What is the difference between Claude Fable 5 and DeepSeek V4 Flash Vision Exp?

Claude Fable 5 is developed by Anthropic while DeepSeek V4 Flash Vision Exp is developed by DeepSeek. Claude Fable 5 has a 1.0M token context window vs DeepSeek V4 Flash Vision Exp's 1.0M. You can compare their actual outputs across 2 challenges on Rival to see how they differ in practice.

Which is better, Claude Fable 5 or DeepSeek V4 Flash Vision Exp?

It depends on your use case. Claude Fable 5 and DeepSeek V4 Flash Vision Exp each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 2 challenges so you can judge which fits your needs best.

How much does Claude Fable 5 cost compared to DeepSeek V4 Flash Vision Exp?

Claude Fable 5 costs $10/M input tokens and DeepSeek V4 Flash Vision Exp costs $0.22/M input tokens. DeepSeek V4 Flash Vision Exp is $9.78/M cheaper per input. Check their side-by-side outputs on Rival to see if the price difference is justified by quality.

How can I compare Claude Fable 5 and DeepSeek V4 Flash Vision Exp on Rival?

This page shows a side-by-side comparison of Claude Fable 5 and DeepSeek V4 Flash Vision Exp 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.

Updated Aug 2026

Claude Fable 5vsDeepSeek V4 Flash Vision Exp

DeepSeek V4 Flash Vision Exp is cheaper than Claude Fable 5 at $0.22/M vs $10/M input tokens.

Claude Fable 5 and DeepSeek V4 Flash Vision Exp compared across 2 shared prompts
Spec	Claude Fable 5	DeepSeek V4 Flash Vision Exp
Input price	$10/M tokens	$0.22/M tokens
Output price	$50/M tokens	$0.66/M tokens
Context window	1.0M tokens	1.0M tokens
Weights	Closed	Open
Free API (OpenRouter)	No	No
Released	Jun 2026	Aug 2026

Side by side

Same prompt, both answers

Opening lines from every prompt both answered. Formatting stripped, words untouched.

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…

Claude Fable 51,150 words

The Skeptical Software Engineer Think of an LLM as the world's most aggressive lossy compression problem. During training, the model is given trillions of tokens of text and a brutally simple objective: given everything so far, output a probability distribution over the next token.

Read the full answer

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

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…

Claude Fable 5251 words

🍯 Golden Cloud Skillet Cake A fluffy, caramelized one-pan dessert that tastes like a cross between a pancake and a custard cake — made entirely from pantry staples!

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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

Our Verdict

Claude Fable 5

DeepSeek V4 Flash Vision Exp

Not enough votes to call it. On the specs, nothing separates them.

DeepSeek V4 Flash Vision Exp costs 76x less per token.

Too close to call

API pricing

Cost per 1M tokens

Claude Fable 5

Input

$10.00

Output

$50.00

DeepSeek V4 Flash Vision Exp

Input

$0.22

45× cheaper

Output

$0.66

76× cheaper

DeepSeek V4 Flash Vision Exp is cheaper on both: 45× input, 76× output.

Where to run it

9 hosts, cheapest first

Claude Fable 54 hosts

HostInOutContextUptime

Amazon Bedrock$10.00 in$50.00 out1M—Azure AI Foundry$10.00 in$50.00 out1M89.1% up Anthropic$10.00 in$50.00 out1M99.7% up Google Vertex AI$10.00 in$50.00 out1M100% up

DeepSeek V4 Flash Vision Exp5 hosts

HostInOutContextUptime

Fireworks$0.22 in$0.66 out1M99.8% up GMI Cloudfp8$0.44 in$1.32 out1M99.8% up Novita$0.44 in$1.32 out1M99.9% up SiliconFlowfp8$0.44 in$1.32 out1M97% up DeepInfrafp8degraded$0.22 in$0.65 out1M81.2% up

Per million tokens. Prices and uptime via OpenRouter, checked 22 Sep 2026.

Research

What we learned reading every model

FAQ

Common questions

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More comparisons

Same prompt, both answers

Explain Like I'm a Specific Expert

Simple 7-Ingredient Recipe

Cost per 1M tokens

9 hosts, cheapest first

What we learned reading every model

Common questions

What is the difference between Claude Fable 5 and DeepSeek V4 Flash Vision Exp?

Which is better, Claude Fable 5 or DeepSeek V4 Flash Vision Exp?

How much does Claude Fable 5 cost compared to DeepSeek V4 Flash Vision Exp?

How can I compare Claude Fable 5 and DeepSeek V4 Flash Vision Exp on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages

Same prompt, both answers

Explain Like I'm a Specific Expert

Simple 7-Ingredient Recipe

Cost per 1M tokens

9 hosts, cheapest first

What we learned reading every model

Common questions

What is the difference between Claude Fable 5 and DeepSeek V4 Flash Vision Exp?

Which is better, Claude Fable 5 or DeepSeek V4 Flash Vision Exp?

How much does Claude Fable 5 cost compared to DeepSeek V4 Flash Vision Exp?

How can I compare Claude Fable 5 and DeepSeek V4 Flash Vision Exp on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages