Openai Gpt 6 Astra Image To 3d API Documentation

Openai Gpt 6 Astra Image To 3d API Documentation

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GPT-6 Astra Image-to-3D generates textured 3D models or scenes from reference images, with optional text guidance for image-guided 3D asset creation, product visualization, concept design, virtual scenes, and production workflows. Ready-to-use REST inference API, best performance, no coldstarts, affordable pricing.

Features

GPT-6 Astra Image to 3D turns reference images into a textured 3D object or scene that can be rotated, explored, and developed further. Provide one or more images, add optional prompt guidance, set the subject scale, and generate a portable GLB model for downstream 3D workflows.


Why Choose This?

  • Image-to-3D generation
    Convert reference images into a generated 3D object or scene.

  • Object and scene creation
    Generate standalone products, props, vehicles, interiors, buildings, environments, or broader spatial concepts.

  • Material-aware output
    Guide materials such as timber, stone, glass, painted metal, fabric, ceramic, or worn surfaces through the prompt.

  • PBR texture support
    The exported model includes geometry and embedded PBR textures.

  • Portable GLB output
    Download a GLB model that can be viewed in compatible browser viewers or imported into 3D applications.


Parameters

ParameterRequiredDescription
imagesYesReference image URLs. Supports up to 10 images.
promptNoOptional guidance for the subject, materials, surroundings, or scene interpretation. Maximum length: 4000 characters.
sizeNoLongest subject dimension in meters. Range: 0.05–20. Default: 1.

How to Use

  1. Provide reference images — Upload images of the subject or scene you want to convert into 3D.
  2. Add prompt guidance optional — Describe the subject, materials, hidden details, or surrounding environment.
  3. Set size optional — Define the longest subject dimension when a specific physical scale is needed.
  4. Submit — Generate the 3D result.
  5. Download the GLB — Retrieve the generated GLB model URL from outputs.

Pricing

Pricing is fixed at $8 per generation.

OutputCost
One GLB model generation$8.00

Output

Each successful request returns a GLB model URL in outputs.

The generated model includes geometry and embedded PBR textures. Tasks have a 120-minute timeout.


Best Use Cases

  • Product visualization — Turn product references into 3D assets for inspection and presentation.
  • Concept design — Explore objects, vehicles, architecture, props, interiors, and environments in 3D.
  • Scene prototyping — Generate spatial concepts such as rooms, courtyards, workshops, hangars, or landscapes.
  • Interactive experiences — Create starting assets for viewers, prototypes, games, or immersive workflows.
  • Creative iteration — Compare multiple design directions from the same set of reference images.

Pro Tips

  • Use clear, consistent reference images of the same subject.
  • Add multiple angles when shape and proportions matter.
  • Use the prompt to explain details that are hidden, ambiguous, or not visible in the images.
  • For scenes, describe both the main subject and the surrounding space.
  • Include material details such as surface wear, glass, metal, stone, fabric, or wood when appearance matters.
  • Inspect the first result from several angles before refining the next prompt.
  • Generated assets may need cleanup for production use.
  • The result is a generated interpretation, not a dimensionally exact scan.

Example Prompt

A compact exploration spacecraft resting on three landing legs inside a service hangar. Give it a rounded ceramic hull, a smoked-glass cockpit, recessed engine nozzles, and visible panel seams. Include maintenance carts and a grated floor, with enough space to inspect the craft from all sides.


Notes

  • images is required.
  • Up to 10 reference images are supported.
  • prompt is optional and supports up to 4000 characters.
  • size controls the longest subject dimension in meters.
  • Exact likeness, physical accuracy, and photorealism are not guaranteed.
  • Lighting and material appearance may vary by 3D viewer.

Authentication

For authentication details, please refer to the Authentication Guide.

API Endpoints

Submit Task & Query Result

set -euo pipefail

export WAVESPEED_API_KEY="your-api-key"

REQUEST_BODY=$(cat <<'JSON'
{
  "images": [
    "https://interactive-examples.mdn.mozilla.net/media/cc0-images/painted-hand-298-332.jpg"
  ],
  "size": 1
}
JSON
)

# 1. Submit the prediction once. Never retry this request automatically:
# a retry after an unclear failure can create a second, billed task.
CHECK='The task may already exist. Check History or the predictions list before submitting again.'
if ! SUBMIT_RESPONSE=$(curl --silent --show-error --fail-with-body \
  --connect-timeout 10 --max-time 60 \
  -X POST "https://api.wavespeed.ai/api/v3/openai/gpt-6-astra/image-to-3d" \
  -H "Authorization: Bearer ${WAVESPEED_API_KEY}" \
  -H "Content-Type: application/json" \
  -d "${REQUEST_BODY}"); then
  printf 'Submit failed. %s\n' "${CHECK}" >&2
  exit 1
fi

TASK=$(printf '%s' "${SUBMIT_RESPONSE}" | jq 'if type == "object" and has("data") then .data else . end')
PREDICTION_ID=$(printf '%s' "${TASK}" | jq -r '.id // empty')
if [ -z "${PREDICTION_ID}" ]; then
  printf 'Submission response did not contain a prediction id. %s\n' "${CHECK}" >&2
  exit 1
fi
RESULT_URL="https://api.wavespeed.ai/api/v3/predictions/${PREDICTION_ID}/result"

# 2. Poll until the prediction reaches a final status.
BODY_FILE=$(mktemp)
trap 'rm -f "${BODY_FILE}"' EXIT
while true; do
  # Transient errors (429, 5xx) are retried, honoring Retry-After.
  HTTP_CODE=$(curl --silent --show-error --fail-with-body \
    --connect-timeout 10 --max-time 60 --retry 5 --retry-delay 2 \
    --output "${BODY_FILE}" --write-out '%{http_code}' \
    "${RESULT_URL}" \
    -H "Authorization: Bearer ${WAVESPEED_API_KEY}" || true)
  case "${HTTP_CODE}" in
    2??) ;;
    000|429|5??)  # dropped connection or temporary error: keep polling
      printf 'Task %s: HTTP %s, polling again in 10s\n' "${PREDICTION_ID}" "${HTTP_CODE}" >&2
      sleep 10; continue ;;
    *) printf 'Task %s: HTTP %s\n' "${PREDICTION_ID}" "${HTTP_CODE}" >&2
      cat "${BODY_FILE}" >&2; exit 1 ;;
  esac
  RESULT=$(jq 'if type == "object" and has("data") then .data else . end' "${BODY_FILE}")
  STATUS=$(printf '%s' "${RESULT}" | jq -r '.status // empty')

  case "${STATUS}" in
    completed) printf '%s\n' "${RESULT}" | jq '.outputs'; break ;;
    failed|cancelled|timeout|deleted)
      printf 'Task %s ended with status %s\n' "${PREDICTION_ID}" "${STATUS}" >&2
      printf '%s\n' "${RESULT}" | jq . >&2; exit 1 ;;
    *) sleep 2 ;;
  esac
done

Retry temporary errors only while polling, never the submit request. Errors, retries and timeouts

Parameters

Task Submission Parameters

Request Parameters

ParameterTypeRequiredDefaultRangeDescription
imagesarray<string>Yes-0 ~ 10 itemsReference images for 3D generation. Up to 10 images.
promptstringNo0 ~ 4000 charactersOptional text guidance for the reference images.
sizenumberNo10.05 ~ 20Longest subject dimension in meters.

Response Parameters

ParameterTypeDescription
codeintegerHTTP status code (e.g., 200 for success)
messagestringStatus message (e.g., “success”)
data.idstringUnique identifier for the prediction, Task Id
data.modelstringModel ID used for the prediction
data.outputsarrayOutput values, usually URL strings; some models return text strings or structured result objects (empty when status is not completed)
data.urlsobjectObject containing related API endpoints
data.statusstringTask status. completed is successful; failed, cancelled, timeout, and deleted are failure terminal statuses.
data.created_atstringISO timestamp of when the request was created (e.g., “2023-04-01T12:34:56.789Z”)
data.errorstringError message (empty if no error occurred)
data.timingsobjectObject containing timing details
data.timings.inferenceintegerInference time in milliseconds

Result Request Parameters

ParameterTypeRequiredDefaultDescription
idstringYes-Task ID

Result Response Parameters

ParameterTypeDescription
codeintegerHTTP status code (e.g., 200 for success)
messagestringStatus message (e.g., “success”)
dataobjectThe prediction data object containing all details
data.idstringUnique identifier for the prediction
data.modelstringModel ID used for the prediction
data.outputsarray<string | object>Array of generated outputs (empty when status is not completed). Items are usually URL strings, but may be text strings or structured result objects, depending on the model.
data.urlsobjectObject containing related API endpoints
data.statusstringStatus: completed is successful; failed, cancelled, timeout, and deleted are failure terminal statuses
data.created_atstringISO timestamp of when the request was created
data.errorstringError message (empty if no error occurred)
data.timingsobjectObject containing timing details
data.timings.inferenceintegerInference time in milliseconds
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