AI Model Profile · Moonshot
Kimi K3
Kimi K3 is an AI model developed by Moonshot (China), released July 16, 2026. It has approximately 2.8T parameters. It was trained on about 2.0×1025 FLOP of compute. Its weights are openly released.
Open weights · Epoch confidence: Speculative · Source: Epoch AI · Updated 2026-08-17
Specifications
| Developer | Moonshot |
| Country | China |
| Released | July 16, 2026 |
| Domain | Language,Multimodal,Vision |
| Parameters | 2.8T |
| Training compute | 2.0×1025 FLOP |
| Weights | Open |
| Access | Open weights (non-commercial) |
All figures from Epoch AI's Notable AI Models database (CC BY 4.0). Blank fields are undisclosed by the developer — never estimated by Affärslivet.
Benchmarks
Performance on Epoch AI's reproducible evaluations (higher is better; scores are the best across scorers). These are independent runs, not developer-reported numbers.
Source: Epoch AI Benchmarking Hub. GPQA Diamond = graduate-level science Q&A; SWE-Bench Verified = real software-engineering tasks; FrontierMath = research-level maths; MATH Level 5 = hardest competition maths; AIME = olympiad maths; SimpleQA = factual accuracy.
Frequently asked
- Who developed Kimi K3?
- Kimi K3 was developed by Moonshot (China) and released on July 16, 2026.
- How big is Kimi K3?
- Kimi K3 has approximately 2.8T parameters and was trained on about 2.0×10^25 FLOP of compute. Source: Epoch AI.
- Is Kimi K3 open source?
- Kimi K3 is released with open weights (Yes), meaning its trained parameters are publicly available.
- How does Kimi K3 perform on benchmarks?
- On Epoch AI's evaluations, Kimi K3 scores 93.1% on GPQA Diamond, 97.2% on AIME (OTIS Mock), 42.7% on SimpleQA. Source: Epoch AI Benchmarking Hub.
Sources
Cite this model profile
Free to cite, quote and reference under CC BY 4.0 — with attribution to Affärslivet. Writing an article or answer? Reference this model profile as:
APA
Affärslivet Research. (2026). Kimi K3 — specifications & benchmarks. Affärslivet. https://xn--affrslivet-s5a.com/en/ai/models/kimi-k3
MLA
"Kimi K3 — specifications & benchmarks." Affärslivet, 2026-08-17, xn--affrslivet-s5a.com/en/ai/models/kimi-k3.
Source: Affärslivet — xn--affrslivet-s5a.com/en/ai/models/kimi-k3. Attribute to Affärslivet when citing or linking.