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-5.1 Chat
Updated Aug 2026

DeepSeek V4 Flash Vision ExpvsGPT-5.1 Chat

DeepSeek V4 Flash Vision Exp is cheaper than GPT-5.1 Chat at $0.22/M vs $1.25/M input tokens.

DeepSeek V4 Flash Vision Exp and GPT-5.1 Chat compared across 8 shared prompts
SpecDeepSeek V4 Flash Vision ExpGPT-5.1 Chat
Input price$0.22/M tokens$1.25/M tokens
Output price$0.66/M tokens$10/M tokens
Context window1.0M tokens128K tokens
WeightsOpen—
Free API (OpenRouter)NoNo
ReleasedAug 2026Nov 2025
Side by side

Same prompt, both answers

Opening lines from 2 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-5.1 Chat111 words
Sweet Citrus Cloud Squares Ingredients (7 total) 1 cup all-purpose flour 1 cup sugar 1 cup plain yogurt 2 eggs 1 teaspoon baking powder Zest of 1 lemon 2 tablespoons melted butter Instructions Preheat oven to 350°F (175°C). Lightly grease an 8x8 baking dish.
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-5.1 Chat191 words
Here’s a simple, beginner‑friendly 1‑month plan focused on diet, exercise, and sleep. Diet • Week 1: Add one serving of vegetables to one meal each day. • Week 2: Swap one processed snack (chips, cookies) for fruit, nuts, or yogurt. • Week 3: Aim for one balanced plate per day (protein, vegetables, healthy carbs).
Read the full answer
Our Verdict
DeepSeek V4 Flash Vision Exp
DeepSeek V4 Flash Vision Exp
GPT-5.1 Chat
GPT-5.1 ChatRunner-up

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

DeepSeek V4 Flash Vision Exp costs 15x less per token.

Too close to call
API pricing

Cost per 1M tokens

DeepSeek V4 Flash Vision Exp
Input
$0.22
5.7× cheaper
Output
$0.66
15× cheaper
GPT-5.1 Chat
Input
$1.25
Output
$10.00

DeepSeek V4 Flash Vision Exp is cheaper on both: 5.7× input, 15× output.

Where to run it

5 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-5.1 Chat

No hosts listed on OpenRouter.

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-5.1 Chat is developed by OpenAI. DeepSeek V4 Flash Vision Exp has a 1.0M token context window vs GPT-5.1 Chat's 128K. 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-5.1 Chat 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-5.1 Chat costs $1.25/M input tokens. DeepSeek V4 Flash Vision Exp is $1.03/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-5.1 Chat 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-5.1 Chat logoHy3 logo
GPT-5.1 Chat 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-5.1 Chat logoLing 3.0 Flash logo
GPT-5.1 Chat 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-5.1 Chat logoGLM 5.3 logo
GPT-5.1 Chat 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-5.1 Chat logoGLM 5.3 Flash logo
GPT-5.1 Chat 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-5.1 Chat logoGPT-6 Astra Pro logo
GPT-5.1 Chat vs GPT-6 Astra ProSame lab
GPT-5.1 Chat logoGPT-6 Astra logo
GPT-5.1 Chat vs GPT-6 AstraSame lab
DeepSeek V4 Flash Vision Exp logoHorizon Beta logo
DeepSeek V4 Flash Vision Exp vs Horizon BetaSame size
DeepSeek V4 Flash Vision Exp logoHunter Alpha logo
DeepSeek V4 Flash Vision Exp vs Hunter AlphaNew provider
DeepSeek V4 Flash Vision Exp logoHy4 Preview logo
DeepSeek V4 Flash Vision Exp vs Hy4 PreviewNew provider
DeepSeek V4 Flash Vision Exp logoInkling logo
DeepSeek V4 Flash Vision Exp vs InklingNew provider

Model pages

DeepSeek V4 Flash Vision Exp logo
DeepSeek V4 Flash Vision Exp8 outputs, specs and price
GPT-5.1 Chat logo
GPT-5.1 Chat53 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