Back to all models
openai
OpenAI: GPT-5.1 (batch)
GPT-5.1 is the latest frontier-grade model in the GPT-5 series, offering stronger general-purpose reasoning, improved instruction adherence, and a more natural conversational style compared to GPT-5. It uses adaptive reasoning...
openai/gpt-5.1:batch
Context Size
400K
Input Price
93,750 pts/M
Output Price
750,000 pts/M
Architecture
Image
Text
File
Supported Parameters
include_reasoningmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputstool_choicetools
Details
TokenizerGPT
Max Completion128,000 tokens
Provider Context400K tokens
ModeratedYes
CreatedNov 13, 2025