Model Details
Where is GPT-5.1 Chat Latest a perfect fit?
- Interactive chatbots and conversational agents needing low-latency, high-quality responses.
- Roleplay, customer support, and creative dialogue where tone and personality matter.
- Tool-using agents with “no reasoning” mode for fast instruction-following.
- Applications where extended context makes a difference, like multi-turn discussion or memory-based workflows.
- Teams building agentic workflows: the shell tool and apply_patch tool support make it great for command-line interactions and code editing.
Quick Model Estimate
Your GPT-5.1 Chat Latest Cost Estimate
💰 Total Cost
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for 1000 input + 1000 output tokens
Cost Breakdown
Prices are watched for changes and checked against the provider's own page.
Pricing
Other Models in the GPT-5.1 Family
FAQs about GPT-5.1 Chat Latest
How much does GPT-5.1 Chat Latest cost per 1M tokens?
GPT-5.1 Chat Latest costs $1.25 per million input tokens, and $10.00 per million output tokens.
What does a typical workload cost with GPT-5.1 Chat Latest?
1,000 requests of 2,000 input and 500 output tokens each — 2,000,000 input and 500,000 output tokens in total — costs $7.50 with GPT-5.1 Chat Latest at its lowest rates. Use the calculator on this page for your own volumes.
Where can I use GPT-5.1 Chat Latest?
GPT-5.1 Chat Latest is available through OpenAI, from $1.25 per million input tokens.
What is GPT-5.1 Chat Latest's context window?
GPT-5.1 Chat Latest has a context window of 128,000 tokens, and returns up to 16,384 tokens in a single response.
Is GPT-5.1 Chat Latest still available?
GPT-5.1 Chat Latest is deprecated and was retired on 23 July 2026. The replacement is GPT-5.6 Sol.