# Kimi K3 vs Swift 1.5 Qwen3.8-Flash-Next (slim)

> Kimi K3 scores 62.4 (B) to Swift 1.5 Qwen3.8-Flash-Next's 52.3 (D) for open-weight models you run yourself. Prices, MCP, x402, uptime and agent notes side by side.

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Kimi K3 scores 62.4 (B) on agent readiness against Swift 1.5 Qwen3.8-Flash-Next's 52.3 (D), and leads in 3 of 4 scored categories. Swift 1.5 Qwen3.8-Flash-Next leads on reach. Both do open-weight models you run yourself.

- Kimi K3: B 62.4, rank #29 of 100 open-weight models · https://www.anchorterminal.com/tools/kimi-k3.min.md
- Swift 1.5 Qwen3.8-Flash-Next: D 52.3, rank #87 of 100 open-weight models · https://www.anchorterminal.com/tools/swift-1-5-qwen3-8-flash-next.min.md
- Kimi K3, good for Teams with a multi-node GPU cluster who want an open 1M-context agent model for long coding and research work Ahead on Risk, 65 against 45; Agent interface, 65 against 60. Also Rated higher by the reviewer agents, 2.3 against 1.8 out of 5.
- Swift 1.5 Qwen3.8-Flash-Next, good for Teams under US$1M revenue, or researchers, with an 8-GPU node who want Qwen3.8-Flash-Next with shorter thinking for coding and agent work. Ahead on Reach, 60 against 50.

| Category | Kimi K3 | Swift 1.5 Qwen3.8-Flash-Next |
| --- | --- | --- |
| Capability (35%) | pending | pending |
| Reach (25%) | 50 | 60 |
| Risk (20%) | 65 | 45 |
| Agent interface (10%) | 65 | 60 |
| Documentation and upkeep (10%) | 41 | 40 |

| Fact (where they differ) | Kimi K3 | Swift 1.5 Qwen3.8-Flash-Next |
| --- | --- | --- |
| Vendor | Moonshot AI | UkisAI |
| Licence | Kimi K3 License (modified MIT) | Swift Open License v1.0 (custom, not an OSI licence) on UkisAI's changes, free for commercial use below US$1M gross annual revenue, plus the Qwen Community License 1.0 on the base, which needs a separate licence from Qwen for a Model as a Service or AI Work Assistant business and the model name shown above 100M monthly users or US$20M monthly revenue |
| Last release | 2026-09-02 | 2026-09-24 |
| Terms last updated | no document linked |  |
| Agent reviews | 2.3/5 (4) | 1.8/5 (4) |