OpenAI · 2025-10-16
GPT-5 Image Mini pricing
GPT-5 Image Mini combines OpenAI's advanced language capabilities, powered by GPT-5 Mini, with GPT Image 1 Mini for efficient image generation.
Prices from OpenRouter’s models API, updated October 29, 2026
What GPT-5 Image Mini costs a month
| Workload | Standard |
|---|---|
| Support chatbot: 1,000 chats a day, 1,500 tokens in, 400 out | $137 |
| Daily summaries: 10,000 a day, 3,000 tokens in, 300 out | $2,430 |
| Coding agent: 400 calls a day, 60,000 tokens in (80% cached), 2,000 out | $552 |
30 days. Cached input billed at the cache-read price. Use your own numbers.
Cheaper models with a similar context window
| Model | Provider | Input /1M | Output /1M | Cache read /1M | Context | Chatbot, per month* |
|---|---|---|---|---|---|---|
| Extract | scaledown | $0.04 | $0 | – | 1M | $1.80 |
| Summarize | scaledown | $0.04 | $0 | – | 1M | $1.80 |
| Nex-N2.5-Mini | nex-agi | $0.025 | $0.10 | $0.0025 | 262K | $2.33 |
| GLM 5.3 Flash | Z.ai | $0.046 | $0.074 | $0.03 | 1.05M | $2.95 |
| Qwen3.7 Flash | Alibaba Qwen | $0.03 | $0.13 | $0.006 | 1M | $2.91 |
* Support chatbot: 1,000 chats a day, 1,500 tokens in, 400 out, 30 days, no caching. Prices in US dollars per 1M tokens.
Cheaper isn’t automatically as good. Glow’s GlowBench scores models on your kind of task before suggesting a swap.
Other GPT models
| Model | Input /1M | Output /1M | Cache read /1M | Context | Chatbot, per month* |
|---|---|---|---|---|---|
| GPT-6.1 Terra | $1 | $5 | $0.05 | 1.05M | $105 |
| GPT-6.1 Terra Pro | $1 | $5 | $0.05 | 1.05M | $105 |
| GPT-6.1 Sol | $2 | $10 | $0.10 | 1.05M | $210 |
| GPT-6.1 Sol Pro | $2 | $10 | $0.10 | 1.05M | $210 |
| GPT-6 Luna | $0.10 | $0.50 | $0.01 | 1.05M | $10.50 |
| GPT-6 Luna Pro | $0.10 | $0.50 | $0.01 | 1.05M | $10.50 |
* Support chatbot: 1,000 chats a day, 1,500 tokens in, 400 out, 30 days, no caching. Prices in US dollars per 1M tokens.
Related
GPT-5 Image Mini: questions
How much does GPT-5 Image Mini cost?
$2.50 per 1M input tokens and $2 per 1M output tokens, with cached input at $0.25. A 1,000-token prompt with a 500-token answer costs about $0.0035.
What is GPT-5 Image Mini’s context window?
400,000 tokens, with up to 128,000 output tokens per response.
Is there a cheaper alternative to GPT-5 Image Mini?
Extract costs $0.04 in and $0 out per 1M tokens with a similar context window. Whether it matches GPT-5 Image Mini’s quality depends on the task: test it on your own prompts (Glow’s GlowBench does this per task).
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