GPT-5.1-Codex-Max vs MoonshotAI Kimi Latest
How do these models stack up? Below is an expert side-by-side comparison of specifications, context window capacity, live pricing per million tokens, and standardized benchmark scores for GPT-5.1-Codex-Max and MoonshotAI Kimi Latest.
GPT-5.1-Codex-Max
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...
MoonshotAI Kimi Latest
This model always redirects to the latest model in the MoonshotAI Kimi family.
Technical Specifications
| Specification | GPT-5.1-Codex-Max | MoonshotAI Kimi Latest |
|---|---|---|
| Provider | OpenAI | Moonshot AI |
| Context Window | 400,000 tokens | 262,144 tokens |
| Agent Suitability | N/A | N/A |
| Time to First Token (TTFT) | N/A | N/A |
| Deployment Model | managed api | managed api |
| Production Stability | stable | stable |
| API Available | Yes | Yes |
| Released Date | 2025-12-04 | 2026-04-27 |
API Pricing Comparison
Input Price per Million Tokens
GPT-5.1-Codex-Max
$1.25
MoonshotAI Kimi Latest
$0.66
Output Price per Million Tokens
GPT-5.1-Codex-Max
$10.00
MoonshotAI Kimi Latest
$3.41
Want to test both models live?
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Benchmark Performance Metrics
Scores show the raw performance percentages verified across key evaluation suites. Higher bars indicate superior accuracy and capability in that domain.
GPT-5.1-Codex-Max Quirks & Gotchas
No developer gotchas reported.
MoonshotAI Kimi Latest Quirks & Gotchas
No developer gotchas reported.