What is the difference between Claude Opus 4.6 and DeepSeek Prover V2?

Claude Opus 4.6 is developed by Anthropic while DeepSeek Prover V2 is developed by DeepSeek. Claude Opus 4.6 has a 1.0M token context window vs DeepSeek Prover V2's 164K. You can compare their actual outputs across 6 challenges on Rival to see how they differ in practice.

Which is better, Claude Opus 4.6 or DeepSeek Prover V2?

It depends on your use case. Claude Opus 4.6 and DeepSeek Prover V2 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 6 challenges so you can judge which fits your needs best.

How much does Claude Opus 4.6 cost compared to DeepSeek Prover V2?

Claude Opus 4.6 costs $5/M input tokens and DeepSeek Prover V2 costs $0/M input tokens. DeepSeek Prover V2 is $5.00/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 Opus 4.6 and DeepSeek Prover V2 on Rival?

This page shows a side-by-side comparison of Claude Opus 4.6 and DeepSeek Prover V2 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 Feb 2026

Claude Opus 4.6vsDeepSeek Prover V2

DeepSeek Prover V2 is cheaper than Claude Opus 4.6 at $0/M vs $5/M input tokens.

Claude Opus 4.6 and DeepSeek Prover V2 compared across 6 shared prompts
Spec	Claude Opus 4.6	DeepSeek Prover V2
Input price	$5/M tokens	Free
Output price	$25/M tokens	Free
Context window	1.0M tokens	164K tokens
Weights	Closed	Open
Free API (OpenRouter)	No	No
Released	Feb 2026	Apr 2025

Our Verdict

Claude Opus 4.6

DeepSeek Prover V2Runner-up

Not enough votes to call it. On the specs, Claude Opus 4.6 has the edge: newer, bigger context window.

Too close to call

Reviewing agent-written code?See a Brief PR report

API pricing

Cost per 1M tokens

Claude Opus 4.6

Input

$5.00

Output

$25.00

DeepSeek Prover V2

Input

$0.000

Output

$0.000

Where to run it

4 hosts

Claude Opus 4.64 hosts

HostInOutContextUptime

Amazon Bedrock$5.00 in$25.00 out1M99.9% up Azure AI Foundry$5.00 in$25.00 out1M99.8% up Anthropic$5.00 in$25.00 out1M99.9% up Google Vertex AI$5.00 in$25.00 out1M100% up

DeepSeek Prover V2

No hosts listed on OpenRouter.

Per million tokens. Prices and uptime via OpenRouter, checked 16 Sep 2026.

Writing DNA

Style Comparison

Similarity

54%

Claude Opus 4.6 uses 73.0x more hedging

Claude Opus 4.6

DeepSeek Prover V2

56%Vocabulary47%

33wSentence Length8w

0.73Hedging0.00

5.3Bold3.1

2.7Lists0.0

1.16Emoji0.00

1.23Headings0.35

0.02Transitions0.19

Based on 26 + 1 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

Cost per 1M tokens

4 hosts

Style Comparison

What we learned reading every model

Common questions

What is the difference between Claude Opus 4.6 and DeepSeek Prover V2?

Which is better, Claude Opus 4.6 or DeepSeek Prover V2?

How much does Claude Opus 4.6 cost compared to DeepSeek Prover V2?

How can I compare Claude Opus 4.6 and DeepSeek Prover V2 on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages

Cost per 1M tokens

4 hosts

Style Comparison

What we learned reading every model

Common questions

What is the difference between Claude Opus 4.6 and DeepSeek Prover V2?

Which is better, Claude Opus 4.6 or DeepSeek Prover V2?

How much does Claude Opus 4.6 cost compared to DeepSeek Prover V2?

How can I compare Claude Opus 4.6 and DeepSeek Prover V2 on Rival?

More comparisons

Against the newest arrivals

Same lab, same size, long tail

Model pages