# GPT-5.2-Codex vs Qwen3 Max

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

- Canonical page: https://benchlm.ai/compare/gpt-5-2-codex-vs-qwen3-max
- Last updated: September 4, 2026

- Shared sourced benchmarks: 2
- HTML indexing: indexable
- Ranking lane: BenchAlign v5

## Quick Verdict

Evidence is too thin for a benchmark verdict: GPT-5.2-Codex and Qwen3 Max share only 2 sourced benchmark rows.

## Summary

- Only 2 shared sourced benchmark rows are available. That is not enough for a broad capability verdict, so this mirror does not name an overall winner.
- Qwen3 Max has the larger published context window at 1M.

## Model Snapshot

| Property | GPT-5.2-Codex | Qwen3 Max |
|----------|----------|----------|
| Creator | OpenAI | Alibaba |
| Type | Proprietary | Proprietary |
| Reasoning | Reasoning | Reasoning |
| Context | 400K | 1M |
| Independent public score (not head-to-head) | 56.38 | 43.82 |
| Benchmarks Covered | 3 | 2 |
| Pricing (input/output) | $1.75 / $14.00 | N/A |

## Category Breakdown

### Agentic

- Winner: Insufficient shared evidence
- GPT-5.2-Codex public-lane score: 52.4 (Estimated · #46/151)
- Qwen3 Max public-lane score: Coming soon

| Benchmark | GPT-5.2-Codex | Qwen3 Max | Winner |
|-----------|-----------|-----------|--------|
| Gert Labs | 51.79% | 43.74% | GPT-5.2-Codex |
| JobBench | 26.0% | Coming soon | Coming soon |

### Coding

- Winner: Insufficient shared evidence
- GPT-5.2-Codex public-lane score: 52.5 (Supported · #54/183)
- Qwen3 Max public-lane score: 45.4 (Estimated · #107/183)

| Benchmark | GPT-5.2-Codex | Qwen3 Max | Winner |
|-----------|-----------|-----------|--------|
| Vibe Code Bench | 37.91% | 3.51% | GPT-5.2-Codex |

### Multimodal & Grounded

- Winner: Insufficient shared evidence
- GPT-5.2-Codex public-lane score: 72.4 (Unranked · 1 rankable row)
- Qwen3 Max public-lane score: Coming soon

### Reasoning

- Winner: Insufficient shared evidence
- GPT-5.2-Codex public-lane score: 78 (Unranked · 2 rankable rows)
- Qwen3 Max public-lane score: 55.7 (Unranked · 2 rankable rows)

### Knowledge

- Winner: Insufficient shared evidence
- GPT-5.2-Codex public-lane score: 57.8 (Estimated · #46/181)
- Qwen3 Max public-lane score: 43.8 (Estimated · #123/181)

### Instruction Following

- Winner: Insufficient shared evidence
- GPT-5.2-Codex public-lane score: 93.5 (#3/120)
- Qwen3 Max public-lane score: 51.7 (#78/120)

## FAQ

### Is there enough evidence to pick between GPT-5.2-Codex and Qwen3 Max?

Not yet. The models share only 2 sourced benchmark rows, so this mirror reports the available measurements and metadata without naming a broad winner.

### What can I compare safely on this page?

Published pricing, context windows, model type, and individual shared benchmark rows are directly comparable. Independent overall scores and non-overlapping benchmark coverage are labeled separately and should not be read as a controlled head-to-head result.

## Related Comparisons

- [GPT-5.2-Codex vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-gpt-5-2-codex)
- [Qwen3 Max vs Claude Fable 5.1](/compare/claude-fable-5-1-vs-qwen3-max)
- [GPT-5.2-Codex vs GPT-6 Astra](/compare/gpt-5-2-codex-vs-gpt-6-astra)
- [Qwen3 Max vs GPT-6 Astra](/compare/gpt-6-astra-vs-qwen3-max)

## Explore More

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