Model comparison
DeepSeek-V3.1-Terminus vs MiMo-V2-Omni
DeepSeek-V3.1-Terminus and MiMo-V2-Omni 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.
Summary
- They share 10 benchmarks with published results for both. DeepSeek-V3.1-Terminus scores higher in 1 category and MiMo-V2-Omni in 6 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where MiMo-V2-Omni leads 29.7 to 26.4.
- MiMo-V2-Omni is cheaper at $0.14 / $0.28 per million input/output tokens, against $0.27 / $1 for DeepSeek-V3.1-Terminus.
- MiMo-V2-Omni accepts more context: 262K tokens versus 164K.
- DeepSeek-V3.1-Terminus has downloadable open weights; the other is API-only.
Side by side
| DeepSeek-V3.1-Terminus | MiMo-V2-Omni | |
|---|---|---|
| Provider | DeepSeek | Xiaomi |
| Noometry Index | 43.1 | 43.6 |
| Released | 2025-09-22 | 2026-03-18 |
| Weights | Open | Proprietary |
| Context window | 164K | 262K |
| Max output | 147K | 131K |
| Input $ / M tokens | $0.27 | $0.14 |
| Output $ / M tokens | $1 | $0.28 |
| Results tracked | 16 | 18 |
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Category by category
Coding MiMo-V2-Omni leads
DeepSeek-V3.1-Terminus: 42.0 (#113), MiMo-V2-Omni: 43.3 (#89)
| Benchmark | DeepSeek-V3.1-Terminus | MiMo-V2-Omni |
|---|---|---|
| LMArena Coding | 1426 | 1466 |
| SciCode | 40.6% | — |
| ALE-Bench | 745.17 | — |
Reasoning MiMo-V2-Omni leads
DeepSeek-V3.1-Terminus: 26.4 (#133), MiMo-V2-Omni: 29.7 (#88)
| Benchmark | DeepSeek-V3.1-Terminus | MiMo-V2-Omni |
|---|---|---|
| LMArena Hard Prompts | 1426 | 1445 |
| 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), MiMo-V2-Omni: 39.1 (#115)
| Benchmark | DeepSeek-V3.1-Terminus | MiMo-V2-Omni |
|---|---|---|
| LMArena Math | 1402 | 1430 |
Knowledge Not comparable
DeepSeek-V3.1-Terminus: —, MiMo-V2-Omni: 40.5 (#118)
| Benchmark | DeepSeek-V3.1-Terminus | MiMo-V2-Omni |
|---|---|---|
| LMArena Expert | — | 1449 |
Multimodal Not comparable
DeepSeek-V3.1-Terminus: —, MiMo-V2-Omni: 38.6 (#63)
| Benchmark | DeepSeek-V3.1-Terminus | MiMo-V2-Omni |
|---|---|---|
| LMArena Vision | — | 1228 |
Multilingual Too close to call
DeepSeek-V3.1-Terminus: 52.1 (#92), MiMo-V2-Omni: 51.8 (#102)
| Benchmark | DeepSeek-V3.1-Terminus | MiMo-V2-Omni |
|---|---|---|
| LMArena Non-English | 1407 | 1404 |
| LMArena Russian | 1436 | 1412 |
| LMArena Chinese | — | 1465 |
| LMArena French | — | 1447 |
| LMArena German | — | 1399 |
| LMArena Japanese | — | 1317 |
| LMArena Korean | — | 1355 |
| LMArena Spanish | — | 1434 |
Instruction Following MiMo-V2-Omni leads
DeepSeek-V3.1-Terminus: 74.0 (#106), MiMo-V2-Omni: 75.2 (#66)
| Benchmark | DeepSeek-V3.1-Terminus | MiMo-V2-Omni |
|---|---|---|
| LMArena Instruction Following | 1404 | 1428 |
Long Context Too close to call
DeepSeek-V3.1-Terminus: 43.4 (#97), MiMo-V2-Omni: 44.1 (#76)
| Benchmark | DeepSeek-V3.1-Terminus | MiMo-V2-Omni |
|---|---|---|
| LMArena Longer Query | 1421 | 1442 |
Writing & Preference Too close to call
DeepSeek-V3.1-Terminus: 61.0 (#92), MiMo-V2-Omni: 61.4 (#87)
| Benchmark | DeepSeek-V3.1-Terminus | MiMo-V2-Omni |
|---|---|---|
| LMArena Text | 1419 | 1423 |
| LMArena Creative Writing | 1403 | 1392 |
| LMArena Multi-Turn | 1411 | 1445 |
Frequently asked questions
Is DeepSeek-V3.1-Terminus better than MiMo-V2-Omni?
DeepSeek-V3.1-Terminus and MiMo-V2-Omni 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.
Which is cheaper, DeepSeek-V3.1-Terminus or MiMo-V2-Omni?
MiMo-V2-Omni is cheaper. It lists at $0.14 per million input tokens and $0.28 per million output tokens; DeepSeek-V3.1-Terminus lists at $0.27 and $1.
Is DeepSeek-V3.1-Terminus or MiMo-V2-Omni better for coding?
MiMo-V2-Omni scores higher on coding benchmarks: 43.3 versus 42.0 in the Noometry coding category.
Which has the bigger context window?
MiMo-V2-Omni does, with 262K tokens against 164K.
How many benchmarks do DeepSeek-V3.1-Terminus and MiMo-V2-Omni share?
10 benchmarks have published results for both models. DeepSeek-V3.1-Terminus has 16 scored results on Noometry and MiMo-V2-Omni has 18.