Skywork (Tiangong)
Overview
Kunlun's Tiangong LLM series, branded Skywork in English, began with the open-source Skywork-13B and grew into the Tiangong 2.0/3.0/4.0 product line plus open reasoning lines such as Skywork-OR1 and Skywork R1V.
Field checks and source notes
When sources disagree on a field, every reading is listed here with its own citation. We do not take a midpoint, invent a missing figure, or decide which side is right — follow the citation and judge for your case.
These field-level notes are recorded verbatim in Chinese in the source data. Open the Chinese version
Plain-language benchmarks
Practical facts
| Context length | Not disclosed |
|---|---|
| Max output | Not disclosed |
| Parameters | Not disclosed |
| Input | Not disclosed |
| Output price | Not disclosed |
| CNY | Not disclosed |
| Free tier | Skywork 4.0 o1 and 4o are generally available on the Skywork web app and mobile app and free to use (2025-01-06); no public pay-as-you-go API pricing was found. |
| Output speed | Not disclosed |
| Release date | Not disclosed |
| License | Not disclosed |
Show technical data
Technical benchmark table
| Benchmark | Score | Max / unit | Source type | Source | Test date | Conditions |
|---|---|---|---|---|---|---|
| AIME aime · 2024 | 82.2% | percent / 100 | Vendor-reported | — | ||
| LiveCodeBench livecodebench | 63% | percent / 100 | Vendor-reported | 2024-08 - 2025-02 |
| Version | Release date | Status | Openness | Parameters | What changed | Detail | |
|---|---|---|---|---|---|---|---|
| Skywork-R1V3 | Active | Open source | Not disclosed | TBD | Detail | ||
| Skywork-OR1Showing version | Active | Open weights | Not disclosed | TBD | Detail | ||
| Skywork R1V | Active | Open source | Not disclosed | TBD | Detail | ||
| Skywork o1 Open | Active | Open weights | Not disclosed | TBD | Detail | ||
| 天工 3.0 (Skywork 3.0) | Active | Closed source | Not disclosed | TBD | Detail | ||
| Skywork-13B | Active | Open source | Not disclosed | TBD | Detail |
Last updated: · Sources on detail page