Claude Opus 4.8 vs GPT-4.1
Compare Claude Opus 4.8 by Anthropic against GPT-4.1 by OpenAI, context windows of 1.0M vs 1.0M, tested across 53 shared challenges. Updated May 2026.
Which is better, Claude Opus 4.8 or GPT-4.1?
Claude Opus 4.8 and GPT-4.1 are both competitive models. Claude Opus 4.8 costs $5/M input tokens vs $2/M for GPT-4.1. Context windows: 1000K vs 1048K tokens. Compare their real outputs side by side below.
Key Differences Between Claude Opus 4.8 and GPT-4.1
Claude Opus 4.8 is made by anthropic while GPT-4.1 is from openai. Claude Opus 4.8 has a 1000K token context window compared to GPT-4.1's 1048K. On pricing, Claude Opus 4.8 costs $5/M input tokens vs $2/M for GPT-4.1.
Per 1M tokens
GPT-4.1 is cheaper on both — 2.5× input, 3.1× output
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
GPT-4.1 is 3.1x cheaper per token — worth considering if cost matters.
Style Comparison
Claude Opus 4.8 uses 3.3x more emoji
