⚖️ Compare models

Side-by-side specs, arena Elo, and cheapest prices for up to 4 models. Best value in each row is highlighted.

Spec	Grok 4.5 ✕	GPT-5.4 ✕
Organization	x-ai	openai
Use case	chat	chat
Capabilities	vision, chat	vision, chat
Access	API access	API access
Text Arena Elo	1452	1453
Search Arena Elo	1213	—
Cheapest input $/M	$2.00	$2.50
Cheapest output $/M	$6.00	$15.00
Context window	500K	1050K
Parameters	1.5T	—
HF downloads	—	—
7d news mentions	2	9