gpt-image-2.5-ext API (gptimage2.5 / gpt image 2.5 ext): 4K $0.021 per image; 2K $0.014; 1K $0.0085. Model id, 4k settings, curl and Python examples over an OpenAI-compatible gatew
text-to-image api-docs pay-as-you-go openai-compatible apimart ai-api-gateway gptimage2-5 gpt-image-2-5-ext gpt-image-2-5-ext-api gptimage2-5-api gpt-image-2-5-ext-4k per-image-pricing
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Oct 13, 2026 - Python