Our previous image generation model. GPT Image 1.5 offers strong instruction following and prompt adherence for image generation and editing.
Custom pricing
| Usage | Rate (USD) | Unit |
|---|---|---|
| Input text tokens | $5 | per 1M tokens |
| Input image tokens | $8 | per 1M tokens |
| Output text tokens | $10 | per 1M tokens |
| Output image tokens | $32 | per 1M tokens |
Official model pricing · currency: USD · pre-deduction settled by actual usage
OpenAI-compatible · base URL https://api.tunerouter.com/v1/
curl https://api.tunerouter.com/v1/images/generations \
-H "Authorization: Bearer $TUNEROUTER_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model": "gpt-image-1.5", "prompt": "A blue heron at dawn, watercolor"}'Model ID: gpt-image-1.5 · works with OpenAI SDKs — just point base_url at api.tunerouter.com