{
  "schema_version": 1,
  "public_model_id": "openai/gpt-image-2",
  "canonical_page": "https://www.maxapi.dev/models/openai/gpt-image-2",
  "reviewed_at": "2026-09-10",
  "generated_at": "2026-09-11T02:12:59.274Z",
  "scope": "Checked against MaxAPI's public catalogue, gateway implementation and local regression cases. Shared gateway checks are not separate end-to-end tests of every listed model. This is an integration reference, not a live upstream availability or performance report.",
  "summary": "GPT Image 2 is available in MaxAPI's image API under openai/gpt-image-2, for generation and reference-image editing. This catalogue entry allows up to 16 references. Published routes are official, official-cheap, mix; file acceptance, permissions and output options must be checked for the route you actually use.",
  "model_profile": {
    "family_id": "openai/gpt-image-2",
    "reviewed_at": "2026-09-10",
    "title": "Flexible canvases and reference fidelity",
    "provider_positioning": "OpenAI describes GPT Image 2 as a generation-and-editing model with flexible image sizes and high-fidelity image inputs. Its useful distinction here is a pixel-sized canvas and reference-led editing, rather than Gemini's named resolution tiers.",
    "selection_advice": "Use it as a baseline for an existing OpenAI-shaped image workflow. Compare Sunburst when preserving unedited details is your main acceptance criterion; compare Flare when exploring many visual directions.",
    "limitations": "A 4K label is not permission to request a 4096×4096 canvas. Validate dimensions and inspect the returned file. High-fidelity input does not guarantee pixel-identical packaging, lettering or faces.",
    "suggested_use_cases": [
      {
        "title": "Exact-format website banners",
        "body": "Start from the actual placement dimensions. Leave a title-safe area and evaluate the crop before spending on final output."
      },
      {
        "title": "Product scene replacement",
        "body": "Supply the real product and change its surroundings. Compare silhouette, label and perspective against the source, not just overall attractiveness."
      },
      {
        "title": "A migration benchmark",
        "body": "Keep a small set of accepted GPT Image 2 results before comparing 2.5. Record rework as well as generation cost."
      }
    ],
    "example_prompt": {
      "title": "Adapt a product to a wide banner",
      "text": "Use reference 1 as the product source. Keep the bottle shape, label and camera angle. Create a wide studio composition with the product in the left third and an uncluttered right half for website copy. Use a matte gray floor and soft side lighting. Do not invent packaging text or add a second product.",
      "review": "Check the returned pixel size, label integrity and title-safe crop."
    },
    "scope": "Provider capabilities describe the model, not the complete MaxAPI feature set. Use the parameters, input types and routes documented for this MaxAPI entry. Vendor speed or quality descriptions are not service-level guarantees.",
    "variant_note": null,
    "sources": [
      {
        "label": "OpenAI · gpt-image-2",
        "url": "https://developers.openai.com/api/docs/models/gpt-image-2"
      }
    ]
  },
  "illustration": {
    "url": "https://www.maxapi.dev/model-guides/individual-20260910/gpt-image-2.webp",
    "alt": "Blue trail sneaker with textured mesh on a pale ledge above a coastal landscape",
    "caption": "Campaign composition: leave room for copy while keeping product detail readable.",
    "provenance": "ai_generated_editorial_concept",
    "is_output_from_named_model": false,
    "is_benchmark": false
  },
  "illustrations": [
    {
      "section": "usecases",
      "url": "https://www.maxapi.dev/model-guides/individual-20260910/gpt-image-2.webp",
      "alt": "Blue trail sneaker with textured mesh on a pale ledge above a coastal landscape",
      "caption": "Campaign composition: leave room for copy while keeping product detail readable.",
      "width": 1536,
      "height": 1024,
      "provenance": "ai_generated_editorial_concept",
      "is_output_from_named_model": false,
      "is_benchmark": false
    },
    {
      "section": "features",
      "url": "https://www.maxapi.dev/model-guides/expanded-20260911/gpt-image-2-practice.webp",
      "alt": "Overhead running shoe, mesh swatch and blank layout sheet",
      "caption": "Separate the subject, material and framing references before composing a request.",
      "width": 1536,
      "height": 1024,
      "provenance": "ai_generated_editorial_concept",
      "is_output_from_named_model": false,
      "is_benchmark": false
    },
    {
      "section": "prompts",
      "url": "https://www.maxapi.dev/model-guides/expanded-20260911/gpt-image-2-prompt.webp",
      "alt": "Cobalt trail sneaker on coastal stone with open space to the right.",
      "caption": "Campaign composition concept with room for copy.",
      "width": 1536,
      "height": 1024,
      "provenance": "ai_generated_editorial_concept",
      "is_output_from_named_model": false,
      "is_benchmark": false
    },
    {
      "section": "workflow",
      "url": "https://www.maxapi.dev/model-guides/expanded-20260911/gpt-image-2-workflow.webp",
      "alt": "Designer checks a blue sneaker campaign print and mesh detail.",
      "caption": "Review product identity, detail, and crop before delivery.",
      "width": 1536,
      "height": 1024,
      "provenance": "ai_generated_editorial_concept",
      "is_output_from_named_model": false,
      "is_benchmark": false
    }
  ],
  "configured_facts": [
    {
      "label": "Request model ID",
      "value": "openai/gpt-image-2",
      "code": true
    },
    {
      "label": "Output type",
      "value": "Image"
    },
    {
      "label": "Base URL",
      "value": "https://api.maxapi.dev",
      "code": true
    },
    {
      "label": "Generation workflow",
      "value": "Synchronous or asynchronous"
    },
    {
      "label": "Reference images · MaxAPI limit",
      "value": "16"
    },
    {
      "label": "Quality values",
      "value": "high / auto / medium / low",
      "code": true
    },
    {
      "label": "Resolution & dimensions",
      "value": "Use size as WIDTHxHEIGHT. For 4K landscape, use 3840x2160; 4K does not mean 4096x4096."
    }
  ],
  "pricing_scope": "1 credit = US$1. These are catalogue base rates, not a live account quote. Account multipliers and the active billing configuration determine the final charge. Token rates are not a fixed price per image.",
  "pricing_index": "https://www.maxapi.dev/pricing.json",
  "routing_rules": [
    {
      "title": "Which route wins?",
      "body": "Routing priority is: the API key's configured route_modes list → an explicitly requested route → the model's default route. A non-empty key list takes precedence over route_mode in the request. To test a specific route, check the key configuration first; changing the request alone may not change the route used."
    },
    {
      "title": "A key cannot grant account permissions",
      "body": "The a, x and pro routes require the corresponding account permission. Listing one on an API key does not grant that permission. An unauthorized gated-route selection returns 403 rather than silently switching to a different pricing tier."
    },
    {
      "title": "RPM is shared at account level",
      "body": "An account's positive RPM limit covers its API keys together. A key can impose a stricter limit, but a higher key limit does not override the user limit. For example, a user limit of 200 RPM is not 200 RPM for each key. Service-level RPM and concurrency controls also apply; adding keys is not a way to bypass them."
    }
  ],
  "troubleshooting": [
    {
      "code": "400",
      "title": "Missing or invalid request fields",
      "meaning": "Check the response's error code, not only 400. For image edits, an empty prompt produces prompt_required. A parameter validation error is different from an upstream generation failure.",
      "action": "Check model, prompt, field types and documented size/quality values. Correct the request before retrying. For Gemini-native responses, inspect the numeric error.code and error.status fields."
    },
    {
      "code": "Invalid image file",
      "title": "A reference cannot be decoded or accepted",
      "meaning": "A filename ending in .png does not prove that the bytes are a valid PNG. The URL may return an error page, an incomplete download or a format the selected channel cannot use. An upstream 400 may be reported as a generic generation failure, so status alone does not identify the bad file.",
      "action": "Download and decode every reference locally. Check MIME type and pixel dimensions, then export a fresh supported image if needed. Submit one reference first and add the others in order to locate the problematic input; do not repeatedly resend an unchanged invalid file."
    },
    {
      "code": "403",
      "title": "a_route_not_enabled / x_route_not_enabled / pro_route_not_enabled",
      "meaning": "The selected restricted route is not enabled for the account. It is an access issue, not evidence that the model is offline.",
      "action": "Check both the account permission and the API key's route list. Select a route you are entitled to use or request access; do not solve a 403 by increasing retries."
    },
    {
      "code": "429",
      "title": "rate_limit_exceeded / capacity_exhausted",
      "meaning": "429 can represent account/key RPM, service-wide capacity or generation capacity. Use Retry-After and available X-RateLimit-* / X-Global-* headers to distinguish them; one status code does not identify one unique cause.",
      "action": "Respect Retry-After when present, reduce request rate or active concurrency as appropriate, and use bounded backoff. Do not treat the site's total capacity as your account's personal quota."
    },
    {
      "code": "451",
      "title": "content_policy_violation",
      "meaning": "On the image generation failure path, a recognized upstream content refusal is mapped to 451. This is not the same as a network outage. MaxAPI's local moderation and an upstream refusal are different stages, even when both prevent a result.",
      "action": "Review the stated policy issue and use compliant inputs, or contact support if you believe the classification is mistaken. Do not retry unchanged blocked content or rotate routes to evade moderation."
    },
    {
      "code": "502 / 503 / 504",
      "title": "Generation failure, unavailable service or timeout",
      "meaning": "These responses do not all mean the same thing. MaxAPI distinguishes generation_failed, generation_unavailable and generation_timeout on compatible image endpoints. A client-side timeout can also happen before the server has finished a task.",
      "action": "If you have a task ID, poll before creating another task. Without an ID, keep the request ID and timestamp and investigate before blindly resubmitting. Retry transient failures with a limit, not an unbounded loop."
    }
  ],
  "verification": {
    "environment": "local_mock_requests_and_test_storage",
    "coverage": "shared_gateway_components_not_each_model_end_to_end",
    "paid_upstream_calls": 0,
    "reviewed_at": "2026-09-10",
    "cases": [
      {
        "key": "shared-user-rpm",
        "title": "Multiple keys share the user limit",
        "input": "Use two keys owned by the same account against an in-memory limiter with a small user quota.",
        "result": "Requests across the keys consume the same user quota; subsequent requests are limited. A larger key quota does not override the user quota, and a smaller key quota remains effective."
      },
      {
        "key": "empty-edit-prompt",
        "title": "An edit with no prompt is rejected early",
        "input": "Send an image-edit request with an empty prompt and a reference URL to a local test handler.",
        "result": "HTTP 400 with error.code=prompt_required, before route dispatch. A reference image does not replace the edit instruction."
      },
      {
        "key": "image-url-input",
        "title": "JSON reference URLs are normalized for editing",
        "input": "Pass an image_url plus prompt through the local JSON-to-multipart converter; separately test image_url=not-a-url.",
        "result": "The converter retains the model and reference fields; invalid URL syntax is rejected. This is a request-format check, not a download or model-generation success test."
      },
      {
        "key": "failure-mapping",
        "title": "Content refusal and capacity failure stay distinct",
        "input": "Feed mocked upstream content-refusal and 429/503/504 responses into the generation-error mapper.",
        "result": "Content refusal maps to 451; capacity, unavailable service and timeout retain distinct public codes. The compatible 429/503 responses include Retry-After: 2 in these tests."
      },
      {
        "key": "image-reservation",
        "title": "Image reservations settle or release on completion",
        "input": "Exercise successful and failed synchronous image reservations with a local test database.",
        "result": "Success consumes the hold with a usage record. Failure releases the reservation without a generation charge. This verifies the tested code path, not a live account's current balance."
      }
    ],
    "limitations": "Local tests use simulated requests, responses and test storage; they do not call paid model channels. They verify request handling, not model image quality, live success rates, latency or end-to-end support for the maximum reference count. The concept illustrations elsewhere on this page are not these test outputs."
  },
  "sources": {
    "maxapi_documentation": "https://www.maxapi.dev/docs",
    "catalogue": "https://www.maxapi.dev/models.json",
    "provider_documentation": "https://developers.openai.com/api/docs/models/gpt-image-2"
  }
}