Model comparison
gpt-oss-20b vs Hunyuan Large Vision
Hunyuan Large Vision is the stronger model overall, scoring 37.0 to 32.1 on the Noometry Index.
Last verified . 12 shared benchmarks.
TencentSummary
- They share 12 benchmarks with published results for both. gpt-oss-20b scores higher in 3 categories and Hunyuan Large Vision in 5 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Hunyuan Large Vision leads 46.7 to 35.8.
- gpt-oss-20b has downloadable open weights; the other is API-only.
Side by side
| gpt-oss-20b | Hunyuan Large Vision | |
|---|---|---|
| Provider | OpenAI | Tencent |
| Noometry Index | 32.1 | 37.0 |
| Released | 2025-08-05 | — |
| Weights | Open | Proprietary |
| Context window | 131K | — |
| Max output | 16K | — |
| Input $ / M tokens | $0.018 | — |
| Output $ / M tokens | $0.09 | — |
| Results tracked | 34 | 13 |
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Category by category
Coding Too close to call
gpt-oss-20b: 37.1 (#185), Hunyuan Large Vision: 37.6 (#176)
| Benchmark | gpt-oss-20b | Hunyuan Large Vision |
|---|---|---|
| LMArena Coding | 1307 | 1307 |
| SciCode | 34.4% | — |
| WeirdML | 40.9% | — |
| ALE-Bench | 566.05 | — |
Agentic & Tool Use Not comparable
gpt-oss-20b: 9.2 (#146), Hunyuan Large Vision: —
| Benchmark | gpt-oss-20b | Hunyuan Large Vision |
|---|---|---|
| Terminal-Bench | 3.4% | — |
Reasoning Hunyuan Large Vision leads
gpt-oss-20b: 18.8 (#251), Hunyuan Large Vision: 23.8 (#160)
| Benchmark | gpt-oss-20b | Hunyuan Large Vision |
|---|---|---|
| LMArena Hard Prompts | 1274 | 1257 |
| Kagi LLM Benchmark | 53.2% | — |
| CritPt | 1.4% | — |
| Chess Puzzles | 4% | — |
| DTBench | 68% | — |
| LMCA | 14.5% | — |
| Epoch Capabilities Index | 137.81 | — |
Math gpt-oss-20b leads
gpt-oss-20b: 37.6 (#93), Hunyuan Large Vision: 32.8 (#184)
| Benchmark | gpt-oss-20b | Hunyuan Large Vision |
|---|---|---|
| LMArena Math | 1317 | 1269 |
| OTIS Mock AIME 2024-2025 | 65.3% | — |
| Omni-MATH | 56.5% | — |
Knowledge Too close to call
gpt-oss-20b: 34.6 (#186), Hunyuan Large Vision: 33.7 (#191)
| Benchmark | gpt-oss-20b | Hunyuan Large Vision |
|---|---|---|
| LMArena Expert | 1258 | 1250 |
| GPQA Diamond | 60.8% | — |
| MMLU-Pro | 74% | — |
| GPQA (HELM) | 59.4% | — |
Multimodal Not comparable
gpt-oss-20b: —, Hunyuan Large Vision: 35.1 (#79)
| Benchmark | gpt-oss-20b | Hunyuan Large Vision |
|---|---|---|
| LMArena Vision | — | 1180 |
Multilingual gpt-oss-20b leads
gpt-oss-20b: 42.4 (#192), Hunyuan Large Vision: 40.1 (#216)
| Benchmark | gpt-oss-20b | Hunyuan Large Vision |
|---|---|---|
| LMArena Non-English | 1269 | 1236 |
| LMArena Chinese | 1311 | 1289 |
| LMArena Russian | 1279 | 1243 |
| LMArena German | 1249 | — |
| LMArena Japanese | 1245 | — |
| LMArena Korean | 1239 | — |
| LMArena Spanish | 1267 | — |
Instruction Following Hunyuan Large Vision leads
gpt-oss-20b: 62.0 (#235), Hunyuan Large Vision: 66.0 (#210)
| Benchmark | gpt-oss-20b | Hunyuan Large Vision |
|---|---|---|
| LMArena Instruction Following | 1236 | 1250 |
| IFEval | 73.2% | — |
Long Context Too close to call
gpt-oss-20b: 37.9 (#203), Hunyuan Large Vision: 38.8 (#184)
| Benchmark | gpt-oss-20b | Hunyuan Large Vision |
|---|---|---|
| LMArena Longer Query | 1251 | 1279 |
Writing & Preference Hunyuan Large Vision leads
gpt-oss-20b: 35.8 (#260), Hunyuan Large Vision: 46.7 (#211)
| Benchmark | gpt-oss-20b | Hunyuan Large Vision |
|---|---|---|
| LMArena Text | 1288 | 1263 |
| LMArena Creative Writing | 1201 | 1250 |
| LMArena Multi-Turn | 1268 | 1253 |
| EQ-Bench Creative Writing | 666 | — |
| WildBench | 73.7% | — |
Frequently asked questions
Is gpt-oss-20b better than Hunyuan Large Vision?
Hunyuan Large Vision is the stronger model overall, scoring 37.0 to 32.1 on the Noometry Index.
Is gpt-oss-20b or Hunyuan Large Vision better for coding?
They score almost the same on coding (37.1 vs 37.6); test both on your own repository before choosing.
How many benchmarks do gpt-oss-20b and Hunyuan Large Vision share?
12 benchmarks have published results for both models. gpt-oss-20b has 34 scored results on Noometry and Hunyuan Large Vision has 13.