KAT-Coder-Pro V1 is KwaiKAT's most advanced agentic coding model in the KAT-Coder series. Designed specifically for agentic coding tasks, it excels in real-world software engineering scenarios, achieving 73.4% solve rate on the SWE-Bench Ve…
Model details →Kwaipilot: KAT-Coder-Pro V1 vs OpenAI: GPT-5.1-Codex-Mini
OpenAI: GPT-5.1-Codex-Mini wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
GPT-5.1-Codex-Mini is a smaller and faster version of GPT-5.1-Codex
Model details →Side-by-side comparison
| Capability | Kwaipilot: KAT-Coder-Pro V1 | OpenAI: GPT-5.1-Codex-Mini | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 256K | 400K | 🏆 OpenAI: GPT-5.1-Codex-Mini |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.21 | $0.25 | 🏆 Kwaipilot: KAT-Coder-Pro V1 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $0.83 | $2.00 | 🏆 Kwaipilot: KAT-Coder-Pro V1 |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | — | Yes | 🏆 OpenAI: GPT-5.1-Codex-Mini |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | — | Yes | 🏆 OpenAI: GPT-5.1-Codex-Mini |
Frequently asked questions
Is Kwaipilot: KAT-Coder-Pro V1 better than OpenAI: GPT-5.1-Codex-Mini?
OpenAI: GPT-5.1-Codex-Mini wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between Kwaipilot: KAT-Coder-Pro V1 and OpenAI: GPT-5.1-Codex-Mini?
Input: $0.21 vs $0.25 per 1M tokens. Output: $0.83 vs $2.00 per 1M tokens.
What context windows do Kwaipilot: KAT-Coder-Pro V1 and OpenAI: GPT-5.1-Codex-Mini support?
Kwaipilot: KAT-Coder-Pro V1 supports up to 256K tokens. OpenAI: GPT-5.1-Codex-Mini supports up to 400K tokens.
Do both Kwaipilot: KAT-Coder-Pro V1 and OpenAI: GPT-5.1-Codex-Mini support tool calling?
Kwaipilot: KAT-Coder-Pro V1: yes. OpenAI: GPT-5.1-Codex-Mini: yes.