What is the difference between Claude 3.7 Thinking Sonnet and GPT-5 Pro?

Claude 3.7 Thinking Sonnet is developed by Anthropic while GPT-5 Pro is developed by OpenAI. Claude 3.7 Thinking Sonnet has a 200K token context window vs GPT-5 Pro's 400K. You can compare their actual outputs across 42 challenges on Rival to see how they differ in practice.

Which is better, Claude 3.7 Thinking Sonnet or GPT-5 Pro?

It depends on your use case. Claude 3.7 Thinking Sonnet and GPT-5 Pro each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 42 challenges so you can judge which fits your needs best.

How much does Claude 3.7 Thinking Sonnet cost compared to GPT-5 Pro?

Claude 3.7 Thinking Sonnet costs $6/M input tokens and GPT-5 Pro costs $15/M input tokens. Claude 3.7 Thinking Sonnet is $9.00/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 3.7 Thinking Sonnet and GPT-5 Pro on Rival?

This page shows a side-by-side comparison of Claude 3.7 Thinking Sonnet and GPT-5 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.

What is the difference between Claude 3.7 Thinking Sonnet and GPT-5 Pro?

Claude 3.7 Thinking Sonnet is developed by Anthropic while GPT-5 Pro is developed by OpenAI. Claude 3.7 Thinking Sonnet has a 200K token context window vs GPT-5 Pro's 400K. You can compare their actual outputs across 42 challenges on Rival to see how they differ in practice.

Which is better, Claude 3.7 Thinking Sonnet or GPT-5 Pro?

It depends on your use case. Claude 3.7 Thinking Sonnet and GPT-5 Pro each have strengths in different areas. Rival lets you compare their real outputs side-by-side across 42 challenges so you can judge which fits your needs best.

How much does Claude 3.7 Thinking Sonnet cost compared to GPT-5 Pro?

Claude 3.7 Thinking Sonnet costs $6/M input tokens and GPT-5 Pro costs $15/M input tokens. Claude 3.7 Thinking Sonnet is $9.00/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 3.7 Thinking Sonnet and GPT-5 Pro on Rival?

This page shows a side-by-side comparison of Claude 3.7 Thinking Sonnet and GPT-5 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.

Updated Oct 2025

Claude 3.7 Thinking SonnetvsGPT-5 Pro

Claude 3.7 Thinking Sonnet is cheaper than GPT-5 Pro at $6/M vs $15/M input tokens.

Claude 3.7 Thinking Sonnet and GPT-5 Pro compared across 42 shared prompts
Spec	Claude 3.7 Thinking Sonnet	GPT-5 Pro
Input price	$6/M tokens	$15/M tokens
Output price	$30/M tokens	$120/M tokens
Context window	200K tokens	400K tokens
Released	Feb 2025	Oct 2025
GPQA Diamond	84.8%	88.4%

Our Verdict

GPT-5 Pro

Claude 3.7 Thinking SonnetRunner-up

Not enough votes to call it. On the specs, GPT-5 Pro has the edge: bigger model tier, newer, bigger context window.

Claude 3.7 Thinking Sonnet costs 4.0x less per token.

Slight edge

What do Claude 3.7 Thinking Sonnet and GPT-5 Pro say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Claude 3.7 Thinking Sonnet

Input

$6.00

2.5× cheaper

Output

$30.00

4.0× cheaper

GPT-5 Pro

Input

$15.00

Output

$120.00

Claude 3.7 Thinking Sonnet is cheaper on both — 2.5× input, 4.0× output

Writing DNA

Style Comparison

Similarity

49%

Claude 3.7 Thinking Sonnet uses 223.5x more bold

Claude 3.7 Thinking Sonnet

GPT-5 Pro

61%Vocabulary65%

49wSentence Length15w

0.64Hedging0.32

2.2Bold0.0

4.5Lists2.9

0.00Emoji0.00

1.81Headings0.00

0.21Transitions0.01

Based on 21 + 11 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

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Claude 3.7 Thinking Sonnet vs MiniMax M3New provider

GPT-5 Pro vs Llama 4 MaverickNew provider

Claude 3.7 Thinking Sonnet vs GPT-5Cross-provider

GPT-5 Pro vs Seed 2.1 TurboNew provider

Claude 3.7 Thinking Sonnet vs Sherlock Dash AlphaNew provider

Claude 3.7 Thinking Sonnet vs Sherlock Think AlphaNew provider

Claude 3.7 Thinking Sonnet vs Solar Pro 3New provider

Updated Oct 2025

Claude 3.7 Thinking SonnetvsGPT-5 Pro

Claude 3.7 Thinking Sonnet is cheaper than GPT-5 Pro at $6/M vs $15/M input tokens.

Claude 3.7 Thinking Sonnet and GPT-5 Pro compared across 42 shared prompts
Spec	Claude 3.7 Thinking Sonnet	GPT-5 Pro
Input price	$6/M tokens	$15/M tokens
Output price	$30/M tokens	$120/M tokens
Context window	200K tokens	400K tokens
Released	Feb 2025	Oct 2025
GPQA Diamond	84.8%	88.4%

Our Verdict

GPT-5 Pro

Claude 3.7 Thinking SonnetRunner-up

Not enough votes to call it. On the specs, GPT-5 Pro has the edge: bigger model tier, newer, bigger context window.

Claude 3.7 Thinking Sonnet costs 4.0x less per token.

Slight edge

What do Claude 3.7 Thinking Sonnet and GPT-5 Pro say about your brand?

10 models, one question, verbatim receipts.

or peek at a demo: Notion Linear Vercel

API pricing

Cost per 1M tokens

Claude 3.7 Thinking Sonnet

Input

$6.00

2.5× cheaper

Output

$30.00

4.0× cheaper

GPT-5 Pro

Input

$15.00

Output

$120.00

Claude 3.7 Thinking Sonnet is cheaper on both — 2.5× input, 4.0× output

Writing DNA

Style Comparison

Similarity

49%

Claude 3.7 Thinking Sonnet uses 223.5x more bold

Claude 3.7 Thinking Sonnet

GPT-5 Pro

61%Vocabulary65%

49wSentence Length15w

0.64Hedging0.32

2.2Bold0.0

4.5Lists2.9

0.00Emoji0.00

1.81Headings0.00

0.21Transitions0.01

Based on 21 + 11 text responses

Research

What we learned reading every model

FAQ

Common questions

Keep exploring

More comparisons

GPT-5 Pro vs Ox AlphaNew provider

Claude 3.7 Thinking Sonnet vs MiniMax M3New provider

GPT-5 Pro vs Llama 4 MaverickNew provider

Claude 3.7 Thinking Sonnet vs GPT-5Cross-provider

GPT-5 Pro vs Seed 2.1 TurboNew provider

Claude 3.7 Thinking Sonnet vs Sherlock Dash AlphaNew provider

Claude 3.7 Thinking Sonnet vs Sherlock Think AlphaNew provider

Claude 3.7 Thinking Sonnet vs Solar Pro 3New provider