| Provider | Image C2PA | Video C2PA | Official trust | AI declaration | China label | Last tested |
|---|---|---|---|---|---|---|
| OpenAI GPT Image | Present (export-dependent) | Not tested | Certificate-chain based | Often trainedAlgorithmicMedia | Not a China implicit label | 2026-09-17 |
| Google Gemini / Imagen | Not tested | Not tested | Not tested | Not tested | Not tested | — |
| Adobe Firefly | Not tested | Not tested | Not tested | Not tested | Not tested | — |
| Midjourney | Not tested | Not tested | Not tested | Not tested | Not tested | — |
| Runway | Not tested | Not tested | Not tested | Not tested | Not tested | — |
| Stability AI | Not tested | Not tested | Not tested | Not tested | Not tested | — |
| Doubao / Jimeng / Kling / Tongyi | Not tested | Not tested | Not tested | Not tested | Not tested | — |
Engine version is in the footer. Official trust is not a company-name match.