What is the difference between Claude Sonnet 3.6 (2022-10-22) and Claude Sonnet 4?

Both are developed by Anthropic but target different use cases. Claude Sonnet 3.6 (2022-10-22) has a 200K token context window vs Claude Sonnet 4's 200K. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, Claude Sonnet 3.6 (2022-10-22) or Claude Sonnet 4?

It depends on your use case. Claude Sonnet 3.6 (2022-10-22) and Claude Sonnet 4 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 54 challenges so you can judge which fits your needs best.

How much does Claude Sonnet 3.6 (2022-10-22) cost compared to Claude Sonnet 4?

Claude Sonnet 3.6 (2022-10-22) costs $3/M input tokens and Claude Sonnet 4 costs $3/M input tokens. Claude Sonnet 4 is $0.00/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 Sonnet 3.6 (2022-10-22) and Claude Sonnet 4 on Rival?

This page shows a side-by-side comparison of Claude Sonnet 3.6 (2022-10-22) and Claude Sonnet 4 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.

What is the difference between Claude Sonnet 3.6 (2022-10-22) and Claude Sonnet 4?

Both are developed by Anthropic but target different use cases. Claude Sonnet 3.6 (2022-10-22) has a 200K token context window vs Claude Sonnet 4's 200K. You can compare their actual outputs across 54 challenges on Rival to see how they differ in practice.

Which is better, Claude Sonnet 3.6 (2022-10-22) or Claude Sonnet 4?

It depends on your use case. Claude Sonnet 3.6 (2022-10-22) and Claude Sonnet 4 each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 54 challenges so you can judge which fits your needs best.

How much does Claude Sonnet 3.6 (2022-10-22) cost compared to Claude Sonnet 4?

Claude Sonnet 3.6 (2022-10-22) costs $3/M input tokens and Claude Sonnet 4 costs $3/M input tokens. Claude Sonnet 4 is $0.00/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 Sonnet 3.6 (2022-10-22) and Claude Sonnet 4 on Rival?

This page shows a side-by-side comparison of Claude Sonnet 3.6 (2022-10-22) and Claude Sonnet 4 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 May 2025

Claude Sonnet 3.6 (2022-10-22)vsClaude Sonnet 4

Claude Sonnet 4 is the newer model, released after Claude Sonnet 3.6 (2022-10-22).

Claude Sonnet 3.6 (2022-10-22) and Claude Sonnet 4 compared across 54 shared prompts
Spec	Claude Sonnet 3.6 (2022-10-22)	Claude Sonnet 4
Input price	$3/M tokens	$3/M tokens
Output price	$15/M tokens	$15/M tokens
Context window	200K tokens	200K tokens
Released	Jun 2024	May 2025
SWE-bench Verified	49.0%	72.7%

Our Verdict

Claude Sonnet 3.6 (2022-10-22)

Claude Sonnet 4

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

Too close to call

API pricing

Cost per 1M tokens

Claude Sonnet 3.6 (2022-10-22)

Input

$3.00

Output

$15.00

Claude Sonnet 4

Input

$3.00

Output

$15.00

Writing DNA

Style Comparison

Similarity

86%

Claude Sonnet 4 uses 70.1x more emoji

Claude Sonnet 3.6 (2022-10-22)

Claude Sonnet 4

67%Vocabulary64%

64wSentence Length81w

0.70Hedging0.56

0.3Bold4.5

8.1Lists6.6

0.00Emoji0.70

0.05Headings1.59

0.07Transitions0.20

Based on 26 + 28 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

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Updated May 2025

Claude Sonnet 3.6 (2022-10-22)vsClaude Sonnet 4

Claude Sonnet 4 is the newer model, released after Claude Sonnet 3.6 (2022-10-22).

Claude Sonnet 3.6 (2022-10-22) and Claude Sonnet 4 compared across 54 shared prompts
Spec	Claude Sonnet 3.6 (2022-10-22)	Claude Sonnet 4
Input price	$3/M tokens	$3/M tokens
Output price	$15/M tokens	$15/M tokens
Context window	200K tokens	200K tokens
Released	Jun 2024	May 2025
SWE-bench Verified	49.0%	72.7%