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 841 · Page 1/34 · Sample synced 11/09, 03:30 UTC
| Name | Group | Reported value | Date | Notes | Source |
|---|---|---|---|---|---|
| Gemini 4 Carbon | Unreleased | — | 2026-10-28 | Unreleased | Source ↗ |
| MAI-Base-2 | Unreleased | — | 2026-10-15 | Unreleased | Source ↗ |
| Grok Voice 3.0 | API access | — | 2026-10-14 | API access | Source ↗ |
| Muse Wonder Full | API access | — | 2026-10-12 | API access | Source ↗ |
| Muse Wonder | API access | — | 2026-10-12 | API access | Source ↗ |
| Mistral Large 4 | Open weights (restricted use) | — | 2026-10-06 | Open weights (restricted use) | Source ↗ |
| Gemini 4 Argon | Limited access | — | 2026-09-30 | Limited access | Source ↗ |
| GPT-6.1 Sol | API access | — | 2026-09-29 | API access | Source ↗ |
| Claude Sonnet 5.5 | API access | — | 2026-09-28 | API access | Source ↗ |
| GPT-6 Sol | API access | — | 2026-09-22 | API access | Source ↗ |
| GPT-6 Luna Decisions | API access | — | 2026-09-22 | API access | Source ↗ |
| GPT-6 Luna | API access | — | 2026-09-22 | API access | Source ↗ |
| Claude Opus 5.5 | API access | — | 2026-09-22 | API access | Source ↗ |
| Grok 4.7 | API access | — | 2026-09-21 | API access | Source ↗ |
| Step 5 Preview | API access | — | 2026-09-18 | API access | Source ↗ |
| DeepSeek V4.1 Flash | Open weights (unrestricted) | — | 2026-09-09 | Open weights (unrestricted) | Source ↗ |
| Mercury 2.5 | API access | — | 2026-09-08 | API access | Source ↗ |
| GPT-Image-2.5 Sunburst | API access | — | 2026-09-08 | API access | Source ↗ |
| GPT-Image-2.5 Flare | API access | — | 2026-09-08 | API access | Source ↗ |
| ChatGPT Images 2.5 | Hosted access (no API) | — | 2026-09-08 | Hosted access (no API) | Source ↗ |
| WeatherNext 3 | Hosted access (no API) | — | 2026-09-03 | Hosted access (no API) | Source ↗ |
| OpenEvidence Darwin | API access | — | 2026-09-03 | API access | Source ↗ |
| GPT-6 Astra | API access | — | 2026-09-03 | API access | — |
| Muse Spark 1.3 | API access | — | 2026-09-02 | API access | Source ↗ |
| Gemini 3.8 Flash | API access | — | 2026-09-02 | API access | Source ↗ |
Data: Epoch AI · CC BY · View source · Automatically synced; not an exhaustive global sample