GPT-4.1 vs Claude 3 Opus

Compare GPT-4.1 by OpenAI against Claude 3 Opus by Anthropic, context windows of 1.0M vs 200K, tested across 12 shared challenges. Updated March 2026.

Which is better, GPT-4.1 or Claude 3 Opus?

GPT-4.1 and Claude 3 Opus are both competitive models. GPT-4.1 costs $2/M input tokens vs $15/M for Claude 3 Opus. Context windows: 1048K vs 200K tokens. Compare their real outputs side by side below.

Key Differences Between GPT-4.1 and Claude 3 Opus

GPT-4.1 is made by openai while Claude 3 Opus is from anthropic. GPT-4.1 has a 1048K token context window compared to Claude 3 Opus's 200K. On pricing, GPT-4.1 costs $2/M input tokens vs $15/M for Claude 3 Opus.

Our Verdict
GPT-4.1
GPT-4.1
Claude 3 Opus
Claude 3 OpusRunner-up

No community votes yet. On paper, GPT-4.1 has the edge — newer, bigger context window.

GPT-4.1 is 9.4x cheaper per token — worth considering if cost matters.

Too close to call
FAQ

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