Nemotron 3 Nano 30B A3B vs Reka Flash 3
Nemotron 3 Nano 30B A3B leads Reka Flash 3 on the Artificial Analysis Intelligence Index, 8.9 to 6.4, at about the same output price ($0.22 vs $0.20 per million). Updated October 23, 2026; 11 benchmarks have a result for both.
Nemotron 3 Nano 30B A3B or Reka Flash 3: which to pick
Neither model has a coding score yet, so the two cannot be ranked on coding.
Pick Nemotron 3 Nano 30B A3B for a larger context window (262K against 66K tokens).
- Shared results
- 11
- Nemotron 3 Nano 30B A3B only
- 31
- Reka Flash 3 only
- 1
- Like-for-like categories
- 7 of 9
Only benchmarks that tested both models count toward a pick; a result only one model has is shown but not compared.
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
Neither has a coding score yet.
One side not measured
Intelligence
AA Intelligence Index
Nemotron 3 Nano 30B A3B
Nemotron 3 Nano 30B A3B leads, 8.9 against 6.4.
Same board, both measured
Agentic work
AA Agentic Index
No call
Only Nemotron 3 Nano 30B A3B has a AA Agentic Index result, 1.0.
Directional only
Long documents
Listed context window
Nemotron 3 Nano 30B A3B
Nemotron 3 Nano 30B A3B takes 262K tokens against 66K.
Listed by OpenRouter
Everyday cost
1K input + 500 output tokens
Nemotron 3 Nano 30B A3B
Nemotron 3 Nano 30B A3B $0.0002, Reka Flash 3 $0.0002 per turn.
List prices
At a glance
- Coding index
- Nemotron 3 Nano 30B A3B not benchmarked, Reka Flash 3 not benchmarked.
- Widest category
- Math, 57.3 points apart on average over 2 shared benchmarks.
- Widest single gap
- AIME 2025 (Artificial Analysis run): Nemotron 3 Nano 30B A3B 91.0% against Reka Flash 3 33.7%, 57.3 points apart on a 0 to 100 scale.
- Output price
- Nemotron 3 Nano 30B A3B $0.22 against Reka Flash 3 $0.20 per million output tokens, 1.1x apart.
- Context window
- Nemotron 3 Nano 30B A3B takes 262K tokens, Reka Flash 3 66K.
Benchmark by benchmark
First the score: boards each model leads, per category, where both have a result. Then every board, a category to a fold; bars are each result on a 0 to 100 scale, so compare the two in a row, not one row with another.
| Category | Nemotron 3 Nano 30B A3B | Bars | Reka Flash 3 | Ties |
|---|---|---|---|---|
| Coding | 2 | 0 | ||
| Intelligence | 1 | 0 | ||
| Agentic work | 1 | 0 | ||
| Reasoning | 2 | 0 | ||
| Math | 2 | 0 | ||
| Knowledge | 1 | 0 | ||
| General | 2 | 0 | ||
| All shared boards | 11 | 0 |
CodingLike-for-likeSix of these boards feed the Vibe Coding Index20
| Benchmark | Nemotron 3 Nano 30B A3B | Reka Flash 3 | Leader |
|---|---|---|---|
| AA Coding Index | 14.4 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| LiveCodeBench (Artificial Analysis run) | 74.1% | 43.5% | Nemotron 3 Nano 30B A3B |
| SciCode | 30.6% | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| Terminal-Bench Hard (Artificial Analysis run) | 13.6% | 0.0% | Nemotron 3 Nano 30B A3B |
| LMArena Text: coding | 1378 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| LMArena Text: software and IT | 1382 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| Neither model has a result on the other 37 boards here | |||
IntelligenceLike-for-likePublic boards, shown as published, kept out of the index10
| Benchmark | Nemotron 3 Nano 30B A3B | Reka Flash 3 | Leader |
|---|---|---|---|
| AA Intelligence Index | 8.9 | 6.4 | Nemotron 3 Nano 30B A3B |
| Neither model has a result on the other 1 board here | |||
Agentic workLike-for-likePublic boards, shown as published, kept out of the index10
| Benchmark | Nemotron 3 Nano 30B A3B | Reka Flash 3 | Leader |
|---|---|---|---|
| AA Agentic Index | 1.0 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| τ²-Bench Telecom | 40.9% | 0.0% | Nemotron 3 Nano 30B A3B |
| BALROG | Not measured | 29.2% | Only Reka Flash 3 measured |
| Neither model has a result on the other 39 boards here | |||
ReasoningLike-for-likePublic boards, shown as published, kept out of the index20
| Benchmark | Nemotron 3 Nano 30B A3B | Reka Flash 3 | Leader |
|---|---|---|---|
| GPQA Diamond (Artificial Analysis run) | 75.7% | 52.9% | Nemotron 3 Nano 30B A3B |
| Humanity's Last Exam (Artificial Analysis run) | 11.4% | 4.4% | Nemotron 3 Nano 30B A3B |
| LMArena Text: hard prompts | 1348 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| LMArena Text: expert | 1356 | 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 | |||
MathLike-for-likePublic boards, shown as published, kept out of the index20
| Benchmark | Nemotron 3 Nano 30B A3B | Reka Flash 3 | Leader |
|---|---|---|---|
| AA Math Index | 91.0 | 33.7 | Nemotron 3 Nano 30B A3B |
| AIME 2025 (Artificial Analysis run) | 91.0% | 33.7% | Nemotron 3 Nano 30B A3B |
| 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 10 boards here | |||
KnowledgeLike-for-likePublic boards, shown as published, kept out of the index10
| Benchmark | Nemotron 3 Nano 30B A3B | Reka Flash 3 | Leader |
|---|---|---|---|
| MMLU Pro (Artificial Analysis run) | 79.4% | 66.9% | Nemotron 3 Nano 30B A3B |
| 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 | 1345 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| Neither model has a result on the other 15 boards here | |||
Web designNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Nemotron 3 Nano 30B A3B | Reka Flash 3 | Leader |
|---|---|---|---|
| Neither model has a result on 9 boards here | |||
GeneralLike-for-likePublic boards, shown as published, kept out of the index20
| Benchmark | Nemotron 3 Nano 30B A3B | Reka Flash 3 | Leader |
|---|---|---|---|
| IFBench | 71.1% | 30.4% | Nemotron 3 Nano 30B A3B |
| Long context reasoning (AA-LCR) | 38.0% | 0.0% | Nemotron 3 Nano 30B A3B |
| LMArena Text | 1348 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| LMArena Text: instruction following | 1304 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| LMArena Text: creative writing | 1270 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| LMArena Text: English | 1378 | 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 | 1269 | 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 | 1302 | 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 | 1284 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| LMArena Text: entertainment and media | 1294 | Not measured | Only Nemotron 3 Nano 30B A3B measured |
| Neither model has a result on the other 29 boards here | |||
Image generationNot comparablePublic boards, shown as published, kept out of the index0 boards, none shared
| Benchmark | Nemotron 3 Nano 30B A3B | Reka Flash 3 | Leader |
|---|---|---|---|
| Neither model has a result on 5 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 | Reka Flash 3 |
|---|---|---|
| Maker | NVIDIA | Reka |
| Weights | Open weights | Open weights |
| Released | December 14, 2025 | March 12, 2025 |
| Context window | 262K | 66K |
| Input $/Mtok | $0.055 | $0.10 |
| Output $/Mtok | $0.22 | $0.20 |
| Coding index | Not benchmarked | Not benchmarked |
| Independent measurements behind it | 0 | 0 |
| Cost per solved task | Not computable | Not computable |
| Source | OpenRouter listing | OpenRouter listing |
Questions
Is Nemotron 3 Nano 30B A3B better than Reka Flash 3 for coding?
Neither model has a coding score yet, so the two cannot be ranked on coding. Pick Nemotron 3 Nano 30B A3B for a larger context window (262K against 66K tokens).
Which is cheaper, Nemotron 3 Nano 30B A3B or Reka Flash 3?
Nemotron 3 Nano 30B A3B costs $0.055 per million input tokens and $0.22 per million output tokens; Reka Flash 3 costs $0.10 and $0.20. Cost per solved task is known for neither of them.
Which has the bigger context window, Nemotron 3 Nano 30B A3B or Reka Flash 3?
Nemotron 3 Nano 30B A3B, with 262K tokens against 66K.
How many benchmarks is the Nemotron 3 Nano 30B A3B vs Reka Flash 3 comparison based on?
11 benchmarks have a result for both models as of October 23, 2026. Nemotron 3 Nano 30B A3B's coding index rests on 0 independent benchmarks and Reka Flash 3's on 0. Where only one model has a result, the page says so instead of naming a winner.