OpenAIClosed Weights

GPT-5.1 (2025-11-13)

openai/gpt-5.1-2025-11-13

Best Input Price

$1.25 / 1M

GPT model for general reasoning, writing, coding, and tool-assisted tasks

Context Window

400,000 tokens

Reasoning

Supported

Tool Calling

Supported

Released

2024-01-01

Inference Providers (1)

Provider	Model ID	Context	Input / 1M	Output / 1M	Action
NanoGPT	openai/gpt-5.1-2025-11-13	400,000	$1.25	$10.00	Docs ↗