GPT 5.1 Chat
FrontierCompare pricing across 2 providers. Cheapest: Azure OpenAI at $3.44/1M tokens.
Family
openai
Context Window
128K
Max Output
16K
Arena ELO
1395
Type
chat
Provider Pricing(2 providers)
| Provider | Input/1M↑ | Output/1M | Link |
|---|---|---|---|
Azure OpenAICheapest | $1.25 | $10.00 | Use model |
OpenRouterCheapest | $1.25 | $10.00 | Use model |
Model Aliases
azure/gpt-5.1-chatopenai-gpt-5-1-chatOpenAI: GPT-5.1 Chatus-gpt-5-1-chatus/gpt-5.1-chateu-gpt-5-1-chateu/gpt-5.1-chatglobal-gpt-5-1-chatglobal/gpt-5.1-chatgpt-5-1-chat-2025-11-13gpt-5.1-chat-2025-11-13
Frequently Asked Questions
The cheapest provider for GPT 5.1 Chat is currently Azure OpenAI at $3.4375 per million tokens (blended rate). Prices are verified every 6 hours. Check the provider comparison table below for all available options.
Prices in USD per 1M tokens. Updated every 6 hours.