Model comparison
Kimi K2.7 Code vs Nemotron 3 Ultra
Kimi K2.7 Code and Nemotron 3 Ultra score almost the same on the Noometry Index (43.3 vs 42.5), so choose on price, context window or the category you care about most.
Last verified . 9 shared benchmarks.
NVIDIASummary
- They share 9 benchmarks with published results for both. Kimi K2.7 Code scores higher in 5 categories and Nemotron 3 Ultra in 0 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in math, where Kimi K2.7 Code leads 52.9 to 35.3.
- The biggest single-benchmark swing is FrontierCode: 30.1% for Kimi K2.7 Code and 13.6% for Nemotron 3 Ultra.
- Nemotron 3 Ultra is cheaper at $0.50 / $2.20 per million input/output tokens, against $0.95 / $4 for Kimi K2.7 Code.
Side by side
| Kimi K2.7 Code | Nemotron 3 Ultra | |
|---|---|---|
| Provider | Moonshot AI | NVIDIA |
| Noometry Index | 43.3 | 42.5 |
| Released | 2026-06-12 | 2026-06-04 |
| Weights | Open | Open |
| Context window | 262K | 262K |
| Max output | 262K | 128K |
| Input $ / M tokens | $0.95 | $0.50 |
| Output $ / M tokens | $4 | $2.20 |
| Results tracked | 19 | 30 |
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Category by category
Coding Kimi K2.7 Code leads
Kimi K2.7 Code: 42.9 (#95), Nemotron 3 Ultra: 38.1 (#182)
| Benchmark | Kimi K2.7 Code | Nemotron 3 Ultra |
|---|---|---|
| FrontierCode | 30.1% | 13.6% |
| SciCode | 47.5% | 40.3% |
| WeirdML | 54.1% | 43.5% |
| DeepSWE | 30.5% | — |
| LMArena WebDev | 1473 | — |
| LMArena Coding | — | 1468 |
| ALE-Bench | 886.23 | — |
Agentic & Tool Use Too close to call
Kimi K2.7 Code: 24.0 (#122), Nemotron 3 Ultra: 23.4 (#126)
| Benchmark | Kimi K2.7 Code | Nemotron 3 Ultra |
|---|---|---|
| APEX-Agents | 37.6% | 22.7% |
| GBAEval | 0.9% | — |
| Vending-Bench 2 | 5,083 | — |
Reasoning Kimi K2.7 Code leads
Kimi K2.7 Code: 39.0 (#61), Nemotron 3 Ultra: 31.0 (#82)
| Benchmark | Kimi K2.7 Code | Nemotron 3 Ultra |
|---|---|---|
| CritPt | 10% | 3.1% |
| Chess Puzzles | 21% | 12% |
| Epoch Capabilities Index | 149.97 | 146.17 |
| SimpleBench | 57.9% | — |
| LMArena Hard Prompts | — | 1452 |
| Mystery Game Puzzles | — | 20% |
| DTBench | — | 90.1% |
| LMCA | — | 36.9% |
| Surface Evolver Bench | 48.8% | — |
Math Kimi K2.7 Code leads
Kimi K2.7 Code: 52.9 (#48), Nemotron 3 Ultra: 35.3 (#187)
| Benchmark | Kimi K2.7 Code | Nemotron 3 Ultra |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 95.6% | 86.7% |
| FrontierMath (Tiers 1-3) | 54% | — |
| FrontierMath Tier 4 | 12.2% | — |
| ProofBench | — | 2% |
| LMArena Math | — | 1457 |
Knowledge Too close to call
Kimi K2.7 Code: 53.5 (#57), Nemotron 3 Ultra: 52.5 (#61)
| Benchmark | Kimi K2.7 Code | Nemotron 3 Ultra |
|---|---|---|
| GPQA Diamond | 87.9% | 85.4% |
| SimpleQA Verified | 36.5% | — |
| LMArena Expert | — | 1472 |
Multilingual Not comparable
Kimi K2.7 Code: —, Nemotron 3 Ultra: 53.5 (#64)
| Benchmark | Kimi K2.7 Code | Nemotron 3 Ultra |
|---|---|---|
| LMArena Non-English | — | 1427 |
| LMArena Chinese | — | 1497 |
| LMArena French | — | 1472 |
| LMArena German | — | 1471 |
| LMArena Korean | — | 1386 |
| LMArena Russian | — | 1417 |
| LMArena Spanish | — | 1454 |
Instruction Following Not comparable
Kimi K2.7 Code: —, Nemotron 3 Ultra: 74.7 (#88)
| Benchmark | Kimi K2.7 Code | Nemotron 3 Ultra |
|---|---|---|
| LMArena Instruction Following | — | 1418 |
Long Context Not comparable
Kimi K2.7 Code: —, Nemotron 3 Ultra: 43.9 (#81)
| Benchmark | Kimi K2.7 Code | Nemotron 3 Ultra |
|---|---|---|
| LMArena Longer Query | — | 1437 |
Writing & Preference Not comparable
Kimi K2.7 Code: —, Nemotron 3 Ultra: 66.3 (#36)
| Benchmark | Kimi K2.7 Code | Nemotron 3 Ultra |
|---|---|---|
| LMArena Text | — | 1445 |
| LMArena Creative Writing | — | 1398 |
| EQ-Bench Creative Writing | — | 1692 |
| LMArena Multi-Turn | — | 1411 |
Frequently asked questions
Is Kimi K2.7 Code better than Nemotron 3 Ultra?
Kimi K2.7 Code and Nemotron 3 Ultra score almost the same on the Noometry Index (43.3 vs 42.5), so choose on price, context window or the category you care about most.
Which is cheaper, Kimi K2.7 Code or Nemotron 3 Ultra?
Nemotron 3 Ultra is cheaper. It lists at $0.50 per million input tokens and $2.20 per million output tokens; Kimi K2.7 Code lists at $0.95 and $4.
Is Kimi K2.7 Code or Nemotron 3 Ultra better for coding?
Kimi K2.7 Code scores higher on coding benchmarks: 42.9 versus 38.1 in the Noometry coding category.
Which has the bigger context window?
Both accept 262K tokens.
How many benchmarks do Kimi K2.7 Code and Nemotron 3 Ultra share?
9 benchmarks have published results for both models. Kimi K2.7 Code has 19 scored results on Noometry and Nemotron 3 Ultra has 30.