Nemotron 3 Nano 30B A3B vs Hy4 preview
Nemotron 3 Nano 30B A3B costs 11.4x less per output token than Hy4 preview ($0.22 vs $2.501 per million). Updated October 22, 2026; no benchmark has tested both models yet.
- Coding
- No data
- Overall
- No data
- Output $/M
- $0.22
- Coding
- 44.3
- Overall
- No data
- Output $/M
- $2.501
Nemotron 3 Nano 30B A3B or Hy4 preview: which to pick
Only Hy4 preview has a coding score, 44.3 on the Vibe Coding Index; Nemotron 3 Nano 30B A3B has none, so the two cannot be ranked on coding.
Pick Nemotron 3 Nano 30B A3B for output tokens 11.4x cheaper ($0.22 vs $2.501 per million).
No benchmark has tested both yet. Nemotron 3 Nano 30B A3B has results on AA Coding Index, LiveCodeBench (Artificial Analysis run) and SciCode; Hy4 preview on LMArena WebDev, Terminal-Bench 4 (Vals AI) and Vibe Code Bench (Vals AI). Compare them on price and context instead.
Which one for your work
Each card is decided by one number both models carry. Where only one has it, the card says so and makes no call.
Coding
Vibe Coding Index, six public coding benchmarks
No call
Only Hy4 preview has a coding score, so no call is made.
One side not measured
Intelligence
AA Intelligence Index
No call
Only Nemotron 3 Nano 30B A3B has a AA Intelligence Index result, 8.9.
Directional only
Agentic work
AA Agentic Index
No call
Only Nemotron 3 Nano 30B A3B has a AA Agentic Index result, 1.0.
Directional only
General
Vals Index
No call
Only Hy4 preview has a Vals Index result, 53.2%.
Directional only
Long documents
Listed context window
Hy4 preview
Hy4 preview takes 1.05M tokens against 262K.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
Nemotron 3 Nano 30B A3B
Nemotron 3 Nano 30B A3B $0.0002, Hy4 preview $0.0021 per turn.
List prices
At a glance
- Coding index
- Nemotron 3 Nano 30B A3B not benchmarked, Hy4 preview 44.3 from 3 benchmarks.
- Widest category
- None yet: no category has been tested on both models.
- Widest single gap
- None yet: no benchmark has tested both models.
- Output price
- Nemotron 3 Nano 30B A3B $0.22 against Hy4 preview $2.501 per million output tokens, 11.4x apart.
- Context window
- Nemotron 3 Nano 30B A3B takes 262K tokens, Hy4 preview 1.05M.
Benchmark by benchmark
Every board either model has a result on, a category to a fold; bars are each result on a 0 to 100 scale. Only one model is measured on each, so no row names a leader.
CodingDirectional onlySix of these boards feed the Vibe Coding Index16 boards measured
| Benchmark | Nemotron 3 Nano 30B A3B | Hy4 preview | Leader |
|---|---|---|---|
| LMArena WebDev | Not measured | 1631 | Only Hy4 preview measured |
| AA Coding Index | 14.4 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| Terminal-Bench 4 (Vals AI) | Not measured | 8.1% | Only Hy4 preview measured |
| Vibe Code Bench (Vals AI) | Not measured | 77.5% | Only Hy4 preview measured |
| Code migration (Vals AI) | Not measured | 47.4% | Only Hy4 preview measured |
| ProgramBench (Vals AI) | Not measured | 0.0% | Only Hy4 preview measured |
| IOI (Vals AI) | Not measured | 59.3% | Only Hy4 preview measured |
| Terminal-Bench 2.1 (Vals AI) | Not measured | 55.1% | Only Hy4 preview measured |
| CyberBench (Vals AI) | Not measured | 65.4% | Only Hy4 preview measured |
| LiveCodeBench (Artificial Analysis run) | 74.1% | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| SciCode | 30.6% | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| Terminal-Bench Hard (Artificial Analysis run) | 13.6% | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| LMArena Text: coding | 1378 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| LMArena Text: software and IT | 1383 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| LMArena WebDev: React | Not measured | 1653 | Only Hy4 preview measured |
| LMArena WebDev: HTML | Not measured | 1620 | Only Hy4 preview measured |
| Neither model has a result on the other 27 boards here | |||
IntelligenceDirectional onlyPublic boards, shown as published, kept out of the index1 board measured
| Benchmark | Nemotron 3 Nano 30B A3B | Hy4 preview | Leader |
|---|---|---|---|
| AA Intelligence Index | 8.9 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| Neither model has a result on the other 1 board here | |||
Agentic workDirectional onlyPublic boards, shown as published, kept out of the index10 boards measured
| Benchmark | Nemotron 3 Nano 30B A3B | Hy4 preview | Leader |
|---|---|---|---|
| AA Agentic Index | 1.0 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| SREBench (Vals AI) | Not measured | 2.3% | Only Hy4 preview measured |
| Finance Agent (Vals AI) | Not measured | 55.1% | Only Hy4 preview measured |
| Tax Agent Bench (Vals AI) | Not measured | 32.6% | Only Hy4 preview measured |
| Legal Research Bench (Vals AI) | Not measured | 45.2% | Only Hy4 preview measured |
| Harvey's Legal Agent Benchmark (Vals AI) | Not measured | 8.8% | Only Hy4 preview measured |
| Excel Modeling Benchmark (Vals AI) | Not measured | 58.1% | Only Hy4 preview measured |
| BioMysteryBench (Vals AI) | Not measured | 69.3% | Only Hy4 preview measured |
| Terminal-Bench-Science (Vals AI) | Not measured | 1.4% | Only Hy4 preview measured |
| τ²-Bench Telecom | 40.9% | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| Neither model has a result on the other 32 boards here | |||
ReasoningDirectional onlyPublic boards, shown as published, kept out of the index5 boards measured
| Benchmark | Nemotron 3 Nano 30B A3B | Hy4 preview | Leader |
|---|---|---|---|
| GPQA Diamond (Artificial Analysis run) | 75.7% | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| Humanity's Last Exam (Artificial Analysis run) | 11.4% | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| LMArena Text: hard prompts | 1348 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| LMArena Text: expert | 1355 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| LMArena Text: hard prompts in English | 1376 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| Neither model has a result on the other 18 boards here | |||
MathDirectional onlyPublic boards, shown as published, kept out of the index5 boards measured
| Benchmark | Nemotron 3 Nano 30B A3B | Hy4 preview | Leader |
|---|---|---|---|
| AA Math Index | 91.0 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| AIME 2025 (Artificial Analysis run) | 91.0% | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| ProofBench | Not measured | 75.0% | Only Hy4 preview measured |
| LMArena Text: math | 1371 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| LMArena Text: mathematical work | 1375 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| Neither model has a result on the other 9 boards here | |||
KnowledgeDirectional onlyPublic boards, shown as published, kept out of the index7 boards measured
| Benchmark | Nemotron 3 Nano 30B A3B | Hy4 preview | Leader |
|---|---|---|---|
| LegalBench (Vals AI) | Not measured | 83.8% | Only Hy4 preview measured |
| MedCode (Vals AI) | Not measured | 43.3% | Only Hy4 preview measured |
| MMLU Pro (Artificial Analysis run) | 79.4% | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| LMArena Text: science | 1353 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| LMArena Text: medicine and healthcare | 1349 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| LMArena Text: legal and government | 1341 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| LMArena Text: business and finance | 1346 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| Neither model has a result on the other 13 boards here | |||
GeneralDirectional onlyPublic boards, shown as published, kept out of the index22 boards measured
| Benchmark | Nemotron 3 Nano 30B A3B | Hy4 preview | Leader |
|---|---|---|---|
| Vals Index | Not measured | 53.2% | Only Hy4 preview measured |
| Public Benefits Bench (Vals AI) | Not measured | 68.6% | Only Hy4 preview measured |
| MedScribe (Vals AI) | Not measured | 83.6% | Only Hy4 preview measured |
| IFBench | 71.1% | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| Long context reasoning (AA-LCR) | 38.0% | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| LMArena Text | 1348 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| LMArena Text: instruction following | 1303 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| LMArena Text: creative writing | 1269 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| LMArena Text: English | 1377 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| LMArena Text: non-English | 1320 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| LMArena Text: Chinese | 1383 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| LMArena Text: German | 1348 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| LMArena Text: Japanese | 1268 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| LMArena Text: Korean | 1269 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| LMArena Text: French | 1396 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| LMArena Text: Spanish | 1376 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| LMArena Text: Russian | 1304 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| LMArena Text: Polish | 1303 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| LMArena Text: multi-turn | 1319 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| LMArena Text: longer queries | 1300 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| LMArena Text: writing and language | 1283 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| LMArena Text: entertainment and media | 1293 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| Neither model has a result on the other 26 boards here | |||
What each workload costs
Three fixed token mixes at each model's listed price, so per-token rates become a bill.
Chat turn
1K input + 500 output tokens
Nemotron 3 Nano 30B A3B costs less
Repository review
50K input + 3K output tokens
Nemotron 3 Nano 30B A3B costs less
Agent loop
200K input + 10K output tokens
Nemotron 3 Nano 30B A3B costs less
Listed OpenRouter rates, without cache or batch discounts. A workload that does not fit a model's context window would need splitting.
Specification differences
The leading value in a row is marked; a row with a missing value names no leader. Our two rows are marked in red.
| Specification | NVIDIA Nemotron 3 Nano 30B A3B | Tencent Hy4 preview |
|---|---|---|
| Maker | NVIDIA | Tencent |
| Weights | Open weights | Open weights |
| Released | December 14, 2025 | August 28, 2026 |
| Context window | 262K | 1.05M |
| Input $/Mtok | $0.055 | $0.834 |
| Output $/Mtok | $0.22 | $2.501 |
| Coding index | Not benchmarked | 44.3 |
| Independent measurements behind it | 0 | 3 |
| Cost per solved task | Not computable | Not computable |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Nemotron 3 Nano 30B A3B better than Hy4 preview for coding?
Only Hy4 preview has a coding score, 44.3 on the Vibe Coding Index; Nemotron 3 Nano 30B A3B has none, so the two cannot be ranked on coding. Pick Nemotron 3 Nano 30B A3B for output tokens 11.4x cheaper ($0.22 vs $2.501 per million).
Which is cheaper, Nemotron 3 Nano 30B A3B or Hy4 preview?
Nemotron 3 Nano 30B A3B costs $0.055 per million input tokens and $0.22 per million output tokens; Hy4 preview costs $0.834 and $2.501. Cost per solved task is known for neither of them.
Which has the bigger context window, Nemotron 3 Nano 30B A3B or Hy4 preview?
Hy4 preview, with 1.05M tokens against 262K.
Has any benchmark tested both Nemotron 3 Nano 30B A3B and Hy4 preview?
No benchmark has tested both yet. Nemotron 3 Nano 30B A3B has results on AA Coding Index, LiveCodeBench (Artificial Analysis run) and SciCode; Hy4 preview on LMArena WebDev, Terminal-Bench 4 (Vals AI) and Vibe Code Bench (Vals AI). Compare them on price and context instead. Data as of October 22, 2026.