Context
128K
Max output
128K
Serving providers
1
Cheapest input
$1.25 /1M
Prices are on-demand list rates. Enterprise commitments (committed-use discounts, provisioned throughput, negotiated rates) can be materially lower.
Pricing by serving provider
standard tier · per 1M tokens · click a provider to expand| Serving provider | Input /1M | Output /1M | Endpoints | |||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AzureCheapest | $1.25 | $10.00 | 1 | |||||||||||||||||||||
| ||||||||||||||||||||||||
Price history
input + output $/1M since we started tracking Input Output
Cost calculator
estimate your monthly spend on this model$1,050
estimated / month
Model IDs
copy the exact identifier for your platformazure/global/gpt-5.1-chat
Frequently asked questions
GPT-5.1 Chat pricing, context and availabilityHow much does GPT-5.1 Chat cost?
GPT-5.1 Chat costs $1.25 per 1M input tokens and $10.00 per 1M output tokens at its cheapest provider via Azure.
What is the context window of GPT-5.1 Chat?
GPT-5.1 Chat accepts up to 128K tokens of context and can return up to 128K output tokens.
What can GPT-5.1 Chat do?
GPT-5.1 Chat supports image input (vision), tool use, reasoning, prompt caching and structured output.
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