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gpt-image-2 is OpenAI’s flagship image model. Text-to-image and image-to-image (mask-driven edits) live on a single endpoint, billed per image generated. Strong on layout fidelity, in-image typography, and product/scene composition — the place to reach for when “looks like a real OpenAI render” matters more than the lowest per-image cost. Pricing: 0.08/image—seethe[ratecard](/pricing).Thegatewaybillsaflat0.08 / image — see the [rate card](/pricing). The gateway bills a flat 0.08 per generated image; failures don’t bill.

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Protocols

ProtocolPath
OpenAI ImagesPOST https://llm.bytespike.ai/v1/images/generations

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Quickstart

curl https://llm.bytespike.ai/v1/images/generations \
  -H "Authorization: Bearer $BYTESPIKE_API_KEY" \
  -H "content-type: application/json" \
  -d '{
    "model": "gpt-image-2",
    "prompt": "A flat-style red apple on a soft beige background, marketing hero",
    "n": 1,
    "size": "1024x1024"
  }'

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Capabilities

CapabilitySupported
Text-to-image✅
Image-to-image (with source_image)✅
Mask-driven edits✅
n ≥ 2 batch generation✅
size 1024×1024 / 1024×1792 / 1792×1024✅
quality standard / hd✅
response_format url / b64_json✅
Modalityimage
Capability bucketimage_generate

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When to use

  • Marketing creative — hero images, social cards, anywhere typography-in-image matters.
  • Product mockups — fidelity on materials, lighting, and small print holds up better than most domestic alternatives.
  • DOSIA generate_image tool — the main brain will resolve “draw me an X” to this model by default when permission is granted.
When not to use:
  • High-volume or budget-sensitive work — nano-banana is materially cheaper for the same shape.
  • Photorealistic Chinese aesthetic / poster work — try seedream-4 or seedream-4.5.

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