GPT 5 3 Chat

The same model varies by 2.9× on input price — from $0.610 at Experiential Labs up to $1.75 at AIHubMix.

• Experiential Labs cheapest

  gpt-5.3-chat

  Input /1M

  $0.610

  Output /1M

  $2.94
  context —Sign up
• AIHubMix

  gpt-5.3-chat-latest

  Input /1M

  $1.75

  Output /1M

  $14.00
  context 128KSign up
• OpenAI

  gpt-5.3-chat-latest

  Input /1M

  —

  Output /1M

  —
  context —Sign up

Gateway	Model ID	Context	Input /1M	Output /1M
Experiential Labs cheapest	gpt-5.3-chat	—	$0.610	$2.94	Sign up
AIHubMix	gpt-5.3-chat-latest	128K	$1.75	$14.00	Sign up
OpenAI	gpt-5.3-chat-latest	—	—	—	Sign up

Data last updated 21 minutes ago.