Model comparison
Hy3 vs Nemotron 3.5 Lightning
Hy3 is the stronger model overall, scoring 43.6 to 39.3 on the Noometry Index. Nemotron 3.5 Lightning costs 2.7× less per token, which makes it the better buy when Hy3's lead doesn't matter for your workload.
Last verified . 15 shared benchmarks.
Tencent
NVIDIASummary
- They share 15 benchmarks with published results for both. Hy3 scores higher in 7 categories and Nemotron 3.5 Lightning in 1 category; 7 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Hy3 leads 62.5 to 48.5.
- Nemotron 3.5 Lightning is cheaper at $0.06 / $0.16 per million input/output tokens, against $0.13 / $0.53 for Hy3.
Side by side
| Hy3 | Nemotron 3.5 Lightning | |
|---|---|---|
| Provider | Tencent | NVIDIA |
| Noometry Index | 43.6 | 39.3 |
| Released | 2026-07-06 | 2026-08-11 |
| Weights | Open | Open |
| Context window | 262K | 262K |
| Max output | 128K | 262K |
| Input $ / M tokens | $0.13 | $0.06 |
| Output $ / M tokens | $0.53 | $0.16 |
| Results tracked | 17 | 18 |
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Category by category
Coding Hy3 leads
Hy3: 46.6 (#60), Nemotron 3.5 Lightning: 39.6 (#143)
| Benchmark | Hy3 | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Coding | 1465 | 1370 |
| LMArena WebDev | 1509 | — |
Reasoning Too close to call
Hy3: 25.0 (#134), Nemotron 3.5 Lightning: 25.7 (#128)
| Benchmark | Hy3 | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Hard Prompts | 1449 | 1335 |
| NYT Connections (extended) | 41.2% | — |
Math Hy3 leads
Hy3: 37.4 (#98), Nemotron 3.5 Lightning: 34.7 (#156)
| Benchmark | Hy3 | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Math | 1475 | 1355 |
Knowledge Hy3 leads
Hy3: 40.2 (#108), Nemotron 3.5 Lightning: 36.9 (#154)
| Benchmark | Hy3 | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Expert | 1461 | 1354 |
Multilingual Hy3 leads
Hy3: 53.7 (#60), Nemotron 3.5 Lightning: 44.0 (#175)
| Benchmark | Hy3 | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Non-English | 1427 | 1292 |
| LMArena Chinese | 1496 | 1356 |
| LMArena French | 1461 | 1369 |
| LMArena Korean | 1390 | 1233 |
| LMArena Russian | 1435 | 1257 |
| LMArena Spanish | 1448 | 1321 |
| LMArena German | — | 1280 |
| LMArena Japanese | — | 1213 |
Instruction Following Hy3 leads
Hy3: 75.3 (#68), Nemotron 3.5 Lightning: 69.8 (#166)
| Benchmark | Hy3 | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Instruction Following | 1425 | 1317 |
Long Context Hy3 leads
Hy3: 44.1 (#70), Nemotron 3.5 Lightning: 39.9 (#160)
| Benchmark | Hy3 | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Longer Query | 1443 | 1312 |
Writing & Preference Hy3 leads
Hy3: 62.5 (#75), Nemotron 3.5 Lightning: 48.5 (#198)
| Benchmark | Hy3 | Nemotron 3.5 Lightning |
|---|---|---|
| LMArena Text | 1442 | 1324 |
| LMArena Creative Writing | 1399 | 1254 |
| LMArena Multi-Turn | 1436 | 1327 |
| EQ-Bench Creative Writing | — | 1280 |
Frequently asked questions
Is Hy3 better than Nemotron 3.5 Lightning?
Hy3 is the stronger model overall, scoring 43.6 to 39.3 on the Noometry Index. Nemotron 3.5 Lightning costs 2.7× less per token, which makes it the better buy when Hy3's lead doesn't matter for your workload.
Which is cheaper, Hy3 or Nemotron 3.5 Lightning?
Nemotron 3.5 Lightning is cheaper. It lists at $0.06 per million input tokens and $0.16 per million output tokens; Hy3 lists at $0.13 and $0.53.
Is Hy3 or Nemotron 3.5 Lightning better for coding?
Hy3 scores higher on coding benchmarks: 46.6 versus 39.6 in the Noometry coding category.
Which has the bigger context window?
Both accept 262K tokens.
How many benchmarks do Hy3 and Nemotron 3.5 Lightning share?
15 benchmarks have published results for both models. Hy3 has 17 scored results on Noometry and Nemotron 3.5 Lightning has 18.