Is Claude-Sonnet-4.5 or GPT-3.5-Turbo cheaper?

GPT-3.5-Turbo is cheaper on output tokens ($1.40 vs $13.00 per 1M).

Which has the larger context window, Claude-Sonnet-4.5 or GPT-3.5-Turbo?

Claude-Sonnet-4.5 has the larger context window (983K tokens).

Claude-Sonnet-4.5 vs GPT-3.5-Turbo

GPT-3.5-Turbo is cheaper on output tokens, while Claude-Sonnet-4.5 offers a larger context window. Choose Claude-Sonnet-4.5 or GPT-3.5-Turbo based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Claude-Sonnet-4.5	GPT-3.5-Turbo
Provider	Poe	Poe
Input / 1M tokens	$2.60	$0.45
Output / 1M tokens	$13.00	$1.40
Context window	983K	16K
Parameters	—	20B
Open weights	No	No
Released	Sep 2025	Sep 2023

Claude-Sonnet-4.5 details →GPT-3.5-Turbo details →

FAQ

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