, thinly sliced 2 tbsp soy sauce 1 tbsp honey ½ tsp chili flakes 1 tbsp sesame seeds Instructions: Cook the noodles…
Read the full answer
GPT-5.6 Luna Pro126 words
Pantry Stardust Peanut Butter Oat Cookies Prep time: 10 minutes Cook time: 10–12 minutes Makes: About 12 cookies Ingredients 1 cup rolled oats ½ cup all-purpose flour ½ cup peanut butter ½ cup granulated sugar 1 large egg ½ teaspoon baking soda ¼ teaspoon salt Instructions Preheat the oven to 350°F (175°C) and line a…
Read the full answer

Explain Like I'm a Specific Expert

Explain how a large language model (like GPT or Claude) learns and generates text to each of these three audiences: 1. **An experienced…

DeepSeek V4 Flash Vision Exp869 words
Here is how a large language model learns and generates text, tailored to each of your three audiences. To an Experienced Software Engineer You build distributed systems, so think of an LLM as a massively parallel, lossy compression engine for human text.
Read the full answer
GPT-5.6 Luna Pro826 words
For an experienced software engineer A language model is trained on large collections of text by repeatedly hiding or withholding the next token and asking the model to predict it. “Token” usually means a word fragment rather than a complete word.
Read the full answer

Beginner's Longevity Plan

Outline a simple, actionable 1-month plan for someone starting their journey towards better health and longevity. Focus on 3 key areas…

DeepSeek V4 Flash Vision Exp565 words
Here’s a simple, beginner-friendly 1-month plan built around three key pillars: Nutrition, Movement, and Sleep & Stress. The goal is small, repeatable habits — not perfection. The 3 Key Areas Nutrition Goal: Eat more whole foods, more protein, and more plants.
Read the full answer
GPT-5.6 Luna Pro618 words
1-Month Beginner Plan for Better Health and Longevity The 3 focus areas Nutrition Movement and strength Sleep and stress management Aim for consistency, not perfection. Start small enough that you can repeat the habits even on busy days.
Read the full answer
Our Verdict
DeepSeek V4 Flash Vision Exp
DeepSeek V4 Flash Vision Exp
GPT-5.6 Luna Pro
GPT-5.6 Luna ProRunner-up

Not enough votes to call it. On the specs, DeepSeek V4 Flash Vision Exp has the edge: bigger model tier, newer.

DeepSeek V4 Flash Vision Exp costs 9.1x less per token.

Too close to call
API pricing

Cost per 1M tokens

DeepSeek V4 Flash Vision Exp
Input
$0.22
4.5× cheaper
Output
$0.66
9.1× cheaper
GPT-5.6 Luna Pro
Input
$1.00
Output
$6.00

DeepSeek V4 Flash Vision Exp is cheaper on both: 4.5× input, 9.1× output.

Where to run it

7 hosts, cheapest first

DeepSeek V4 Flash Vision Exp5 hosts
HostInOutContextUptime
FFireworks$0.22 in·$0.66 out·1M·99.8% upGGMI Cloudfp8$0.44 in·$1.32 out·1M·99.8% upNNovita$0.44 in·$1.32 out·1M·100% upSSiliconFlowfp8$0.44 in·$1.32 out·1M·97.4% upDDeepInfrafp8degraded$0.22 in·$0.65 out·1M·66.3% up
GPT-5.6 Luna Pro2 hosts
HostInOutContextUptime
Azure AI Foundry$0.20 in·$1.20 out·1.1M·92.3% upOpenAI$0.20 in·$1.20 out·1.1M·100% up

Per million tokens. Prices and uptime via OpenRouter, checked 23 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

DeepSeek V4 Flash Vision Exp is developed by DeepSeek while GPT-5.6 Luna Pro is developed by OpenAI. DeepSeek V4 Flash Vision Exp has a 1.0M token context window vs GPT-5.6 Luna Pro's 1.1M. You can compare their actual outputs across 8 challenges on Rival to see how they differ in practice.

It depends on your use case. DeepSeek V4 Flash Vision Exp and GPT-5.6 Luna Pro each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 8 challenges so you can judge which fits your needs best.

DeepSeek V4 Flash Vision Exp costs $0.22/M input tokens and GPT-5.6 Luna Pro costs $1/M input tokens. DeepSeek V4 Flash Vision Exp is $0.78/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

This page shows a side-by-side comparison of DeepSeek V4 Flash Vision Exp and GPT-5.6 Luna Pro across shared challenges. You can vote on which model produced the better output in a blind duel. Browsing and voting are free. No account is needed to look; signing in only saves your votes and likes.

Keep exploring

More comparisons

Against the newest arrivals

DeepSeek V4 Flash Vision Exp logoSolar Pro 4 logo
DeepSeek V4 Flash Vision Exp vs Solar Pro 4Landed Sep 2026
GPT-5.6 Luna Pro logoHy3 logo
GPT-5.6 Luna Pro vs Hy3Landed Sep 2026
DeepSeek V4 Flash Vision Exp logoQwen3.7 Flash logo
DeepSeek V4 Flash Vision Exp vs Qwen3.7 FlashLanded Sep 2026
GPT-5.6 Luna Pro logoLing 3.0 Flash logo
GPT-5.6 Luna Pro vs Ling 3.0 FlashLanded Sep 2026
DeepSeek V4 Flash Vision Exp logoMuse Glimmer 30B logo
DeepSeek V4 Flash Vision Exp vs Muse Glimmer 30BLanded Sep 2026
GPT-5.6 Luna Pro logoGLM 5.3 logo
GPT-5.6 Luna Pro vs GLM 5.3Landed Sep 2026
DeepSeek V4 Flash Vision Exp logoTernary Bonsai 2 27B logo
DeepSeek V4 Flash Vision Exp vs Ternary Bonsai 2 27BLanded Sep 2026
GPT-5.6 Luna Pro logoGLM 5.3 Flash logo
GPT-5.6 Luna Pro vs GLM 5.3 FlashLanded Sep 2026

Same lab, same size, long tail

DeepSeek V4 Flash Vision Exp logoDeepSeek V4.1 Flash logo
DeepSeek V4 Flash Vision Exp vs DeepSeek V4.1 FlashSame lab
DeepSeek V4 Flash Vision Exp logoDeepSeek V4 Pro 0813 logo
DeepSeek V4 Flash Vision Exp vs DeepSeek V4 Pro 0813Same lab
GPT-5.6 Luna Pro logoGPT-5.6 Luna logo
GPT-5.6 Luna Pro vs GPT-5.6 LunaVersion compare
GPT-5.6 Luna Pro logoGPT-6 Astra Pro logo
GPT-5.6 Luna Pro vs GPT-6 Astra ProVersion compare
DeepSeek V4 Flash Vision Exp logoQwen3 Coder Plus logo
DeepSeek V4 Flash Vision Exp vs Qwen3 Coder PlusSame size
DeepSeek V4 Flash Vision Exp logoQwen3 Max logo
DeepSeek V4 Flash Vision Exp vs Qwen3 MaxNew provider
DeepSeek V4 Flash Vision Exp logoQwen3 Max Thinking logo
DeepSeek V4 Flash Vision Exp vs Qwen3 Max ThinkingNew provider
DeepSeek V4 Flash Vision Exp logoQwen3 Next 80B A3B Instruct logo
DeepSeek V4 Flash Vision Exp vs Qwen3 Next 80B A3B InstructSame size

Model pages

DeepSeek V4 Flash Vision Exp logo
DeepSeek V4 Flash Vision Exp8 outputs, specs and price
GPT-5.6 Luna Pro logo
GPT-5.6 Luna Pro58 outputs, specs and price
Rival
How it worksPrivacyTerms
Explore all of Rival

Explore

  • Compare Models
  • All Models
  • Image Comparison
  • Audio Comparison
  • Image Generation
  • Best AI For...
  • Arena
  • API Pricing
  • Challenges

Discover

  • SubjectiveBench
  • Default Index
  • Research
  • Research downloads
  • Rival Kits
  • Find your AI taste
  • UI Glow-Up
  • VoiceLock
  • Cost Cutter
  • Agent skills
  • Benchmarks vs Vibes
  • Brief
  • Jailbreak
  • Model Updates
  • Provider Status
  • AI Creators

Connect

  • Methodology
  • Advertise
  • Partnerships
  • Privacy Policy
  • Terms
  • RSS Feed