Claude Opus 4.8 vs Claude Sonnet 4.6: price comparison
Real 2026 API prices side by side, with the total cost of a typical 10M-input / 3M-output monthly workload.
Price & cost at a glance
| Claude Opus 4.8 | Claude Sonnet 4.6 | |
|---|---|---|
| Input / 1M tokens | $15 | $3 |
| Output / 1M tokens | $75 | $15 |
| Context window | 300K | 300K |
| Cost — 10M in + 3M out | $375 | $75 |
Green = cheaper / larger. Prices per 1M tokens, USD. Snapshot 2026 — verify with the provider.
Which is cheaper?
Run your own token mix in the cost calculator, or see each model in depth: Claude Opus 4.8 · Claude Sonnet 4.6.
Frequently asked
Is Claude Opus 4.8 or Claude Sonnet 4.6 cheaper?
At a typical 10M input + 3M output tokens per month, Claude Sonnet 4.6 costs about $75 versus $375 for Claude Opus 4.8 — Claude Sonnet 4.6 is roughly 5.0x cheaper on this workload. Your ratio of input to output tokens changes the gap.
What's the price difference between Claude Opus 4.8 and Claude Sonnet 4.6?
Claude Opus 4.8 is $15/$75 per 1M input/output tokens; Claude Sonnet 4.6 is $3/$15. Output tokens usually dominate a bill, so compare the output price first.
Which has the bigger context window, Claude Opus 4.8 or Claude Sonnet 4.6?
Claude Opus 4.8 supports about 300K tokens and Claude Sonnet 4.6 about 300K. A bigger window costs more per call because every token in context is billed.
Related comparisons
Educational estimates — not affiliated with any provider.