Is Claude Opus 4.8 or Claude Sonnet 4 (latest) cheaper?

Claude Sonnet 4 (latest) is cheaper on output tokens ($15.00 vs $25.00 per 1M).

Which has the larger context window, Claude Opus 4.8 or Claude Sonnet 4 (latest)?

Claude Sonnet 4 (latest) has the larger context window (216K tokens).

Claude Opus 4.8 vs Claude Sonnet 4 (latest)

Claude Sonnet 4 (latest) is cheaper on output tokens, while Claude Sonnet 4 (latest) offers a larger context window. Choose Claude Opus 4.8 or Claude Sonnet 4 (latest) based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Claude Opus 4.8	Claude Sonnet 4 (latest)
Provider	GitHub Copilot	GitHub Copilot
Input / 1M tokens	$5.00	$3.00
Output / 1M tokens	$25.00	$15.00
Context window	200K	216K
Parameters	—	—
Open weights	No	No
Released	May 2026	May 2025

Claude Opus 4.8 details →Claude Sonnet 4 (latest) details →

FAQ

Pricing is indicative — confirm with the provider before production use. Highlighted values indicate the better figure for that row.