Is Claude Opus 5 or Seed 1.6 Flash cheaper?

Seed 1.6 Flash is cheaper on output tokens ($0.41 vs $32.50 per 1M).

Which has the larger context window, Claude Opus 5 or Seed 1.6 Flash?

Claude Opus 5 has the larger context window (1M tokens).

Claude Opus 5 vs Seed 1.6 Flash

Seed 1.6 Flash is cheaper on output tokens, while Claude Opus 5 offers a larger context window. Choose Claude Opus 5 or Seed 1.6 Flash based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Claude Opus 5	Seed 1.6 Flash
Provider	AI/ML API	AI/ML API
Input / 1M tokens	$6.50	$0.10
Output / 1M tokens	$32.50	$0.41
Context window	1M	262K
Parameters	—	—
Open weights	No	No
Released	Jul 2026	Aug 2025

Claude Opus 5 details →Seed 1.6 Flash details →

FAQ

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