GPT-5.4 (batch) coding
GPT-5.4 is OpenAI’s latest frontier model, unifying the Codex and GPT lines into a single system. It features a 1M+ token context window (922K input, 128K output) with support for...
Capabilities
Context Window 1M tokens
Max Output 128k tokens
Inputs
Outputs
Pricing (per 1M tokens)
Input $1.25
Output $7.50
Cache Read $0.12
Cache Write -
Supported Parameters
include_reasoningmax_tokensreasoningreasoning_effortresponse_formatseedstructured_outputstool_choicetools