OpenAIGPT-5Oct 14, 2025
OpenAI: GPT-5 Image
GPT-5 Image combines OpenAI's GPT-5 model with state-of-the-art image generation capabilities. It offers major improvements in reasoning, code quality, and user experience while incorporating GPT Image 1's superior instruction following, text rendering, and detailed image editing.
Context Window
400K
tokens
Max Output
128K
tokens
Released
Oct 14, 2025
Arena Rank
—
Capabilities
👁Vision
🧠Reasoning
🔧Tool Calling
⚡Prompt Caching
🖥Computer Use
🎨Image Generation
Supported Parameters
Frequency Penalty
Reduce repetition
Include Reasoning
Show reasoning tokens
Logit Bias
Adjust token weights
Log Probs
Token probabilities
Max Tokens
Output length limit
Presence Penalty
Encourage new topics
Reasoning
Extended thinking
Response Format
JSON mode / structured output
Seed
Deterministic outputs
Stop Sequences
Custom stop tokens
structured_outputs
Temperature
Controls randomness
Tool Choice
Control tool usage
Tool Calling
Function calling support
top_logprobs
Top P
Nucleus sampling
Pricing Comparison
| Router | Input / 1M | Output / 1M | Cached Input / 1M |
|---|---|---|---|
| OpenRouter | $10.00 | $10.00 | $1.25 |
Model IDs
OpenRouter
openai/gpt-5-imageTags
visionreasoningtool-calling