Is Claude Haiku 4.5 cheaper than GPT-5 nano?

GPT-5 nano is cheaper, at $0.15 per 1M input tokens versus $0.80.

Which has the larger context window, Claude Haiku 4.5 or GPT-5 nano?

Claude Haiku 4.5 has the larger context window at 200K tokens.

GPT-5 nano is cheaper on input ($0.15 vs $0.80 per 1M tokens), Claude Haiku 4.5 has the larger context window (200K).

Spec	Claude Haiku 4.5	GPT-5 nano
Provider	Anthropic	OpenAI
Modality	Text + Vision	Text
Context window	200Kbest	128K
Input / 1M	$0.80	$0.15best
Output / 1M	$4.00	$0.60best
Released	Oct 2025	Jan 2026
Best for	Chat / Assistant, High-volume / cheap	High-volume / cheap, Chat / Assistant

Is Claude Haiku 4.5 cheaper than GPT-5 nano?: GPT-5 nano is cheaper, at $0.15 per 1M input tokens versus $0.80.
Which has the larger context window, Claude Haiku 4.5 or GPT-5 nano?: Claude Haiku 4.5 has the larger context window at 200K tokens.