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OpenRouter

GPT-5.4 Image 2 API

OpenRouter
About

Build advanced reasoning agents with GPT-5.4 Image 2, a specialized AI model optimized for complex logic and chain-of-thought tasks. This model delivers cost-effective pricing at $8.00/1M input and $15.00/1M output tokens. Access GPT-5.4 Image 2 via the OpenRouter API with up to 128K output tokens.

Capabilities

Input Modalities

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Output Modalities

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Reasoning
Yes
Structured Output
Yes
Tool Use
No
WeightsClosed
Temperature
Fixed
Attachment
Supported
Limits
Context Window
272K

Tokens

Input Limit
272K

Tokens

Max Output
128K

Tokens

Pricing

Standard (per 1M tokens)

Input
$8.00
Output
$15.00

Caching (per 1M tokens)

Read
$2.00
Frequently Asked Questions

GPT-5.4 Image 2 by OpenRouter costs $8.00 per 1M input tokens and $15.00 per 1M output tokens. Cached reads cost $2.00 per 1M tokens.

Model Details
ID
openai/gpt-5.4-image-2
Provider
OpenRouter
Family
gpt
Release Date
Apr 21, 2026
Knowledge Cutoff
N/A
API Integration
NPM Package
@openrouter/ai-sdk-provider
Environment Variables
OPENROUTER_API_KEY
API Base URL
https://openrouter.ai/api/v1
Documentation