Model comparison
GPT-5-Codex vs Qwen3 Coder Next
GPT-5-Codex is the stronger model overall, scoring 37.9 to 34.3 on the Noometry Index. Qwen3 Coder Next costs 12× less per token, which makes it the better buy when GPT-5-Codex's lead doesn't matter for your workload.
Last verified . 1 shared benchmarks.
Alibaba (Qwen)Summary
- They share 1 benchmark with published results for both. GPT-5-Codex scores higher in 2 categories and Qwen3 Coder Next in 0 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where GPT-5-Codex leads 30.9 to 22.4.
- The biggest single-benchmark swing is WeirdML: 54.5% for GPT-5-Codex and 34.4% for Qwen3 Coder Next.
- Qwen3 Coder Next is cheaper at $0.12 / $0.80 per million input/output tokens, against $1.25 / $10 for GPT-5-Codex.
- GPT-5-Codex accepts more context: 400K tokens versus 262K.
- Qwen3 Coder Next has downloadable open weights; the other is API-only.
Side by side
| GPT-5-Codex | Qwen3 Coder Next | |
|---|---|---|
| Provider | OpenAI | Alibaba (Qwen) |
| Noometry Index | 37.9 | 34.3 |
| Released | 2025-09-15 | 2026-02-02 |
| Weights | Proprietary | Open |
| Context window | 400K | 262K |
| Max output | 128K | 66K |
| Input $ / M tokens | $1.25 | $0.12 |
| Output $ / M tokens | $10 | $0.80 |
| Results tracked | 3 | 3 |
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Category by category
Coding GPT-5-Codex leads
GPT-5-Codex: 42.4 (#103), Qwen3 Coder Next: 36.3 (#210)
Agentic & Tool Use Not comparable
GPT-5-Codex: 31.0 (#72), Qwen3 Coder Next: —
| Benchmark | GPT-5-Codex | Qwen3 Coder Next |
|---|---|---|
| Terminal-Bench | 44.3% | — |
Reasoning GPT-5-Codex leads
GPT-5-Codex: 30.9 (#83), Qwen3 Coder Next: 22.4 (#196)
| Benchmark | GPT-5-Codex | Qwen3 Coder Next |
|---|---|---|
| Kagi LLM Benchmark | 70.3% | — |
| CritPt | — | 0% |
Frequently asked questions
Is GPT-5-Codex better than Qwen3 Coder Next?
GPT-5-Codex is the stronger model overall, scoring 37.9 to 34.3 on the Noometry Index. Qwen3 Coder Next costs 12× less per token, which makes it the better buy when GPT-5-Codex's lead doesn't matter for your workload.
Which is cheaper, GPT-5-Codex or Qwen3 Coder Next?
Qwen3 Coder Next is cheaper. It lists at $0.12 per million input tokens and $0.80 per million output tokens; GPT-5-Codex lists at $1.25 and $10.
Is GPT-5-Codex or Qwen3 Coder Next better for coding?
GPT-5-Codex scores higher on coding benchmarks: 42.4 versus 36.3 in the Noometry coding category.
Which has the bigger context window?
GPT-5-Codex does, with 400K tokens against 262K.
How many benchmarks do GPT-5-Codex and Qwen3 Coder Next share?
1 benchmark has published results for both models. GPT-5-Codex has 3 scored results on Noometry and Qwen3 Coder Next has 3.