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OpenAI: GPT-5 Image Mini

GPT-5 Image Mini combines OpenAI's advanced language capabilities, powered by [GPT-5 Mini](https://openrouter.ai/openai/gpt-5-mini), with GPT Image 1 Mini for efficient image generation. This natively multimodal model features superior instruction following, text...

Source-linked Weight access not listed
API data Report
Input modalitiesT
Output modalitiesT
Input price$2.5/1M tokens
Output price$2/1M tokens
Context window400K
Max output128K
Overview

Capabilities and specifications

? Reasoning Unknown
? Tool calling Unknown
? Structured output Unknown
? Attachments Unknown
✓ Vision input Yes
? Open weights Unknown
Creator
OpenAI
Model family
Not documented
Knowledge cutoff
Not documented
License
Not documented
Release date
Not documented
Model ID
openai/gpt-5-image-mini
Inference availability

Provider pricing and availability

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Serving quality

Performance and reliability

Observed serving measurements stay separate from model specifications and are never estimated from price or model size.

Throughput Not reported

Generation speed; higher is faster.

Latency / TTFT Not reported

Time until the first output token arrives.

Uptime Not reported

Successful requests over a measured period.

Performance varies by inference provider, region, and load. Provider-level measurements appear only when a source reports them.

Published evaluations

Benchmarks

Raw results remain attached to their original source and version.

Benchmark registry
Design Arena: graphicdesign - Unversioned - eloTop 5 reported models
Nano Banana 2
1287.0
Nano Banana Pro
1277.0
OpenAI: GPT-5 Image
1199.0
Nano Banana
1194.0
OpenAI: GPT-5 Image Mini
1193.0
Design Arena: image - Unversioned - eloTop 5 reported models
Nano Banana 2
1299.0
Nano Banana Pro
1266.0
OpenAI: GPT-5 Image
1214.0
Nano Banana
1209.0
OpenAI: GPT-5 Image Mini
1206.0
Design Arena: logo - Unversioned - eloTop 5 reported models
Nano Banana 2
1276.0
Nano Banana Pro
1254.0
OpenAI: GPT-5 Image Mini
1222.0
OpenAI: GPT-5 Image
1215.0
Nano Banana
1182.0
Catalog activity

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Public API

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API documentation
Endpoint
GET https://www.modelbench.lol/api/v1/models/openai/gpt-5-image-mini
curl
curl "https://www.modelbench.lol/api/v1/models/openai/gpt-5-image-mini"