Models

Side-by-side

Planning price and context for the models you picked. Sample cost uses 10,000 input tokens and 2,000 output tokens.

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Metric	GPT-5 Pro	GPT-5.4
Provider	OpenAI	OpenAI
Blended $/1M	$41.25	$5.63
Input $/1M	$15	$2.5
Output $/1M	$120	$15
Context	400,000	400,000
Sample request	$0.3900	$0.0550
Tokenizer	Exact in browser	Exact in browser