Is Laguna S 2.1 or GPT-5.3 Chat cheaper?

Laguna S 2.1 is cheaper on output tokens ($0.18 vs $14.00 per 1M).

Which has the larger context window, Laguna S 2.1 or GPT-5.3 Chat?

Laguna S 2.1 has the larger context window (1M tokens).

Laguna S 2.1 vs GPT-5.3 Chat

Laguna S 2.1 is cheaper on output tokens, while Laguna S 2.1 offers a larger context window. Choose Laguna S 2.1 or GPT-5.3 Chat based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Laguna S 2.1	GPT-5.3 Chat
Provider	Vercel AI Gateway	Vercel AI Gateway
Input / 1M tokens	$0.09	$1.75
Output / 1M tokens	$0.18	$14.00
Context window	1M	128K
Parameters	—	—
Open weights	Yes	No
Released	Jul 2026	Mar 2026

Laguna S 2.1 details →GPT-5.3 Chat details →

FAQ

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