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

Claude 3.7 Sonnet is developed by Anthropic while GPT-5 Pro is developed by OpenAI. Claude 3.7 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 Sonnet or GPT-5 Pro?

It depends on your use case. Claude 3.7 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 Sonnet cost compared to GPT-5 Pro?

Claude 3.7 Sonnet costs $3/M input tokens and GPT-5 Pro costs $15/M input tokens. Claude 3.7 Sonnet is $12.00/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 Sonnet and GPT-5 Pro on Rival?

This page shows a side-by-side comparison of Claude 3.7 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 SonnetvsGPT-5 Pro

Claude 3.7 Sonnet is cheaper than GPT-5 Pro at $3/M vs $15/M input tokens.

Claude 3.7 Sonnet and GPT-5 Pro compared across 42 shared prompts
Spec	Claude 3.7 Sonnet	GPT-5 Pro
Input price	$3/M tokens	$15/M tokens
Output price	$15/M tokens	$120/M tokens
Context window	200K tokens	400K tokens
Weights	—	Closed
Free API (OpenRouter)	No	No
Released	Feb 2025	Oct 2025
SWE-bench Verified	70.3%	74.9%