Model comparison
Kimi K3 vs Qwen Plus
Kimi K3 is the stronger model overall, scoring 59.5 to 37.1 on the Noometry Index. Qwen Plus costs 10.0× less per token, which makes it the better buy when Kimi K3's lead doesn't matter for your workload.
Last verified . 17 shared benchmarks.
Alibaba (Qwen)Summary
- They share 17 benchmarks with published results for both. Kimi K3 scores higher in 8 categories and Qwen Plus in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in math, where Kimi K3 leads 74.2 to 23.3.
- The biggest single-benchmark swing is OTIS Mock AIME 2024-2025: 97.2% for Kimi K3 and 17.8% for Qwen Plus.
- Qwen Plus is cheaper at $0.40 / $1.20 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 | Qwen Plus | |
|---|---|---|
| Provider | Moonshot AI | Alibaba (Qwen) |
| Noometry Index | 59.5 | 37.1 |
| Released | 2026-07-16 | 2024-01-25 |
| Weights | Open | Proprietary |
| Context window | 1.05M | 1M |
| Max output | 1.05M | 33K |
| Input $ / M tokens | $3 | $0.40 |
| Output $ / M tokens | $15 | $1.20 |
| Results tracked | 53 | 20 |
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Category by category
Coding Kimi K3 leads
Kimi K3: 61.0 (#10), Qwen Plus: 38.9 (#167)
| Benchmark | Kimi K3 | Qwen Plus |
|---|---|---|
| LMArena Coding | 1508 | 1328 |
| DeepSWE | 68.5% | — |
| FrontierCode | 44.2% | — |
| LMArena WebDev | 1654 | — |
| FrontierSWE | 25.9% | — |
| SciCode | 59.5% | — |
| WeirdML | 82.6% | — |
| ALE-Bench | 1,524 | — |
Agentic & Tool Use Not comparable
Kimi K3: 41.8 (#20), Qwen Plus: —
| Benchmark | Kimi K3 | Qwen Plus |
|---|---|---|
| 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), Qwen Plus: 28.4 (#107)
| Benchmark | Kimi K3 | Qwen Plus |
|---|---|---|
| LMArena Hard Prompts | 1496 | 1317 |
| DTBench | 91.2% | 81.1% |
| LMCA | 52.7% | 24% |
| ARC-AGI-2 | 60.4% | — |
| SimpleBench | 60.7% | — |
| Kagi LLM Benchmark | — | 63.3% |
| NYT Connections (extended) | 93.6% | — |
| ARC-AGI-1 | 94.5% | — |
| CritPt | 23.4% | — |
| Chess Puzzles | 39% | — |
| Mystery Game Puzzles | 26% | — |
| Surface Evolver Bench | 95% | — |
| Epoch Capabilities Index | 157.45 | — |
| ForecastBench | 61.1 | — |
Math Kimi K3 leads
Kimi K3: 74.2 (#16), Qwen Plus: 23.3 (#271)
| Benchmark | Kimi K3 | Qwen Plus |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 97.2% | 17.8% |
| LMArena Math | 1491 | 1326 |
| FrontierMath (Tiers 1-3) | 72.2% | — |
| FrontierMath Tier 4 | 39% | — |
| MathArena Final-Answer Competitions | 87.8% | — |
| ProofBench | 87% | — |
| MATH Level 5 | — | 65.3% |
| FrontierMath (Feb 2025 set) | — | 1.7% |
Knowledge Kimi K3 leads
Kimi K3: 63.2 (#21), Qwen Plus: 27.4 (#251)
| Benchmark | Kimi K3 | Qwen Plus |
|---|---|---|
| GPQA Diamond | 93.1% | 48.1% |
| LMArena Expert | 1521 | 1328 |
| SimpleQA Verified | 50.6% | — |
Multimodal Not comparable
Kimi K3: 37.8 (#70), Qwen Plus: —
| Benchmark | Kimi K3 | Qwen Plus |
|---|---|---|
| Blueprint-Bench 2 | 29.5% | — |
| Furniture Assembly | 34.2% | — |
Multilingual Kimi K3 leads
Kimi K3: 56.3 (#21), Qwen Plus: 45.1 (#175)
| Benchmark | Kimi K3 | Qwen Plus |
|---|---|---|
| LMArena Non-English | 1466 | 1310 |
| LMArena Chinese | 1529 | 1347 |
| LMArena Japanese | 1487 | 1251 |
| LMArena Russian | 1482 | 1323 |
| LMArena French | 1491 | — |
| LMArena German | 1488 | — |
| LMArena Korean | 1458 | — |
| LMArena Spanish | 1472 | — |
Instruction Following Kimi K3 leads
Kimi K3: 77.7 (#14), Qwen Plus: 68.8 (#181)
| Benchmark | Kimi K3 | Qwen Plus |
|---|---|---|
| LMArena Instruction Following | 1483 | 1303 |
Long Context Kimi K3 leads
Kimi K3: 45.8 (#29), Qwen Plus: 40.3 (#158)
| Benchmark | Kimi K3 | Qwen Plus |
|---|---|---|
| LMArena Longer Query | 1494 | 1324 |
Writing & Preference Kimi K3 leads
Kimi K3: 76.6 (#4), Qwen Plus: 52.2 (#176)
| Benchmark | Kimi K3 | Qwen Plus |
|---|---|---|
| LMArena Text | 1476 | 1326 |
| LMArena Creative Writing | 1454 | 1293 |
| LMArena Multi-Turn | 1488 | 1336 |
| EQ-Bench Creative Writing | 2082 | — |
| EQ-Bench 4 | 1339 | — |
Frequently asked questions
Is Kimi K3 better than Qwen Plus?
Kimi K3 is the stronger model overall, scoring 59.5 to 37.1 on the Noometry Index. Qwen Plus costs 10.0× less per token, which makes it the better buy when Kimi K3's lead doesn't matter for your workload.
Which is cheaper, Kimi K3 or Qwen Plus?
Qwen Plus is cheaper. It lists at $0.40 per million input tokens and $1.20 per million output tokens; Kimi K3 lists at $3 and $15.
Is Kimi K3 or Qwen Plus better for coding?
Kimi K3 scores higher on coding benchmarks: 61.0 versus 38.9 in the Noometry coding category.
Which has the bigger context window?
Kimi K3 does, with 1.05M tokens against 1M.
How many benchmarks do Kimi K3 and Qwen Plus share?
17 benchmarks have published results for both models. Kimi K3 has 53 scored results on Noometry and Qwen Plus has 20.