Is GPT-5.3 Codex or Claude Haiku 4.5 cheaper?

Claude Haiku 4.5 is cheaper on output tokens ($5.00 vs $14.00 per 1M).

Which has the larger context window, GPT-5.3 Codex or Claude Haiku 4.5?

GPT-5.3 Codex has the larger context window (400K tokens).

GPT-5.3 Codex vs Claude Haiku 4.5

Claude Haiku 4.5 is cheaper on output tokens, while GPT-5.3 Codex offers a larger context window. Choose GPT-5.3 Codex or Claude Haiku 4.5 based on the trade-off between cost, context, and the benchmarks that matter for your use case.

Spec	GPT-5.3 Codex	Claude Haiku 4.5
Provider	DigitalOcean	DigitalOcean
Input / 1M tokens	$1.75	$1.00
Output / 1M tokens	$14.00	$5.00
Context window	400K	200K
Parameters	—	—
Open weights	No	No
Released	Feb 2026	Oct 2025

GPT-5.3 Codex details →Claude Haiku 4.5 details →

FAQ

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