GPT-5.1 (2025-11-13) model ID, context window & pricing
gpt
Quick facts
Model ID openai/gpt-5.1-2025-11-13
Source NanoGPT
Context Window 1000000
Pricing $1.25 input / $10.00 output per 1M tokens
Capabilities -
Model overview
GPT-5.1 (2025-11-13) is an AI model from NanoGPT with 1000000 token context window and text input support.
Published pricing is $1.25 input and $10.00 output per 1M tokens.
- Workloads that use text inputs with text outputs.
Model ID openai/gpt-5.1-2025-11-13
Provider NanoGPT
Family gpt
Status -
Knowledge Cutoff -
Release Date 2025-11-13
Input Modalities text
Output Modalities text
Context Window 1000000
Input Limit 1000000
Output Limit 32768
Tool Calling No
Reasoning No
Structured Output No
Temperature Control -
Open Weights No
Input Cost / 1M tokens $1.25
Output Cost / 1M tokens $10.00
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens -
Cache Write Cost / 1M tokens -