Is claude-sonnet-4-6-thinking or claude-sonnet-4-5 cheaper?

claude-sonnet-4-6-thinking and claude-sonnet-4-5 have comparable output pricing.

Which has the larger context window, claude-sonnet-4-6-thinking or claude-sonnet-4-5?

claude-sonnet-4-6-thinking has the larger context window (1M tokens).

claude-sonnet-4-6-thinking vs claude-sonnet-4-5

Both have similar output pricing, while claude-sonnet-4-6-thinking offers a larger context window. Choose claude-sonnet-4-6-thinking 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-4-6-thinking	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	1M	200K
Parameters	—	—
Open weights	No	No
Released	Feb 2026	Sep 2025

claude-sonnet-4-6-thinking 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.