Is claude-haiku-4-5-20251001 or gpt-5.1-codex cheaper?

claude-haiku-4-5-20251001 is cheaper on output tokens ($4.50 vs $9.00 per 1M).

Which has the larger context window, claude-haiku-4-5-20251001 or gpt-5.1-codex?

gpt-5.1-codex has the larger context window (400K tokens).

claude-haiku-4-5-20251001 vs gpt-5.1-codex

claude-haiku-4-5-20251001 is cheaper on output tokens, while gpt-5.1-codex offers a larger context window. Choose claude-haiku-4-5-20251001 or gpt-5.1-codex based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	claude-haiku-4-5-20251001	gpt-5.1-codex
Provider	Jiekou.AI	Jiekou.AI
Input / 1M tokens	$0.90	$1.13
Output / 1M tokens	$4.50	$9.00
Context window	20K	400K
Parameters	—	—
Open weights	No	No
Released	Jan 2026	Jan 2026

claude-haiku-4-5-20251001 details →gpt-5.1-codex details →

FAQ

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