Model comparison
Kimi K2.5 Instant vs Mixtral 8x22B
Kimi K2.5 Instant is the stronger model overall, scoring 42.9 to 26.7 on the Noometry Index.
Last verified . 16 shared benchmarks.
Mistral AISummary
- They share 16 benchmarks with published results for both. Kimi K2.5 Instant scores higher in 8 categories and Mixtral 8x22B in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Kimi K2.5 Instant leads 39.5 to 15.1.
Side by side
| Kimi K2.5 Instant | Mixtral 8x22B | |
|---|---|---|
| Provider | Moonshot AI | Mistral AI |
| Noometry Index | 42.9 | 26.7 |
| Released | — | 2024-04-17 |
| Weights | Open | Open |
| Context window | — | 64K |
| Max output | — | 64K |
| Input $ / M tokens | — | $2 |
| Output $ / M tokens | — | $6 |
| Results tracked | 18 | 34 |
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Category by category
Coding Kimi K2.5 Instant leads
Kimi K2.5 Instant: 42.3 (#95), Mixtral 8x22B: 23.8 (#324)
| Benchmark | Kimi K2.5 Instant | Mixtral 8x22B |
|---|---|---|
| LMArena Coding | 1483 | 1166 |
| LMArena WebDev | 1404 | — |
| WeirdML | — | 3.2% |
| BigCodeBench Instruct | — | 40.6% |
| BigCodeBench Complete | — | 50.2% |
| HumanEval+ | — | 72% |
| MBPP+ | — | 64.3% |
Agentic & Tool Use Not comparable
Kimi K2.5 Instant: —, Mixtral 8x22B: 22.8 (#119)
| Benchmark | Kimi K2.5 Instant | Mixtral 8x22B |
|---|---|---|
| Cybench | — | 7.5% |
Reasoning Kimi K2.5 Instant leads
Kimi K2.5 Instant: 28.5 (#88), Mixtral 8x22B: 19.1 (#246)
| Benchmark | Kimi K2.5 Instant | Mixtral 8x22B |
|---|---|---|
| LMArena Hard Prompts | 1443 | 1150 |
| DTBench | — | 55.1% |
| Epoch Capabilities Index | — | 122 |
| ForecastBench | — | 56.3 |
Math Kimi K2.5 Instant leads
Kimi K2.5 Instant: 36.6 (#105), Mixtral 8x22B: 21.2 (#271)
| Benchmark | Kimi K2.5 Instant | Mixtral 8x22B |
|---|---|---|
| LMArena Math | 1443 | 1184 |
| Omni-MATH | — | 16.3% |
| MATH Level 5 | — | 24.2% |
Knowledge Kimi K2.5 Instant leads
Kimi K2.5 Instant: 39.5 (#121), Mixtral 8x22B: 15.1 (#288)
| Benchmark | Kimi K2.5 Instant | Mixtral 8x22B |
|---|---|---|
| LMArena Expert | 1438 | 1113 |
| GPQA Diamond | — | 34.1% |
| MMLU-Pro | — | 46% |
| GPQA (HELM) | — | 33.4% |
| MMLU | — | 77.8% |
Multimodal Not comparable
Kimi K2.5 Instant: 39.5 (#47), Mixtral 8x22B: —
| Benchmark | Kimi K2.5 Instant | Mixtral 8x22B |
|---|---|---|
| LMArena Vision | 1254 | — |
Multilingual Kimi K2.5 Instant leads
Kimi K2.5 Instant: 52.2 (#89), Mixtral 8x22B: 32.9 (#250)
| Benchmark | Kimi K2.5 Instant | Mixtral 8x22B |
|---|---|---|
| LMArena Non-English | 1406 | 1128 |
| LMArena Chinese | 1450 | 1116 |
| LMArena French | 1403 | 1165 |
| LMArena German | 1413 | 1141 |
| LMArena Korean | 1378 | 1056 |
| LMArena Russian | 1404 | 1158 |
| LMArena Spanish | 1448 | 1150 |
| LMArena Japanese | — | 1037 |
Instruction Following Kimi K2.5 Instant leads
Kimi K2.5 Instant: 75.5 (#61), Mixtral 8x22B: 57.9 (#261)
| Benchmark | Kimi K2.5 Instant | Mixtral 8x22B |
|---|---|---|
| LMArena Instruction Following | 1430 | 1147 |
| IFEval | — | 72.4% |
Long Context Kimi K2.5 Instant leads
Kimi K2.5 Instant: 43.8 (#82), Mixtral 8x22B: 34.6 (#242)
| Benchmark | Kimi K2.5 Instant | Mixtral 8x22B |
|---|---|---|
| LMArena Longer Query | 1435 | 1144 |
Writing & Preference Kimi K2.5 Instant leads
Kimi K2.5 Instant: 60.8 (#91), Mixtral 8x22B: 37.1 (#257)
| Benchmark | Kimi K2.5 Instant | Mixtral 8x22B |
|---|---|---|
| LMArena Text | 1420 | 1162 |
| LMArena Creative Writing | 1379 | 1141 |
| LMArena Multi-Turn | 1427 | 1130 |
| WildBench | — | 71.1% |
Frequently asked questions
Is Kimi K2.5 Instant better than Mixtral 8x22B?
Kimi K2.5 Instant is the stronger model overall, scoring 42.9 to 26.7 on the Noometry Index.
Is Kimi K2.5 Instant or Mixtral 8x22B better for coding?
Kimi K2.5 Instant scores higher on coding benchmarks: 42.3 versus 23.8 in the Noometry coding category.
How many benchmarks do Kimi K2.5 Instant and Mixtral 8x22B share?
16 benchmarks have published results for both models. Kimi K2.5 Instant has 18 scored results on Noometry and Mixtral 8x22B has 34.