OpenAI

GPT-5 Image Mini

$2.50 per 1M input tokens and $2.00 per 1M output tokens · 400K context · vision, reasoning, JSON.

Prices checked Oct 21, 2026 · tracked by LLM Cost Index since Oct 21, 2026

$2.50
input / 1M tokens
$2.00
output / 1M tokens
$0.25
cached input / 1M
400K
context window
128K
max output

What GPT-5 Image Mini costs per month

Estimated monthly bill for typical workloads, using the cached-input price for repeated context. Try your own numbers in the cost calculator.

WorkloadPer month
Customer chatbot
1,000 conversations a day, 8 turns each
$582
Document Q&A (RAG)
500 questions a day over retrieved documents
$220
Coding / tool-using agent
200 tasks a day, long tool-heavy contexts
$341
Content generation
30 long articles a day
$11.25
Classification / extraction
100,000 short items a day
$2,340

Price history

We started tracking GPT-5 Image Mini on Oct 21, 2026; the chart appears as soon as there is a second data point. See all recent price changes.

Cheaper alternatives to GPT-5 Image Mini

Models with the same image input, structured output for at least 20% less (3:1 input/output mix), most capable first.

Cheaper alternatives to GPT-5 Image Mini
Model Input / 1M Output / 1M Context Capabilities
MiMo-V2.6-Pro
Xiaomi
$0.435 $0.87 1.05M visionaudiotoolsreasoningJSONopen weights
Step 5 Preview
Stepfun
$1.00 $2.70 1.05M visiontoolsreasoningJSONopen weights
Claude Haiku 5.5
Anthropic
$0.10 $0.50 1M visiontoolsreasoningJSON
GLM 5.3 Flash
Z.ai
$0.041 $0.12 1.05M visiontoolsreasoningJSONopen weights
$0.825 $4.13 1.05M visionaudiotoolsreasoningJSON

How to pay less for GPT-5 Image Mini

For a customer chatbot (1,000 conversations a day, 8 turns each) that costs $1,068 a month at list price without caching:

OptionPer monthYou save
Move to MiMo-V2.6-Pro (similar capabilities)$136$932 (87%)
Use prompt caching (60% of input cached)$582$486 (46%)

Other workloads: cut-your-bill tool for GPT-5 Image Mini.

Specifications

Model IDopenai/gpt-5-image-mini
Inputfile, image, text
Outputimage, text
Tool callingNo
Structured outputYes
Reasoning modeYes
Open weightsNo
ReleasedOct 16, 2025
Web search$0.01 per request

FAQ

How much does GPT-5 Image Mini cost?
$2.50 per million input tokens and $2.00 per million output tokens; cached input costs $0.25 per million. Prices as of Oct 21, 2026.
What is the context window of GPT-5 Image Mini?
400K tokens, with up to 128K output tokens per response.
Does GPT-5 Image Mini support images, tools and structured output?
Images as input: yes. Tool calling: no. Structured (JSON) output: yes. Reasoning mode: yes.
What are cheaper alternatives to GPT-5 Image Mini?
Models with the same key capabilities for at least 20% less include MiMo-V2.6-Pro ($0.435 / $0.87), Step 5 Preview ($1.00 / $2.70), Claude Haiku 5.5 ($0.10 / $0.50).

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