Claude Opus 4.1 vs Claude Opus 4.8
Compare Claude Opus 4.1 and Claude Opus 4.8, both from Anthropic, context windows of 200K vs 1.0M, tested across 53 shared challenges. Updated June 2026.
Which is better, Claude Opus 4.1 or Claude Opus 4.8?
Claude Opus 4.1 and Claude Opus 4.8 are both competitive models. Claude Opus 4.1 costs $15/M input tokens vs $5/M for Claude Opus 4.8. Context windows: 200K vs 1000K tokens. Compare their real outputs side by side below.
Key Differences Between Claude Opus 4.1 and Claude Opus 4.8
Claude Opus 4.1 is made by anthropic while Claude Opus 4.8 is from anthropic. Claude Opus 4.1 has a 200K token context window compared to Claude Opus 4.8's 1000K. On pricing, Claude Opus 4.1 costs $15/M input tokens vs $5/M for Claude Opus 4.8.
Per 1M tokens
Claude Opus 4.8 is cheaper on both — 3.0× input, 3.0× output
No community votes yet. On paper, Claude Opus 4.8 has the edge — newer, bigger context window.
Claude Opus 4.8 is 3.0x cheaper per token — worth considering if cost matters.
Style Comparison
Claude Opus 4.1 uses 4.6x more sentence length
