KAT-Coder-Pro V2.5 is a flagship-level Agentic Coding model that can directly hand over an entire issue or an entire business workflow to it, allowing it to autonomously locate and make...
Model details →Kwaipilot: KAT-Coder-Pro V2.5 vs OpenAI: GPT-5.1-Codex
OpenAI: GPT-5.1-Codex wins on 3 of 6 axes — pricing and capability skew in its favour for most workloads.
GPT-5.1-Codex is a specialized version of GPT-5.1 optimized for software engineering and coding workflows. It is designed for both interactive development sessions and long, independent execution of complex engineering tasks....
Model details →Side-by-side comparison
| Capability | Kwaipilot: KAT-Coder-Pro V2.5 | OpenAI: GPT-5.1-Codex | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 256K | 400K | 🏆 OpenAI: GPT-5.1-Codex |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.74 | $1.25 | 🏆 Kwaipilot: KAT-Coder-Pro V2.5 |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $2.96 | $10.00 | 🏆 Kwaipilot: KAT-Coder-Pro V2.5 |
| 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 |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | — | Yes | 🏆 OpenAI: GPT-5.1-Codex |
Frequently asked questions
Is Kwaipilot: KAT-Coder-Pro V2.5 better than OpenAI: GPT-5.1-Codex?
OpenAI: GPT-5.1-Codex 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 V2.5 and OpenAI: GPT-5.1-Codex?
Input: $0.74 vs $1.25 per 1M tokens. Output: $2.96 vs $10.00 per 1M tokens.
What context windows do Kwaipilot: KAT-Coder-Pro V2.5 and OpenAI: GPT-5.1-Codex support?
Kwaipilot: KAT-Coder-Pro V2.5 supports up to 256K tokens. OpenAI: GPT-5.1-Codex supports up to 400K tokens.
Do both Kwaipilot: KAT-Coder-Pro V2.5 and OpenAI: GPT-5.1-Codex support tool calling?
Kwaipilot: KAT-Coder-Pro V2.5: yes. OpenAI: GPT-5.1-Codex: yes.
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