Is Claude Sonnet 4.5 or GPT-Image-2 cheaper?

Claude Sonnet 4.5 is cheaper on output tokens ($15.00 vs $30.00 per 1M).

Which has the larger context window, Claude Sonnet 4.5 or GPT-Image-2?

Claude Sonnet 4.5 has the larger context window (200K tokens).

Claude Sonnet 4.5 vs GPT-Image-2

Claude Sonnet 4.5 is cheaper on output tokens, while Claude Sonnet 4.5 offers a larger context window. Choose Claude Sonnet 4.5 or GPT-Image-2 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Claude Sonnet 4.5	GPT-Image-2
Provider	Azure	Azure
Input / 1M tokens	$3.00	$5.00
Output / 1M tokens	$15.00	$30.00
Context window	200K	0
Parameters	—	—
Open weights	No	No
Released	Nov 2025	Apr 2026

Claude Sonnet 4.5 details →GPT-Image-2 details →

FAQ

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