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 3/33 · Observed 9/25/2026, 3:30:45 AM
| Name | Group | Reported value | Date | Notes | Source |
|---|---|---|---|---|---|
| Claude Opus 4.7 | API access | — | 2026-04-16 | API access | Source ↗ |
| Gemini Flash 3.1 TTS | API access | — | 2026-04-15 | API access | Source ↗ |
| GPT-5.4-Cyber | Limited access | — | 2026-04-14 | Limited access | Source ↗ |
| EXAONE 4.5 | Open weights (restricted use) | — | 2026-04-09 | Open weights (restricted use) | — |
| Muse Spark | API access | — | 2026-04-08 | API access | Source ↗ |
| GLM-5.1 | Open weights (unrestricted) | — | 2026-04-07 | Open weights (unrestricted) | Source ↗ |
| Claude Mythos Preview | Limited access | — | 2026-04-07 | Limited access | Source ↗ |
| MolmoAct 2 | Open weights (unrestricted) | — | 2026-04-05 | Open weights (unrestricted) | Source ↗ |
| Qwen 3.6 Plus | API access | — | 2026-04-01 | API access | Source ↗ |
| Qwen3.5-Omni-Plus | API access | — | 2026-03-29 | API access | Source ↗ |
| Qwen3.5-Omni-Flash | API access | — | 2026-03-29 | API access | Source ↗ |
| Composer 2 | API access | — | 2026-03-19 | API access | Source ↗ |
| MiMo-V2-Pro | API access | — | 2026-03-18 | API access | Source ↗ |
| Nemotron 3 Super | Open weights (unrestricted) | — | 2026-03-11 | Open weights (unrestricted) | Source ↗ |
| GPT-5.4 Pro | API access | — | 2026-03-05 | API access | Source ↗ |
| GPT-5.4 | API access | — | 2026-03-05 | API access | Source ↗ |
| Gemini 3.0 Flash-lite | API access | — | 2026-03-03 | API access | Source ↗ |
| SWE 1.6 | Hosted access (no API) | — | 2026-03-01 | Hosted access (no API) | Source ↗ |
| Qwen3.5-122B-A10B | Open weights (restricted use) | — | 2026-02-24 | Open weights (restricted use) | Source ↗ |
| Grok 4.20 | API access | — | 2026-02-17 | API access | Source ↗ |
| Qwen3.5 397B-A17B | Open weights (unrestricted) | — | 2026-02-15 | Open weights (unrestricted) | Source ↗ |
| Seedance 2.0 | Hosted access (no API) | — | 2026-02-12 | Hosted access (no API) | Source ↗ |
| GPT-5.3-Codex-Spark | Hosted access (no API) | — | 2026-02-12 | Hosted access (no API) | Source ↗ |
| GLM-5 | Open weights (unrestricted) | — | 2026-02-12 | Open weights (unrestricted) | Source ↗ |
| GPT-5.3 Codex | API access | — | 2026-02-05 | API access | Source ↗ |
Data: Epoch AI · CC BY · View source · Automatically synced; not an exhaustive global sample