OpenAI: GPT-5.4

OpenAIenterprise
openai/gpt-5.4

Description

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...

Specifications

Context Window

1,050,000

tokens

Max Completion Tokens

128,000

tokens

Input Modalities

textimagefile

Output Modalities

text

Supported Parameters

include_reasoningmax_completion_tokensmax_tokensreasoningresponse_formatseedstructured_outputstool_choicetools

Pricing

Price TypeRateUnit
Input (Prompt)$0.000003per 1M tokens
Output (Completion)$0.000015per 1M tokens
Web Search$0.010000per query
Cache Read$0.000000per 1M tokens

Tier Availability

Free

Not Available

Pro

Not Available

Enterprise

✓ Available