Model comparison
Kimi K2.5 Instant vs Qwen3-4B
Kimi K2.5 Instant is the stronger model overall, scoring 42.9 to 31.5 on the Noometry Index.
Last verified . 0 shared benchmarks.
Alibaba (Qwen)Summary
- The widest gap is in reasoning, where Kimi K2.5 Instant leads 28.5 to 18.5.
Side by side
| Kimi K2.5 Instant | Qwen3-4B | |
|---|---|---|
| Provider | Moonshot AI | Alibaba (Qwen) |
| Noometry Index | 42.9 | 31.5 |
| Released | — | 2025-04-29 |
| Weights | Open | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 18 | 6 |
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Category by category
Coding Not comparable
Kimi K2.5 Instant: 42.3 (#95), Qwen3-4B: —
| Benchmark | Kimi K2.5 Instant | Qwen3-4B |
|---|---|---|
| LMArena WebDev | 1404 | — |
| LMArena Coding | 1483 | — |
Agentic & Tool Use Not comparable
Kimi K2.5 Instant: —, Qwen3-4B: 27.3 (#94)
| Benchmark | Kimi K2.5 Instant | Qwen3-4B |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 35.7% |
Reasoning Kimi K2.5 Instant leads
Kimi K2.5 Instant: 28.5 (#88), Qwen3-4B: 18.5 (#264)
| Benchmark | Kimi K2.5 Instant | Qwen3-4B |
|---|---|---|
| Chess Puzzles | — | 4% |
| LMArena Hard Prompts | 1443 | — |
Math Kimi K2.5 Instant leads
Kimi K2.5 Instant: 36.6 (#105), Qwen3-4B: 28.5 (#228)
| Benchmark | Kimi K2.5 Instant | Qwen3-4B |
|---|---|---|
| MathArena Final-Answer Competitions | — | 38.5% |
| OTIS Mock AIME 2024-2025 | — | 52.2% |
| LMArena Math | 1443 | — |
Knowledge Kimi K2.5 Instant leads
Kimi K2.5 Instant: 39.5 (#121), Qwen3-4B: 33.0 (#198)
| Benchmark | Kimi K2.5 Instant | Qwen3-4B |
|---|---|---|
| GPQA Diamond | — | 52.3% |
| Vectara Hallucination Rate | — | 5.7% |
| LMArena Expert | 1438 | — |
Multimodal Not comparable
Kimi K2.5 Instant: 39.5 (#47), Qwen3-4B: —
| Benchmark | Kimi K2.5 Instant | Qwen3-4B |
|---|---|---|
| LMArena Vision | 1254 | — |
Multilingual Not comparable
Kimi K2.5 Instant: 52.2 (#89), Qwen3-4B: —
| Benchmark | Kimi K2.5 Instant | Qwen3-4B |
|---|---|---|
| LMArena Non-English | 1406 | — |
| LMArena Chinese | 1450 | — |
| LMArena French | 1403 | — |
| LMArena German | 1413 | — |
| LMArena Korean | 1378 | — |
| LMArena Russian | 1404 | — |
| LMArena Spanish | 1448 | — |
Instruction Following Not comparable
Kimi K2.5 Instant: 75.5 (#61), Qwen3-4B: —
| Benchmark | Kimi K2.5 Instant | Qwen3-4B |
|---|---|---|
| LMArena Instruction Following | 1430 | — |
Long Context Not comparable
Kimi K2.5 Instant: 43.8 (#82), Qwen3-4B: —
| Benchmark | Kimi K2.5 Instant | Qwen3-4B |
|---|---|---|
| LMArena Longer Query | 1435 | — |
Writing & Preference Not comparable
Kimi K2.5 Instant: 60.8 (#91), Qwen3-4B: —
| Benchmark | Kimi K2.5 Instant | Qwen3-4B |
|---|---|---|
| LMArena Text | 1420 | — |
| LMArena Creative Writing | 1379 | — |
| LMArena Multi-Turn | 1427 | — |
Frequently asked questions
Is Kimi K2.5 Instant better than Qwen3-4B?
Kimi K2.5 Instant is the stronger model overall, scoring 42.9 to 31.5 on the Noometry Index.
How many benchmarks do Kimi K2.5 Instant and Qwen3-4B share?
0 benchmarks have published results for both models. Kimi K2.5 Instant has 18 scored results on Noometry and Qwen3-4B has 6.