MoonshotAI: Kimi K2.7 Code is a coding-focused model in Moonshot AI's Kimi K2 family, built to complete end-to-end programming tasks reliably over long contexts. It uses a native multimodal mixture-of-experts...
Model details →MoonshotAI: Kimi K2.7 Code vs OpenAI: GPT-5.1-Codex-Max
MoonshotAI: Kimi K2.7 Code wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
GPT-5.1-Codex-Max is OpenAI’s latest agentic coding model, designed for long-running, high-context software development tasks. It is based on an updated version of the 5.1 reasoning stack and trained on agentic...
Model details →Side-by-side comparison
| Capability | MoonshotAI: Kimi K2.7 Code | OpenAI: GPT-5.1-Codex-Max | Winner |
|---|---|---|---|
| Context window Maximum number of input tokens the model can attend to in a single request. | 262K | 400K | 🏆 OpenAI: GPT-5.1-Codex-Max |
| Input price (per 1M) Cost per million input tokens billed by the provider. | $0.70 | $1.25 | 🏆 MoonshotAI: Kimi K2.7 Code |
| Output price (per 1M) Cost per million output tokens billed by the provider. | $3.50 | $10.00 | 🏆 MoonshotAI: Kimi K2.7 Code |
| Tool / function calling First-class support for emitting structured tool calls. | Yes | Yes | Tie |
| Vision input Accepts image inputs alongside text. | Yes | Yes | Tie |
| Reasoning mode Internal chain-of-thought / extended-thinking support. | Yes | Yes | Tie |
Frequently asked questions
Is MoonshotAI: Kimi K2.7 Code better than OpenAI: GPT-5.1-Codex-Max?
MoonshotAI: Kimi K2.7 Code wins on 2 of 6 axes — pricing and capability skew in its favour for most workloads.
What's the price difference between MoonshotAI: Kimi K2.7 Code and OpenAI: GPT-5.1-Codex-Max?
Input: $0.70 vs $1.25 per 1M tokens. Output: $3.50 vs $10.00 per 1M tokens.
What context windows do MoonshotAI: Kimi K2.7 Code and OpenAI: GPT-5.1-Codex-Max support?
MoonshotAI: Kimi K2.7 Code supports up to 262K tokens. OpenAI: GPT-5.1-Codex-Max supports up to 400K tokens.
Do both MoonshotAI: Kimi K2.7 Code and OpenAI: GPT-5.1-Codex-Max support tool calling?
MoonshotAI: Kimi K2.7 Code: yes. OpenAI: GPT-5.1-Codex-Max: yes.
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