Which is cheaper, Claude Opus 4.8 or Claude Sonnet 4.5?
Claude Sonnet 4.5 costs $3/M input; Claude Opus 4.8 costs $5/M input. Price spread matters at billion-token scale.
Gateway catalog snapshot.
Claude Sonnet 4.5 is cheaper at $3/M input vs $5/M input for Claude Opus 4.8. Compare context, hosts, and o10 routing bands.
Last updated: 2026-06-27. Full catalog. Reference prices are dated snapshots. Compare total cost and measured task quality before choosing a route.
Claude Opus 4.8 vs Claude Sonnet 4.5. Price, context, routing
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AnswersSelf-contained
How do Claude Opus 4.8 and Claude Sonnet 4.5 context windows compare?
Claude Opus 4.8: 1,000,000 tokens. Claude Sonnet 4.5: 1,000,000 tokens.
01Deep dive
Comparison summary
Claude Sonnet 4.5 is cheaper at $3/M input vs $5/M input for Claude Opus 4.8. Compare context, hosts, and o10 routing bands.
Claude Sonnet 4.5 is cheaper at $3/M input vs $5/M input for Claude Opus 4.8. Compare context, hosts, and o10 routing bands.
SourceMethodology
o10 gateway + fulfillment catalog snapshot.
FAQFrequently asked questions
Common questions
Which is cheaper, Claude Opus 4.8 or Claude Sonnet 4.5?
Claude Sonnet 4.5 at $3/M input vs $5/M for Claude Opus 4.8.
Can you run both on the same hosts?
Claude Opus 4.8: Anthropic. Claude Sonnet 4.5: Anthropic.