Model comparison
gpt-oss-20b vs Hy3
Hy3 is the stronger model overall, scoring 44.2 to 32.5 on the Noometry Index. gpt-oss-20b costs 4.0× less per token, which makes it the better buy when Hy3's lead doesn't matter for your workload.
Last verified . 16 shared benchmarks.
TencentSummary
- They share 16 benchmarks with published results for both. gpt-oss-20b scores higher in 0 categories and Hy3 in 8 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Hy3 leads 62.2 to 35.5.
- gpt-oss-20b is cheaper at $0.018 / $0.09 per million input/output tokens, against $0.0825 / $0.33 for Hy3.
- Hy3 accepts more context: 262K tokens versus 131K.
Side by side
| gpt-oss-20b | Hy3 | |
|---|---|---|
| Provider | OpenAI | Tencent |
| Noometry Index | 32.5 | 44.2 |
| Released | 2025-08-05 | 2026-07-06 |
| Weights | Open | Open |
| Context window | 131K | 262K |
| Max output | 16K | 128K |
| Input $ / M tokens | $0.018 | $0.0825 |
| Output $ / M tokens | $0.09 | $0.33 |
| Results tracked | 34 | 19 |
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Category by category
Coding Hy3 leads
gpt-oss-20b: 37.6 (#192), Hy3: 46.8 (#63)
| Benchmark | gpt-oss-20b | Hy3 |
|---|---|---|
| LMArena Coding | 1306 | 1464 |
| LMArena WebDev | — | 1508 |
| SciCode | 34.4% | — |
| WeirdML | 40.9% | — |
| ALE-Bench | 566.05 | — |
Agentic & Tool Use Not comparable
gpt-oss-20b: 9.3 (#154), Hy3: —
| Benchmark | gpt-oss-20b | Hy3 |
|---|---|---|
| Terminal-Bench | 3.4% | — |
Reasoning Hy3 leads
gpt-oss-20b: 19.3 (#261), Hy3: 26.1 (#136)
| Benchmark | gpt-oss-20b | Hy3 |
|---|---|---|
| LMArena Hard Prompts | 1274 | 1447 |
| Kagi LLM Benchmark | 53.2% | — |
| NYT Connections (extended) | — | 41.2% |
| CritPt | 1.4% | — |
| Chess Puzzles | 4% | — |
| DTBench | 68% | — |
| LMCA | 14.5% | — |
| Epoch Capabilities Index | 137.82 | — |
Math Too close to call
gpt-oss-20b: 39.4 (#103), Hy3: 40.1 (#93)
| Benchmark | gpt-oss-20b | Hy3 |
|---|---|---|
| LMArena Math | 1317 | 1475 |
| OTIS Mock AIME 2024-2025 | 65.3% | — |
| Omni-MATH | 56.5% | — |
Knowledge Hy3 leads
gpt-oss-20b: 34.6 (#195), Hy3: 40.8 (#114)
| Benchmark | gpt-oss-20b | Hy3 |
|---|---|---|
| LMArena Expert | 1258 | 1460 |
| GPQA Diamond | 60.8% | — |
| MMLU-Pro | 74% | — |
| GPQA (HELM) | 59.4% | — |
Multilingual Hy3 leads
gpt-oss-20b: 42.2 (#197), Hy3: 53.5 (#65)
| Benchmark | gpt-oss-20b | Hy3 |
|---|---|---|
| LMArena Non-English | 1268 | 1426 |
| LMArena Chinese | 1314 | 1493 |
| LMArena German | 1255 | 1439 |
| LMArena Japanese | 1244 | 1392 |
| LMArena Korean | 1236 | 1395 |
| LMArena Russian | 1278 | 1432 |
| LMArena Spanish | 1267 | 1456 |
| LMArena French | — | 1461 |
Instruction Following Hy3 leads
gpt-oss-20b: 61.8 (#240), Hy3: 75.1 (#70)
| Benchmark | gpt-oss-20b | Hy3 |
|---|---|---|
| LMArena Instruction Following | 1236 | 1426 |
| IFEval | 73.2% | — |
Long Context Hy3 leads
gpt-oss-20b: 37.9 (#209), Hy3: 44.1 (#75)
| Benchmark | gpt-oss-20b | Hy3 |
|---|---|---|
| LMArena Longer Query | 1250 | 1442 |
Writing & Preference Hy3 leads
gpt-oss-20b: 35.5 (#265), Hy3: 62.2 (#81)
| Benchmark | gpt-oss-20b | Hy3 |
|---|---|---|
| LMArena Text | 1287 | 1439 |
| LMArena Creative Writing | 1201 | 1402 |
| LMArena Multi-Turn | 1268 | 1436 |
| EQ-Bench Creative Writing | 666 | — |
| WildBench | 73.7% | — |
Frequently asked questions
Is gpt-oss-20b better than Hy3?
Hy3 is the stronger model overall, scoring 44.2 to 32.5 on the Noometry Index. gpt-oss-20b costs 4.0× less per token, which makes it the better buy when Hy3's lead doesn't matter for your workload.
Which is cheaper, gpt-oss-20b or Hy3?
gpt-oss-20b is cheaper. It lists at $0.018 per million input tokens and $0.09 per million output tokens; Hy3 lists at $0.0825 and $0.33.
Is gpt-oss-20b or Hy3 better for coding?
Hy3 scores higher on coding benchmarks: 46.8 versus 37.6 in the Noometry coding category.
Which has the bigger context window?
Hy3 does, with 262K tokens against 131K.
How many benchmarks do gpt-oss-20b and Hy3 share?
16 benchmarks have published results for both models. gpt-oss-20b has 34 scored results on Noometry and Hy3 has 19.