Model comparison
DeepSeek-V3.1-Terminus vs Kimi K2.5 Instant
DeepSeek-V3.1-Terminus and Kimi K2.5 Instant score almost the same on the Noometry Index (43.1 vs 43.6), so choose on price, context window or the category you care about most.
Last verified . 10 shared benchmarks.
DeepSeekSummary
- They share 10 benchmarks with published results for both. DeepSeek-V3.1-Terminus scores higher in 2 categories and Kimi K2.5 Instant in 5 categories; 2 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Kimi K2.5 Instant leads 29.7 to 26.4.
Side by side
| DeepSeek-V3.1-Terminus | Kimi K2.5 Instant | |
|---|---|---|
| Provider | DeepSeek | Moonshot AI |
| Noometry Index | 43.1 | 43.6 |
| Released | 2025-09-22 | — |
| Weights | Open | Open |
| Context window | 164K | — |
| Max output | 147K | — |
| Input $ / M tokens | $0.27 | — |
| Output $ / M tokens | $1 | — |
| Results tracked | 16 | 18 |
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Category by category
Coding Too close to call
DeepSeek-V3.1-Terminus: 42.0 (#113), Kimi K2.5 Instant: 42.6 (#97)
| Benchmark | DeepSeek-V3.1-Terminus | Kimi K2.5 Instant |
|---|---|---|
| LMArena Coding | 1426 | 1484 |
| LMArena WebDev | — | 1404 |
| SciCode | 40.6% | — |
| ALE-Bench | 745.17 | — |
Reasoning Kimi K2.5 Instant leads
DeepSeek-V3.1-Terminus: 26.4 (#133), Kimi K2.5 Instant: 29.7 (#90)
| Benchmark | DeepSeek-V3.1-Terminus | Kimi K2.5 Instant |
|---|---|---|
| LMArena Hard Prompts | 1426 | 1443 |
| Kagi LLM Benchmark | 57.4% | — |
| CritPt | 1.7% | — |
| DTBench | 81.3% | — |
| LMCA | 28.6% | — |
Math Too close to call
DeepSeek-V3.1-Terminus: 38.5 (#137), Kimi K2.5 Instant: 39.4 (#105)
| Benchmark | DeepSeek-V3.1-Terminus | Kimi K2.5 Instant |
|---|---|---|
| LMArena Math | 1402 | 1442 |
Knowledge Not comparable
DeepSeek-V3.1-Terminus: —, Kimi K2.5 Instant: 40.2 (#123)
| Benchmark | DeepSeek-V3.1-Terminus | Kimi K2.5 Instant |
|---|---|---|
| LMArena Expert | — | 1440 |
Multimodal Not comparable
DeepSeek-V3.1-Terminus: —, Kimi K2.5 Instant: 40.2 (#50)
| Benchmark | DeepSeek-V3.1-Terminus | Kimi K2.5 Instant |
|---|---|---|
| LMArena Vision | — | 1254 |
Multilingual Too close to call
DeepSeek-V3.1-Terminus: 52.1 (#92), Kimi K2.5 Instant: 52.0 (#94)
| Benchmark | DeepSeek-V3.1-Terminus | Kimi K2.5 Instant |
|---|---|---|
| LMArena Non-English | 1407 | 1406 |
| LMArena Russian | 1436 | 1404 |
| LMArena Chinese | — | 1449 |
| LMArena French | — | 1403 |
| LMArena German | — | 1413 |
| LMArena Korean | — | 1378 |
| LMArena Spanish | — | 1447 |
Instruction Following Kimi K2.5 Instant leads
DeepSeek-V3.1-Terminus: 74.0 (#106), Kimi K2.5 Instant: 75.3 (#65)
| Benchmark | DeepSeek-V3.1-Terminus | Kimi K2.5 Instant |
|---|---|---|
| LMArena Instruction Following | 1404 | 1430 |
Long Context Too close to call
DeepSeek-V3.1-Terminus: 43.4 (#97), Kimi K2.5 Instant: 43.9 (#83)
| Benchmark | DeepSeek-V3.1-Terminus | Kimi K2.5 Instant |
|---|---|---|
| LMArena Longer Query | 1421 | 1435 |
Writing & Preference Too close to call
DeepSeek-V3.1-Terminus: 61.0 (#92), Kimi K2.5 Instant: 60.6 (#95)
| Benchmark | DeepSeek-V3.1-Terminus | Kimi K2.5 Instant |
|---|---|---|
| LMArena Text | 1419 | 1420 |
| LMArena Creative Writing | 1403 | 1381 |
| LMArena Multi-Turn | 1411 | 1427 |
Frequently asked questions
Is DeepSeek-V3.1-Terminus better than Kimi K2.5 Instant?
DeepSeek-V3.1-Terminus and Kimi K2.5 Instant score almost the same on the Noometry Index (43.1 vs 43.6), so choose on price, context window or the category you care about most.
Is DeepSeek-V3.1-Terminus or Kimi K2.5 Instant better for coding?
They score almost the same on coding (42.0 vs 42.6); test both on your own repository before choosing.
How many benchmarks do DeepSeek-V3.1-Terminus and Kimi K2.5 Instant share?
10 benchmarks have published results for both models. DeepSeek-V3.1-Terminus has 16 scored results on Noometry and Kimi K2.5 Instant has 18.