OpenAI: GPT-5.4 model ID, context window & pricing
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Quick facts
Model ID openai/gpt-5.4
Source Kilo Gateway
Context Window 1050000
Pricing $2.50 input / $15.00 output per 1M tokens
Capabilities tool calling, reasoning
Model overview
OpenAI: GPT-5.4 is an AI model from Kilo Gateway with 1050000 token context window and image, pdf, text input support.
Published pricing is $2.50 input and $15.00 output per 1M tokens.
- Workloads that use image, pdf, text inputs with text outputs.
- Agent and tool workflows that need function calling.
- Reasoning-heavy prompts where stepwise problem solving matters.
Model ID openai/gpt-5.4
Provider Kilo Gateway
Family -
Status -
Knowledge Cutoff -
Release Date 2026-03-06
Input Modalities image, pdf, text
Output Modalities text
Context Window 1050000
Input Limit -
Output Limit 128000
Tool Calling Yes
Reasoning Yes
Structured Output -
Temperature Control -
Open Weights No
Input Cost / 1M tokens $2.50
Output Cost / 1M tokens $15.00
Reasoning Cost / 1M tokens -
Cache Read Cost / 1M tokens -
Cache Write Cost / 1M tokens -