# GPT-5.2-Codex vs Qwen3.6 Plus

> Side-by-side benchmark comparison for GPT-5.2-Codex and Qwen3.6 Plus across agentic, coding, multimodal, knowledge, reasoning, multilingual, and math tasks.

- Canonical page: https://benchlm.ai/compare/gpt-5-2-codex-vs-qwen3-6-plus
- Last updated: October 17, 2026

- Shared sourced benchmarks: 4
- HTML indexing: indexable
- Ranking lane: BenchAlign v5.8

## Quick Verdict

GPT-5.2-Codex leads by point estimate. Conditional score ranges do not establish rank confidence. Choose using the category evidence and your own workload tests.

## Summary

- GPT-5.2-Codex has the higher overall point estimate 55.3 to 53.78. Conditional score ranges do not establish rank confidence.
- The clearest category separation is in instruction following, where the averages are 93.8 for GPT-5.2-Codex and 85.8 for Qwen3.6 Plus.
- The biggest single benchmark swing is Vibe Code Bench in Coding, with scores of 37.91% and 25.56%.
- Qwen3.6 Plus is the cheaper option on output tokens, which matters if you expect large responses or heavy interactive use.
- Qwen3.6 Plus also has the larger context window at 1M.

## Model Snapshot

| Property | GPT-5.2-Codex | Qwen3.6 Plus |
|----------|----------|----------|
| Creator | OpenAI | Alibaba |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 400K | 1M |
| Overall Score | 55.3 | 53.78 |
| Benchmarks Covered | 5 | 49 |
| Pricing (input/output) | $1.75 / $14.00 | Pricing unavailable / Pricing unavailable |

## Category Breakdown

### Agentic

- Winner: Directional only
- GPT-5.2-Codex public-lane score: 40.8 (Estimated · #64/128)
- Qwen3.6 Plus public-lane score: 34.4 (Supported · #83/128)

| Benchmark | GPT-5.2-Codex | Qwen3.6 Plus | Winner |
|-----------|-----------|-----------|--------|
| Gert Labs | 51.79% | 50.60% | GPT-5.2-Codex |
| JobBench | 26.0% | Coming soon | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 61.6% | Coming soon |
| Claw-Eval | Coming soon | 58.8% | Coming soon |
| QwenClawBench | Coming soon | 57.2% | Coming soon |
| τ³-bench results | Coming soon | 70.7% | Coming soon |
| VITA-Bench | Coming soon | 44.3% | Coming soon |
| DeepPlanning | Coming soon | 41.5% | Coming soon |
| Toolathlon | Coming soon | 39.8% | Coming soon |
| MCP Atlas | Coming soon | 48.2% | Coming soon |
| MCP-Tasks | Coming soon | 74.1% | Coming soon |
| WideResearch | Coming soon | 74.3% | Coming soon |
| ResearchClawBench | Coming soon | 18.0% | Coming soon |
| Terminal-Bench 2.1 (Vals) | Coming soon | 53.2% | Coming soon |

### Coding

- Winner: GPT-5.2-Codex
- GPT-5.2-Codex public-lane score: 43.7 (Supported · #56/150)
- Qwen3.6 Plus public-lane score: 40 (Supported · #66/150)

| Benchmark | GPT-5.2-Codex | Qwen3.6 Plus | Winner |
|-----------|-----------|-----------|--------|
| Vibe Code Bench | 37.91% | 25.56% | GPT-5.2-Codex |
| LiveCodeBench (Vals) | 88.0% | 86.0% | GPT-5.2-Codex |
| SWE-bench (Vals) | 72.4% | 73.4% | Qwen3.6 Plus |
| SWE-bench Verified | Coming soon | 78.8% | Coming soon |
| SWE-bench Pro | Coming soon | 56.6% | Coming soon |
| SWE Multilingual | Coming soon | 73.8% | Coming soon |
| LiveCodeBench v6 | Coming soon | 87.1% | Coming soon |
| NL2Repo | Coming soon | 37.9% | Coming soon |
| Terminal-Bench 2.0 | Coming soon | 61.6% | Coming soon |

### Reasoning

- Winner: Not comparable
- GPT-5.2-Codex public-lane score: 82.4 (Unranked · 2 rankable rows)
- Qwen3.6 Plus public-lane score: 74.7 (Unranked · 4 rankable rows)

| Benchmark | GPT-5.2-Codex | Qwen3.6 Plus | Winner |
|-----------|-----------|-----------|--------|
| AI-Needle | Coming soon | 68.3% | Coming soon |
| LongBench v2 | Coming soon | 62% | Coming soon |

### Multimodal & Grounded

- Winner: Not comparable
- GPT-5.2-Codex public-lane score: 76.9 (Unranked · 1 rankable row)
- Qwen3.6 Plus public-lane score: 76.1 (#21/54)

| Benchmark | GPT-5.2-Codex | Qwen3.6 Plus | Winner |
|-----------|-----------|-----------|--------|
| MMMU | Coming soon | 86.0% | Coming soon |
| MMMU-Pro | Coming soon | 78.8% | Coming soon |
| MathVision | Coming soon | 88.0% | Coming soon |
| VideoMMMU | Coming soon | 84.0% | Coming soon |
| ScreenSpot Pro | Coming soon | 68.2% | Coming soon |
| CharXiv | Coming soon | 81.5% | Coming soon |
| V* | Coming soon | 96.9% | Coming soon |

### Knowledge

- Winner: Directional only
- GPT-5.2-Codex public-lane score: 56.4 (Estimated · #54/184)
- Qwen3.6 Plus public-lane score: 53.4 (Supported · #66/184)

| Benchmark | GPT-5.2-Codex | Qwen3.6 Plus | Winner |
|-----------|-----------|-----------|--------|
| GPQA | Coming soon | 90.4% | Coming soon |
| SuperGPQA | Coming soon | 71.6% | Coming soon |
| MMLU-Pro | Coming soon | 88.5% | Coming soon |
| MMLU-Redux | Coming soon | 94.5% | Coming soon |
| C-Eval | Coming soon | 93.3% | Coming soon |
| HLE | Coming soon | 28.8% | Coming soon |
| GPQA Diamond (Vals) | Coming soon | 87.4% | Coming soon |
| MMLU-Pro (Vals) | Coming soon | 87.7% | Coming soon |

### Multilingual

- Winner: Not comparable
- GPT-5.2-Codex public-lane score: Coming soon
- Qwen3.6 Plus public-lane score: 93.8 (#4/17)

| Benchmark | GPT-5.2-Codex | Qwen3.6 Plus | Winner |
|-----------|-----------|-----------|--------|
| MMLU-ProX | Coming soon | 84.7% | Coming soon |
| NOVA-63 | Coming soon | 57.9% | Coming soon |

### Instruction Following

- Winner: Directional only
- GPT-5.2-Codex public-lane score: 93.8 (#4/148)
- Qwen3.6 Plus public-lane score: 85.8 (#47/148)

| Benchmark | GPT-5.2-Codex | Qwen3.6 Plus | Winner |
|-----------|-----------|-----------|--------|
| IFEval | Coming soon | 94.3% | Coming soon |
| IFBench | Coming soon | 75.8% | Coming soon |

### Mathematics

- Winner: Not comparable
- GPT-5.2-Codex public-lane score: Coming soon
- Qwen3.6 Plus public-lane score: 69.5 (#6/12)

| Benchmark | GPT-5.2-Codex | Qwen3.6 Plus | Winner |
|-----------|-----------|-----------|--------|
| AIME26 | Coming soon | 95.3% | Coming soon |
| HMMT Feb 2025 | Coming soon | 96.7% | Coming soon |
| HMMT Nov 2025 | Coming soon | 94.6% | Coming soon |
| HMMT Feb 2026 | Coming soon | 87.8% | Coming soon |
| MMAnswerBench | Coming soon | 83.8% | Coming soon |
| FrontierMath v2 (Tiers 1-3) | Coming soon | 38.246% | Coming soon |

## FAQ

### Which is better overall, GPT-5.2-Codex or Qwen3.6 Plus?

GPT-5.2-Codex has the higher overall point estimate. Conditional score ranges do not establish rank confidence.

### Where is the biggest gap between GPT-5.2-Codex and Qwen3.6 Plus?

The widest category gap is in instruction following, where the averages are 93.8 for GPT-5.2-Codex and 85.8 for Qwen3.6 Plus.

### How many benchmarks does GPT-5.2-Codex cover on BenchLM?

GPT-5.2-Codex currently has 5 sourced benchmark scores on BenchLM.

### How many benchmarks does Qwen3.6 Plus cover on BenchLM?

Qwen3.6 Plus currently has 49 sourced benchmark scores on BenchLM.

## Related Comparisons

- [GPT-5.2-Codex vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-gpt-5-2-codex)
- [Qwen3.6 Plus vs Claude Opus 5.5](/compare/claude-opus-5-5-vs-qwen3-6-plus)
- [GPT-5.2-Codex vs GPT-6.1 Sol](/compare/gpt-5-2-codex-vs-gpt-6-1-sol)
- [Qwen3.6 Plus vs GPT-6.1 Sol](/compare/gpt-6-1-sol-vs-qwen3-6-plus)

## Explore More

- [GPT-5.2-Codex profile](/models/gpt-5-2-codex)
- [Qwen3.6 Plus profile](/models/qwen3-6-plus)
- [Compare Pricing](/llm-pricing)
- [Alternative Finder](/tools/alternative-finder)
- [LLM Selector](/tools/llm-selector)
- [Overall Rankings](/best/overall)