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

claude-sonnet-4-5-20250929 and claude-sonnet-4-5 have comparable output pricing.

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

Both models offer a similar context window.

claude-sonnet-4-5-20250929 vs claude-sonnet-4-5

Both have similar output pricing. Choose claude-sonnet-4-5-20250929 or claude-sonnet-4-5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	claude-sonnet-4-5-20250929	claude-sonnet-4-5
Provider	302.AI	302.AI
Input / 1M tokens	$3.00	$3.00
Output / 1M tokens	$15.00	$15.00
Context window	200K	200K
Parameters	—	—
Open weights	No	No
Released	Sep 2025	Sep 2025

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

FAQ

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