tokevenClaude Opus 4.8 vs Claude Sonnet 4.6
Side-by-side comparison of pricing, task quality, and projected cost at higher scale.
Pricing
Side-by-side pricing
Claude Opus 4.8
FlagshipClaude Sonnet 4.6
Mid-tierQuality
Task confidence comparison
Guidance
When to use Claude Opus 4.8 vs Claude Sonnet 4.6
Choose Claude Opus 4.8 when...
- -You need strong reasoning (confidence 97 vs 88)
- -You need strong code generation (confidence 95 vs 92)
- -You need strong creative writing (confidence 93 vs 85)
Choose Claude Sonnet 4.6 when...
- -You need strong code review (confidence 95 vs 94)
- -You need strong summarization (confidence 90 vs 88)
- -You need strong q&a (confidence 88 vs 85)
- -You need strong extraction (confidence 86 vs 82)
- -Cost matters: 40% cheaper on input tokens
At scale
Cost at scale
FAQ
When should I use Claude Opus 4.8 instead of Claude Sonnet 4.6?
Claude Opus 4.8 outperforms Claude Sonnet 4.6 for Reasoning, Code Generation, Creative Writing. It costs $5.00/$25.00 per million tokens (input/output).
Is Claude Sonnet 4.6 cheaper than Claude Opus 4.8?
Yes. Claude Sonnet 4.6 input costs $3.00/MTok vs $5.00/MTok for Claude Opus 4.8, saving 40% on input.
What are the context window sizes for Claude Opus 4.8 and Claude Sonnet 4.6?
Claude Opus 4.8 has a 200K token context window. Claude Sonnet 4.6 has a 200K token context window.
Go deeper on either model
Per-call cost calculators, provider lineups, and price history for both models on this page.
Other comparisons
How Claude Opus 4.8 and Claude Sonnet 4.6 stack up against the rest of the field.
Track your real costs
Comparisons show estimated costs at list price. The dashboard reveals your real spend and savings.