GPT 5.1 Thinking (Fast)

1 provider

GPT 5.1 Thinking (Fast) is available from 1 provider. The lowest input price is $2.5 per million tokens from Vercel AI Gateway. It supports up to 400K tokens of context.

Cheapest input ($/M): $2.5 via Vercel AI Gateway
Cheapest output ($/M): $20 via Vercel AI Gateway
Max context: 400K
Max output: 128K
Released: Nov 12, 2025
Open weights: -
Input modalities: FileImageText
Output modalities: Text

Features

ReasoningToolsFiles

Providers offering GPT 5.1 Thinking (Fast)


Vercel AI Gateway	openai/gpt-5.1-thinking-fast	$2.5	$20	$0.25	400K	128K

GPT 5.1 Thinking (Fast)

1 provider

GPT 5.1 Thinking (Fast) is available from 1 provider. The lowest input price is $2.5 per million tokens from Vercel AI Gateway. It supports up to 400K tokens of context.

Cheapest input ($/M): $2.5 via Vercel AI Gateway
Cheapest output ($/M): $20 via Vercel AI Gateway
Max context: 400K
Max output: 128K
Released: Nov 12, 2025
Open weights: -
Input modalities: FileImageText
Output modalities: Text

Features

ReasoningToolsFiles

Providers offering GPT 5.1 Thinking (Fast)


Vercel AI Gateway	openai/gpt-5.1-thinking-fast	$2.5	$20	$0.25	400K	128K