Model comparison
Kimi K2.5 Instant vs Mistral Large 4
Kimi K2.5 Instant and Mistral Large 4 score almost the same on the Noometry Index (43.6 vs 43.1), so choose on price, context window or the category you care about most.
Last verified . 13 shared benchmarks.
Mistral AISummary
- They share 13 benchmarks with published results for both. Kimi K2.5 Instant scores higher in 5 categories and Mistral Large 4 in 3 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Kimi K2.5 Instant leads 29.7 to 22.5.
- Kimi K2.5 Instant has downloadable open weights; the other is API-only.
Side by side
| Kimi K2.5 Instant | Mistral Large 4 | |
|---|---|---|
| Provider | Moonshot AI | Mistral AI |
| Noometry Index | 43.6 | 43.1 |
| Released | — | 2026-10-06 |
| Weights | Open | Proprietary |
| Context window | — | 1.05M |
| Max output | — | 262K |
| Input $ / M tokens | — | $0.68 |
| Output $ / M tokens | — | $2.09 |
| Results tracked | 18 | 15 |
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Category by category
Coding Mistral Large 4 leads
Kimi K2.5 Instant: 42.6 (#97), Mistral Large 4: 48.6 (#57)
| Benchmark | Kimi K2.5 Instant | Mistral Large 4 |
|---|---|---|
| LMArena WebDev | 1404 | 1541 |
| LMArena Coding | 1484 | 1475 |
Reasoning Kimi K2.5 Instant leads
Kimi K2.5 Instant: 29.7 (#90), Mistral Large 4: 22.5 (#192)
| Benchmark | Kimi K2.5 Instant | Mistral Large 4 |
|---|---|---|
| LMArena Hard Prompts | 1443 | 1444 |
| NYT Connections (extended) | — | 27.4% |
Math Mistral Large 4 leads
Kimi K2.5 Instant: 39.4 (#105), Mistral Large 4: 40.4 (#91)
| Benchmark | Kimi K2.5 Instant | Mistral Large 4 |
|---|---|---|
| LMArena Math | 1442 | 1488 |
Knowledge Kimi K2.5 Instant leads
Kimi K2.5 Instant: 40.2 (#123), Mistral Large 4: 36.6 (#166)
| Benchmark | Kimi K2.5 Instant | Mistral Large 4 |
|---|---|---|
| LMArena Expert | 1440 | 1447 |
| SimpleQA Verified | — | 20% |
Multimodal Not comparable
Kimi K2.5 Instant: 40.2 (#50), Mistral Large 4: —
| Benchmark | Kimi K2.5 Instant | Mistral Large 4 |
|---|---|---|
| LMArena Vision | 1254 | — |
Multilingual Too close to call
Kimi K2.5 Instant: 52.0 (#94), Mistral Large 4: 52.6 (#82)
| Benchmark | Kimi K2.5 Instant | Mistral Large 4 |
|---|---|---|
| LMArena Non-English | 1406 | 1415 |
| LMArena Chinese | 1449 | 1491 |
| LMArena Russian | 1404 | 1414 |
| LMArena French | 1403 | — |
| LMArena German | 1413 | — |
| LMArena Korean | 1378 | — |
| LMArena Spanish | 1447 | — |
Instruction Following Too close to call
Kimi K2.5 Instant: 75.3 (#65), Mistral Large 4: 75.0 (#76)
| Benchmark | Kimi K2.5 Instant | Mistral Large 4 |
|---|---|---|
| LMArena Instruction Following | 1430 | 1424 |
Long Context Too close to call
Kimi K2.5 Instant: 43.9 (#83), Mistral Large 4: 43.6 (#89)
| Benchmark | Kimi K2.5 Instant | Mistral Large 4 |
|---|---|---|
| LMArena Longer Query | 1435 | 1429 |
Writing & Preference Too close to call
Kimi K2.5 Instant: 60.6 (#95), Mistral Large 4: 60.4 (#97)
| Benchmark | Kimi K2.5 Instant | Mistral Large 4 |
|---|---|---|
| LMArena Text | 1420 | 1427 |
| LMArena Creative Writing | 1381 | 1361 |
| LMArena Multi-Turn | 1427 | 1424 |
Frequently asked questions
Is Kimi K2.5 Instant better than Mistral Large 4?
Kimi K2.5 Instant and Mistral Large 4 score almost the same on the Noometry Index (43.6 vs 43.1), so choose on price, context window or the category you care about most.
Is Kimi K2.5 Instant or Mistral Large 4 better for coding?
Mistral Large 4 scores higher on coding benchmarks: 48.6 versus 42.6 in the Noometry coding category.
How many benchmarks do Kimi K2.5 Instant and Mistral Large 4 share?
13 benchmarks have published results for both models. Kimi K2.5 Instant has 18 scored results on Noometry and Mistral Large 4 has 15.