Model comparison
Kimi K3 vs Nova Premier 1.0
Kimi K3 is the stronger model overall, scoring 59.5 to 38.3 on the Noometry Index.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in math, where Kimi K3 leads 74.2 to 33.8.
- Nova Premier 1.0 is cheaper at $2.50 / $12.50 per million input/output tokens, against $3 / $15 for Kimi K3.
- Kimi K3 accepts more context: 1.05M tokens versus 1M.
- Kimi K3 has downloadable open weights; the other is API-only.
Side by side
| Kimi K3 | Nova Premier 1.0 | |
|---|---|---|
| Provider | Moonshot AI | Amazon |
| Noometry Index | 59.5 | 38.3 |
| Released | 2026-07-16 | 2025-04-30 |
| Weights | Open | Proprietary |
| Context window | 1.05M | 1M |
| Max output | 1.05M | 10K |
| Input $ / M tokens | $3 | $2.50 |
| Output $ / M tokens | $15 | $12.50 |
| Results tracked | 53 | 6 |
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Category by category
Coding Not comparable
Kimi K3: 61.0 (#10), Nova Premier 1.0: —
| Benchmark | Kimi K3 | Nova Premier 1.0 |
|---|---|---|
| DeepSWE | 68.5% | — |
| FrontierCode | 44.2% | — |
| LMArena WebDev | 1654 | — |
| FrontierSWE | 25.9% | — |
| SciCode | 59.5% | — |
| WeirdML | 82.6% | — |
| LMArena Coding | 1508 | — |
| ALE-Bench | 1,524 | — |
Agentic & Tool Use Not comparable
Kimi K3: 41.8 (#20), Nova Premier 1.0: —
| Benchmark | Kimi K3 | Nova Premier 1.0 |
|---|---|---|
| APEX-Agents | 50.6% | — |
| τ²-bench Banking | 37.1% | — |
| PostTrainBench | 32% | — |
| GBAEval | 48.3% | — |
| GDP.pdf | 19% | — |
| Vending-Bench 2 | 5,165 | — |
Reasoning Kimi K3 leads
Kimi K3: 63.0 (#17), Nova Premier 1.0: 23.0 (#185)
| Benchmark | Kimi K3 | Nova Premier 1.0 |
|---|---|---|
| ARC-AGI-2 | 60.4% | — |
| SimpleBench | 60.7% | — |
| Kagi LLM Benchmark | — | 44.8% |
| NYT Connections (extended) | 93.6% | — |
| ARC-AGI-1 | 94.5% | — |
| CritPt | 23.4% | — |
| Chess Puzzles | 39% | — |
| LMArena Hard Prompts | 1496 | — |
| Mystery Game Puzzles | 26% | — |
| DTBench | 91.2% | — |
| LMCA | 52.7% | — |
| Surface Evolver Bench | 95% | — |
| Epoch Capabilities Index | 157.45 | — |
| ForecastBench | 61.1 | — |
Math Kimi K3 leads
Kimi K3: 74.2 (#16), Nova Premier 1.0: 33.8 (#199)
| Benchmark | Kimi K3 | Nova Premier 1.0 |
|---|---|---|
| FrontierMath (Tiers 1-3) | 72.2% | — |
| FrontierMath Tier 4 | 39% | — |
| MathArena Final-Answer Competitions | 87.8% | — |
| OTIS Mock AIME 2024-2025 | 97.2% | — |
| ProofBench | 87% | — |
| Omni-MATH | — | 35% |
| LMArena Math | 1491 | — |
Knowledge Kimi K3 leads
Kimi K3: 63.2 (#21), Nova Premier 1.0: 35.8 (#180)
| Benchmark | Kimi K3 | Nova Premier 1.0 |
|---|---|---|
| GPQA Diamond | 93.1% | — |
| SimpleQA Verified | 50.6% | — |
| MMLU-Pro | — | 72.6% |
| GPQA (HELM) | — | 51.8% |
| LMArena Expert | 1521 | — |
Multimodal Not comparable
Kimi K3: 37.8 (#70), Nova Premier 1.0: —
| Benchmark | Kimi K3 | Nova Premier 1.0 |
|---|---|---|
| Blueprint-Bench 2 | 29.5% | — |
| Furniture Assembly | 34.2% | — |
Multilingual Not comparable
Kimi K3: 56.3 (#21), Nova Premier 1.0: —
| Benchmark | Kimi K3 | Nova Premier 1.0 |
|---|---|---|
| LMArena Non-English | 1466 | — |
| LMArena Chinese | 1529 | — |
| LMArena French | 1491 | — |
| LMArena German | 1488 | — |
| LMArena Japanese | 1487 | — |
| LMArena Korean | 1458 | — |
| LMArena Russian | 1482 | — |
| LMArena Spanish | 1472 | — |
Instruction Following Kimi K3 leads
Kimi K3: 77.7 (#14), Nova Premier 1.0: 66.8 (#204)
| Benchmark | Kimi K3 | Nova Premier 1.0 |
|---|---|---|
| IFEval | — | 80.3% |
| LMArena Instruction Following | 1483 | — |
Long Context Not comparable
Kimi K3: 45.8 (#29), Nova Premier 1.0: —
| Benchmark | Kimi K3 | Nova Premier 1.0 |
|---|---|---|
| LMArena Longer Query | 1494 | — |
Writing & Preference Kimi K3 leads
Kimi K3: 76.6 (#4), Nova Premier 1.0: 51.0 (#178)
| Benchmark | Kimi K3 | Nova Premier 1.0 |
|---|---|---|
| LMArena Text | 1476 | — |
| LMArena Creative Writing | 1454 | — |
| EQ-Bench Creative Writing | 2082 | — |
| WildBench | — | 78.8% |
| EQ-Bench 4 | 1339 | — |
| LMArena Multi-Turn | 1488 | — |
Frequently asked questions
Is Kimi K3 better than Nova Premier 1.0?
Kimi K3 is the stronger model overall, scoring 59.5 to 38.3 on the Noometry Index.
Which is cheaper, Kimi K3 or Nova Premier 1.0?
Nova Premier 1.0 is cheaper. It lists at $2.50 per million input tokens and $12.50 per million output tokens; Kimi K3 lists at $3 and $15.
Which has the bigger context window?
Kimi K3 does, with 1.05M tokens against 1M.
How many benchmarks do Kimi K3 and Nova Premier 1.0 share?
0 benchmarks have published results for both models. Kimi K3 has 53 scored results on Noometry and Nova Premier 1.0 has 6.