Is claude-sonnet-4-5-20250929 or o3-mini cheaper?

o3-mini is cheaper on output tokens ($4.40 vs $13.50 per 1M).

Which has the larger context window, claude-sonnet-4-5-20250929 or o3-mini?

claude-sonnet-4-5-20250929 has the larger context window (200K tokens).

claude-sonnet-4-5-20250929 vs o3-mini

o3-mini is cheaper on output tokens, while claude-sonnet-4-5-20250929 offers a larger context window. Choose claude-sonnet-4-5-20250929 or o3-mini based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	claude-sonnet-4-5-20250929	o3-mini
Provider	Jiekou.AI	Jiekou.AI
Input / 1M tokens	$2.70	$1.10
Output / 1M tokens	$13.50	$4.40
Context window	200K	131K
Parameters	—	—
Open weights	No	No
Released	Jan 2026	Jan 2026

claude-sonnet-4-5-20250929 details →o3-mini details →

FAQ

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