Model comparison
Claude 2.1 vs Kimi K2.5 Instant
Kimi K2.5 Instant is the stronger model overall, scoring 42.9 to 24.9 on the Noometry Index.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in math, where Kimi K2.5 Instant leads 36.6 to 9.6.
- Kimi K2.5 Instant has downloadable open weights; the other is API-only.
Side by side
| Claude 2.1 | Kimi K2.5 Instant | |
|---|---|---|
| Provider | Anthropic | Moonshot AI |
| Noometry Index | 24.9 | 42.9 |
| Released | 2023-11-21 | — |
| Weights | Proprietary | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 7 | 18 |
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Category by category
Coding Kimi K2.5 Instant leads
Claude 2.1: 25.8 (#322), Kimi K2.5 Instant: 42.3 (#95)
| Benchmark | Claude 2.1 | Kimi K2.5 Instant |
|---|---|---|
| LMArena WebDev | — | 1404 |
| WeirdML | 7.1% | — |
| LMArena Coding | — | 1483 |
Reasoning Kimi K2.5 Instant leads
Claude 2.1: 20.6 (#216), Kimi K2.5 Instant: 28.5 (#88)
| Benchmark | Claude 2.1 | Kimi K2.5 Instant |
|---|---|---|
| LMArena Hard Prompts | — | 1443 |
| DTBench | 51% | — |
| Epoch Capabilities Index | 119.22 | — |
| ForecastBench | 54.2 | — |
Math Kimi K2.5 Instant leads
Claude 2.1: 9.6 (#309), Kimi K2.5 Instant: 36.6 (#105)
| Benchmark | Claude 2.1 | Kimi K2.5 Instant |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 1.9% | — |
| LMArena Math | — | 1443 |
Knowledge Kimi K2.5 Instant leads
Claude 2.1: 15.5 (#287), Kimi K2.5 Instant: 39.5 (#121)
| Benchmark | Claude 2.1 | Kimi K2.5 Instant |
|---|---|---|
| GPQA Diamond | 33% | — |
| LMArena Expert | — | 1438 |
| MMLU | 73.5% | — |
Multimodal Not comparable
Claude 2.1: —, Kimi K2.5 Instant: 39.5 (#47)
| Benchmark | Claude 2.1 | Kimi K2.5 Instant |
|---|---|---|
| LMArena Vision | — | 1254 |
Multilingual Not comparable
Claude 2.1: —, Kimi K2.5 Instant: 52.2 (#89)
| Benchmark | Claude 2.1 | Kimi K2.5 Instant |
|---|---|---|
| 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
Claude 2.1: —, Kimi K2.5 Instant: 75.5 (#61)
| Benchmark | Claude 2.1 | Kimi K2.5 Instant |
|---|---|---|
| LMArena Instruction Following | — | 1430 |
Long Context Not comparable
Claude 2.1: —, Kimi K2.5 Instant: 43.8 (#82)
| Benchmark | Claude 2.1 | Kimi K2.5 Instant |
|---|---|---|
| LMArena Longer Query | — | 1435 |
Writing & Preference Not comparable
Claude 2.1: —, Kimi K2.5 Instant: 60.8 (#91)
| Benchmark | Claude 2.1 | Kimi K2.5 Instant |
|---|---|---|
| LMArena Text | — | 1420 |
| LMArena Creative Writing | — | 1379 |
| LMArena Multi-Turn | — | 1427 |
Frequently asked questions
Is Claude 2.1 better than Kimi K2.5 Instant?
Kimi K2.5 Instant is the stronger model overall, scoring 42.9 to 24.9 on the Noometry Index.
Is Claude 2.1 or Kimi K2.5 Instant better for coding?
Kimi K2.5 Instant scores higher on coding benchmarks: 42.3 versus 25.8 in the Noometry coding category.
How many benchmarks do Claude 2.1 and Kimi K2.5 Instant share?
0 benchmarks have published results for both models. Claude 2.1 has 7 scored results on Noometry and Kimi K2.5 Instant has 18.