Model comparison
Kimi K2.5 Instant vs Olmo 3.1 32b Think
Kimi K2.5 Instant is the stronger model overall, scoring 42.9 to 37.3 on the Noometry Index.
Last verified . 15 shared benchmarks.
Allen Institute for AI (Ai2)Summary
- They share 15 benchmarks with published results for both. Kimi K2.5 Instant scores higher in 8 categories and Olmo 3.1 32b Think in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Kimi K2.5 Instant leads 60.8 to 46.4.
Side by side
| Kimi K2.5 Instant | Olmo 3.1 32b Think | |
|---|---|---|
| Provider | Moonshot AI | Allen Institute for AI (Ai2) |
| Noometry Index | 42.9 | 37.3 |
| Released | — | — |
| Weights | Open | Open |
| Context window | — | — |
| Max output | — | — |
| Input $ / M tokens | — | — |
| Output $ / M tokens | — | — |
| Results tracked | 18 | 15 |
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Category by category
Coding Kimi K2.5 Instant leads
Kimi K2.5 Instant: 42.3 (#95), Olmo 3.1 32b Think: 37.1 (#186)
| Benchmark | Kimi K2.5 Instant | Olmo 3.1 32b Think |
|---|---|---|
| LMArena Coding | 1483 | 1292 |
| LMArena WebDev | 1404 | — |
Reasoning Kimi K2.5 Instant leads
Kimi K2.5 Instant: 28.5 (#88), Olmo 3.1 32b Think: 24.1 (#151)
| Benchmark | Kimi K2.5 Instant | Olmo 3.1 32b Think |
|---|---|---|
| LMArena Hard Prompts | 1443 | 1272 |
Math Kimi K2.5 Instant leads
Kimi K2.5 Instant: 36.6 (#105), Olmo 3.1 32b Think: 33.6 (#170)
| Benchmark | Kimi K2.5 Instant | Olmo 3.1 32b Think |
|---|---|---|
| LMArena Math | 1443 | 1305 |
Knowledge Kimi K2.5 Instant leads
Kimi K2.5 Instant: 39.5 (#121), Olmo 3.1 32b Think: 35.0 (#178)
| Benchmark | Kimi K2.5 Instant | Olmo 3.1 32b Think |
|---|---|---|
| LMArena Expert | 1438 | 1294 |
Multimodal Not comparable
Kimi K2.5 Instant: 39.5 (#47), Olmo 3.1 32b Think: —
| Benchmark | Kimi K2.5 Instant | Olmo 3.1 32b Think |
|---|---|---|
| LMArena Vision | 1254 | — |
Multilingual Kimi K2.5 Instant leads
Kimi K2.5 Instant: 52.2 (#89), Olmo 3.1 32b Think: 38.3 (#226)
| Benchmark | Kimi K2.5 Instant | Olmo 3.1 32b Think |
|---|---|---|
| LMArena Non-English | 1406 | 1210 |
| LMArena Chinese | 1450 | 1241 |
| LMArena French | 1403 | 1262 |
| LMArena German | 1413 | 1260 |
| LMArena Russian | 1404 | 1193 |
| LMArena Spanish | 1448 | 1288 |
| LMArena Korean | 1378 | — |
Instruction Following Kimi K2.5 Instant leads
Kimi K2.5 Instant: 75.5 (#61), Olmo 3.1 32b Think: 65.8 (#213)
| Benchmark | Kimi K2.5 Instant | Olmo 3.1 32b Think |
|---|---|---|
| LMArena Instruction Following | 1430 | 1246 |
Long Context Kimi K2.5 Instant leads
Kimi K2.5 Instant: 43.8 (#82), Olmo 3.1 32b Think: 38.6 (#190)
| Benchmark | Kimi K2.5 Instant | Olmo 3.1 32b Think |
|---|---|---|
| LMArena Longer Query | 1435 | 1272 |
Writing & Preference Kimi K2.5 Instant leads
Kimi K2.5 Instant: 60.8 (#91), Olmo 3.1 32b Think: 46.4 (#215)
| Benchmark | Kimi K2.5 Instant | Olmo 3.1 32b Think |
|---|---|---|
| LMArena Text | 1420 | 1271 |
| LMArena Creative Writing | 1379 | 1226 |
| LMArena Multi-Turn | 1427 | 1252 |
Frequently asked questions
Is Kimi K2.5 Instant better than Olmo 3.1 32b Think?
Kimi K2.5 Instant is the stronger model overall, scoring 42.9 to 37.3 on the Noometry Index.
Is Kimi K2.5 Instant or Olmo 3.1 32b Think better for coding?
Kimi K2.5 Instant scores higher on coding benchmarks: 42.3 versus 37.1 in the Noometry coding category.
How many benchmarks do Kimi K2.5 Instant and Olmo 3.1 32b Think share?
15 benchmarks have published results for both models. Kimi K2.5 Instant has 18 scored results on Noometry and Olmo 3.1 32b Think has 15.