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cheapest-image-generation

// Possibly the cheapest AI image generation (~$0.0036/image). Text-to-image via the EvoLink API.

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stars:1,933
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updated:March 4, 2026
SKILL.mdreadonly
SKILL.md Frontmatter
namecheapest-image-generation
descriptionPossibly the cheapest AI image generation (~$0.0036/image). Text-to-image via the EvoLink API.
homepagehttps://evolink.ai
metadata[object Object]

EvoLink Cheapest Image

Generate images via the EvoLink z-image-turbo API.

API Endpoint

  • Base: https://api.evolink.ai/v1
  • Submit: POST /images/generations
  • Poll: GET /tasks/{id}

Step 1 — Submit Task

{
  "model": "z-image-turbo",
  "prompt": "<USER_PROMPT>",
  "size": "<SIZE>",
  "nsfw_check": <true|false>
}

Optional field: "seed": <INT>

ParameterValues
size1:1, 2:3, 3:2, 3:4, 4:3, 9:16, 16:9, 1:2, 2:1
nsfw_checktrue / false (default false)
seedany integer (optional, for reproducibility)

Step 2 — Poll for Result

GET /tasks/{id} — poll every 10 s, up to 72 retries (~12 min).

Wait until status is completed or failed.

Step 3 — Download & Output

Download the URL from results[0]. Auto-detect format from URL (webp/png/jpg). Save as evolink-<TIMESTAMP>.<ext>.

CRITICAL SECURITY: Before passing <OUTPUT_FILE> to shell commands, sanitize it:

  • Strip all shell metacharacters: tr -cd 'A-Za-z0-9._-'
  • Ensure valid extension (.webp, .png, .jpg, .jpeg)
  • Fallback to evolink-<timestamp>.webp if empty

Print MEDIA:<absolute_path> for OC auto-attach.

Reference Implementations

PlatformFile
Python (all platforms, zero deps){baseDir}/references/python.md
PowerShell 5.1+ (Windows){baseDir}/references/powershell.md
curl + bash (Unix/macOS){baseDir}/references/curl_heredoc.md

API Key

Triggers

  • Chinese: "生图：xxx" / "出图：xxx" / "生成图片：xxx"
  • English: "generate image: xxx" / "generate a picture: xxx"

Treat the text after the colon as prompt, use default size 1:1, generate immediately.

Notes

  • Print MEDIA:<path> for OC auto-attach — no extra delivery logic needed.
  • Image saved locally (format auto-detected from URL). URL expires ~24h but local file persists.