Is Claude-Sonnet-3.7 or GPT-5.1-Codex-Max cheaper?

GPT-5.1-Codex-Max is cheaper on output tokens ($9.00 vs $13.00 per 1M).

Which has the larger context window, Claude-Sonnet-3.7 or GPT-5.1-Codex-Max?

GPT-5.1-Codex-Max has the larger context window (400K tokens).

Claude-Sonnet-3.7 vs GPT-5.1-Codex-Max

GPT-5.1-Codex-Max is cheaper on output tokens, while GPT-5.1-Codex-Max offers a larger context window. Choose Claude-Sonnet-3.7 or GPT-5.1-Codex-Max based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	Claude-Sonnet-3.7	GPT-5.1-Codex-Max
Provider	Poe	Poe
Input / 1M tokens	$2.60	$1.10
Output / 1M tokens	$13.00	$9.00
Context window	197K	400K
Parameters	—	—
Open weights	No	No
Released	Feb 2025	Dec 2025

Claude-Sonnet-3.7 details →GPT-5.1-Codex-Max details →

FAQ

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