# LiveCodeBench Pass@1 with Chain-of-Thought (LiveCodeBench Pass@1-COT)

> This lane contains DeepSeek's LiveCodeBench Pass@1-COT results. The explicit metric and prompting label keeps them separate from generic and version-specific LiveCodeBench rows.

Canonical page: https://benchlm.ai/benchmarks/livecodebenchpass1cot

- Category: [Coding](/coding)
- Last updated: September 10, 2026

## About LiveCodeBench Pass@1-COT

- Year: 2026
- Tasks: DeepSeek-V4 report evaluation window
- Format: Pass@1-COT competitive programming results
- Difficulty: Competitive programming level
- Paper: [DeepSeek-V4 technical report](https://huggingface.co/deepseek-ai/DeepSeek-V4-Pro/resolve/main/DeepSeek_V4.pdf?download=true)

The source reports six reasoning-effort and model variants under a Pass@1-COT column. BenchLM preserves that published metric label and source family without treating the rows as a controlled comparison against generic LiveCodeBench results.

LiveCodeBench Pass@1-COT is currently displayed on BenchLM for reference, but it is excluded from the weighted scoring formula.

## Leaderboard (2 models)

| Rank | Model | Creator | Score |
|------|-------|---------|-------|
| 1 | [DeepSeek V4 Pro 0813](/models/deepseek-v4-pro-0813) | DeepSeek | 93.5% |
| 2 | [DeepSeek V4 Flash 0731](/models/deepseek-v4-flash-0731) | DeepSeek | 91.6% |

## FAQ

### What does LiveCodeBench Pass@1-COT measure?

This lane contains DeepSeek's LiveCodeBench Pass@1-COT results. The explicit metric and prompting label keeps them separate from generic and version-specific LiveCodeBench rows.

### Which model scores highest on LiveCodeBench Pass@1-COT?

DeepSeek V4 Pro 0813 by DeepSeek currently leads with a score of 93.5% on LiveCodeBench Pass@1-COT.

### How many models are evaluated on LiveCodeBench Pass@1-COT?

2 AI models have been evaluated on LiveCodeBench Pass@1-COT on BenchLM.

### Does LiveCodeBench Pass@1-COT affect BenchLM's overall score?

Not directly. LiveCodeBench Pass@1-COT is still displayed on BenchLM for reference, but it is excluded from the weighted scoring formula.

## Compare Top Models on LiveCodeBench Pass@1-COT

- [DeepSeek V4 Pro 0813 vs DeepSeek V4 Flash 0731](/compare/deepseek-v4-flash-0731-vs-deepseek-v4-pro-0813)