Model comparison
GPT-5.1-Codex vs Qwen3 32B
GPT-5.1-Codex and Qwen3 32B score almost the same on the Noometry Index (38.6 vs 39.2), so choose on price, context window or the category you care about most.
Last verified . 0 shared benchmarks.
Alibaba (Qwen)Summary
- The widest gap is in math, where Qwen3 32B leads 39.7 to 30.3.
- Qwen3 32B is cheaper at $0.70 / $2.80 per million input/output tokens, against $1.25 / $10 for GPT-5.1-Codex.
- GPT-5.1-Codex accepts more context: 400K tokens versus 131K.
- Qwen3 32B has downloadable open weights; the other is API-only.
Side by side
| GPT-5.1-Codex | Qwen3 32B | |
|---|---|---|
| Provider | OpenAI | Alibaba (Qwen) |
| Noometry Index | 38.6 | 39.2 |
| Released | 2025-11-12 | 2025-04 |
| Weights | Proprietary | Open |
| Context window | 400K | 131K |
| Max output | 128K | 16K |
| Input $ / M tokens | $1.25 | $0.70 |
| Output $ / M tokens | $10 | $2.80 |
| Results tracked | 6 | 26 |
Sponsored placements are available on pages like this one. Advertise on Noometry
Category by category
Coding GPT-5.1-Codex leads
GPT-5.1-Codex: 41.9 (#116), Qwen3 32B: 37.7 (#190)
| Benchmark | GPT-5.1-Codex | Qwen3 32B |
|---|---|---|
| SWE-bench Verified (bash only) | 66% | — |
| Aider Polyglot | — | 40% |
| LMArena WebDev | 1337 | — |
| SciCode | — | 35.4% |
| LMArena Coding | — | 1358 |
| ALE-Bench | 1,245 | — |
Agentic & Tool Use GPT-5.1-Codex leads
GPT-5.1-Codex: 38.0 (#33), Qwen3 32B: 32.6 (#62)
| Benchmark | GPT-5.1-Codex | Qwen3 32B |
|---|---|---|
| Terminal-Bench | 60.4% | — |
| Berkeley Function Calling Leaderboard | — | 48.7% |
| METR Time Horizons | 70.8% | — |
Reasoning Not comparable
GPT-5.1-Codex: —, Qwen3 32B: 20.2 (#241)
| Benchmark | GPT-5.1-Codex | Qwen3 32B |
|---|---|---|
| Kagi LLM Benchmark | — | 54.9% |
| CritPt | — | 0.3% |
| Chess Puzzles | — | 5% |
| LMArena Hard Prompts | — | 1334 |
| DTBench | — | 67.5% |
| LMCA | — | 17.3% |
| Epoch Capabilities Index | — | 138.51 |
Math Qwen3 32B leads
GPT-5.1-Codex: 30.3 (#235), Qwen3 32B: 39.7 (#99)
| Benchmark | GPT-5.1-Codex | Qwen3 32B |
|---|---|---|
| OTIS Mock AIME 2024-2025 | — | 66.9% |
| ProofBench | 9% | — |
| LMArena Math | — | 1399 |
Knowledge Not comparable
GPT-5.1-Codex: —, Qwen3 32B: 40.0 (#125)
| Benchmark | GPT-5.1-Codex | Qwen3 32B |
|---|---|---|
| GPQA Diamond | — | 65.7% |
| Vectara Hallucination Rate | — | 5.9% |
| LMArena Expert | — | 1362 |
Multilingual Not comparable
GPT-5.1-Codex: —, Qwen3 32B: 45.6 (#167)
| Benchmark | GPT-5.1-Codex | Qwen3 32B |
|---|---|---|
| LMArena Non-English | — | 1317 |
| LMArena Chinese | — | 1357 |
| LMArena German | — | 1341 |
| LMArena Russian | — | 1311 |
Instruction Following Not comparable
GPT-5.1-Codex: —, Qwen3 32B: 68.9 (#179)
| Benchmark | GPT-5.1-Codex | Qwen3 32B |
|---|---|---|
| LMArena Instruction Following | — | 1305 |
Long Context Not comparable
GPT-5.1-Codex: —, Qwen3 32B: 43.8 (#87)
| Benchmark | GPT-5.1-Codex | Qwen3 32B |
|---|---|---|
| Fiction.LiveBench | — | 74.2% |
| LMArena Longer Query | — | 1327 |
Writing & Preference Not comparable
GPT-5.1-Codex: —, Qwen3 32B: 52.9 (#163)
| Benchmark | GPT-5.1-Codex | Qwen3 32B |
|---|---|---|
| LMArena Text | — | 1340 |
| LMArena Creative Writing | — | 1297 |
| LMArena Multi-Turn | — | 1331 |
Frequently asked questions
Is GPT-5.1-Codex better than Qwen3 32B?
GPT-5.1-Codex and Qwen3 32B score almost the same on the Noometry Index (38.6 vs 39.2), so choose on price, context window or the category you care about most.
Which is cheaper, GPT-5.1-Codex or Qwen3 32B?
Qwen3 32B is cheaper. It lists at $0.70 per million input tokens and $2.80 per million output tokens; GPT-5.1-Codex lists at $1.25 and $10.
Is GPT-5.1-Codex or Qwen3 32B better for coding?
GPT-5.1-Codex scores higher on coding benchmarks: 41.9 versus 37.7 in the Noometry coding category.
Which has the bigger context window?
GPT-5.1-Codex does, with 400K tokens against 131K.
How many benchmarks do GPT-5.1-Codex and Qwen3 32B share?
0 benchmarks have published results for both models. GPT-5.1-Codex has 6 scored results on Noometry and Qwen3 32B has 26.