Open weights trend
Open-weight models / tracked models with known accessibility per publication month. Unknown accessibility is not closed source, and open weights do not imply a fully open-source license.
Open weights trend
Total 821 · Page 7/33 · Observed 9/25/2026, 3:30:45 AM
| Name | Group | Reported value | Date | Notes | Source |
|---|---|---|---|---|---|
| Claude Opus 4 | API access | — | 2025-05-22 | API access | Source ↗ |
| Veo 3 | API access | — | 2025-05-21 | API access | Source ↗ |
| Imagen 4 | API access | — | 2025-05-20 | API access | Source ↗ |
| Seed1.5-VL | API access | — | 2025-05-11 | API access | Source ↗ |
| Gemini 2.5 Pro (May 2025) | API access | — | 2025-05-06 | API access | Source ↗ |
| Qwen3-235B-A22B | Open weights (unrestricted) | — | 2025-04-29 | Open weights (unrestricted) | Source ↗ |
| gpt-image-1 | API access | — | 2025-04-23 | API access | Source ↗ |
| Pangu Ultra | Hosted access (no API) | — | 2025-04-10 | Hosted access (no API) | Source ↗ |
| Llama 4 Scout | Open weights (restricted use) | — | 2025-04-05 | Open weights (restricted use) | Source ↗ |
| Llama 4 Maverick | Open weights (restricted use) | — | 2025-04-05 | Open weights (restricted use) | Source ↗ |
| Llama 4 Behemoth (preview) | Unreleased | — | 2025-04-05 | Unreleased | Source ↗ |
| GPT-4o (Mar 2025) | API access | — | 2025-03-27 | API access | Source ↗ |
| Gemini 2.5 Pro (Mar 2025) | API access | — | 2025-03-25 | API access | Source ↗ |
| DeepSeek-V3 (Mar 2025) | Open weights (restricted use) | — | 2025-03-24 | Open weights (restricted use) | Source ↗ |
| Diffusion Renderer | Open weights (non-commercial) | — | 2025-03-22 | Open weights (non-commercial) | Source ↗ |
| o1-pro | API access | — | 2025-03-19 | API access | Source ↗ |
| EXAONE Deep 32B | Open weights (non-commercial) | — | 2025-03-16 | Open weights (non-commercial) | Source ↗ |
| ERNIE-4.5-VL-424B-A47B (文心大模型4.5) | Open weights (unrestricted) | — | 2025-03-16 | Open weights (unrestricted) | Source ↗ |
| Hunyuan-TurboS | API access | — | 2025-03-11 | API access | Source ↗ |
| QwQ-32B | Open weights (unrestricted) | — | 2025-03-06 | Open weights (unrestricted) | Source ↗ |
| Mistral OCR | API access | — | 2025-03-06 | API access | Source ↗ |
| Mercury | API access | — | 2025-02-27 | API access | Source ↗ |
| GPT-4.5 | API access | — | 2025-02-27 | API access | Source ↗ |
| Claude 3.7 Sonnet | API access | — | 2025-02-24 | API access | Source ↗ |
| Grok 3 | API access | — | 2025-02-17 | API access | Source ↗ |
Data: Epoch AI · CC BY · View source · Automatically synced; not an exhaustive global sample