Model comparison
Gemini 2.5 Flash vs MiMo-V2.6-Flash
MiMo-V2.6-Flash is the stronger model overall, scoring 44.4 to 39.0 on the Noometry Index.
Last verified . 13 shared benchmarks.
GoogleSummary
- They share 13 benchmarks with published results for both. Gemini 2.5 Flash scores higher in 3 categories and MiMo-V2.6-Flash in 6 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where MiMo-V2.6-Flash leads 29.6 to 18.2.
- MiMo-V2.6-Flash is cheaper at $0.14 / $0.28 per million input/output tokens, against $0.30 / $2.50 for Gemini 2.5 Flash.
- MiMo-V2.6-Flash has downloadable open weights; the other is API-only.
Side by side
| Gemini 2.5 Flash | MiMo-V2.6-Flash | |
|---|---|---|
| Provider | Xiaomi | |
| Noometry Index | 39.0 | 44.4 |
| Released | 2025-04-17 | 2026-09-22 |
| Weights | Proprietary | Open |
| Context window | 1.05M | 1.05M |
| Max output | 66K | 131K |
| Input $ / M tokens | $0.30 | $0.14 |
| Output $ / M tokens | $2.50 | $0.28 |
| Results tracked | 54 | 13 |
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Category by category
Coding MiMo-V2.6-Flash leads
Gemini 2.5 Flash: 35.5 (#210), MiMo-V2.6-Flash: 44.3 (#68)
| Benchmark | Gemini 2.5 Flash | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Coding | 1424 | 1516 |
| SWE-bench Verified (bash only) | 28.7% | — |
| Aider Polyglot | 55.1% | — |
| WeirdML | 41.9% | — |
| ALE-Bench | 661.88 | — |
Agentic & Tool Use Not comparable
Gemini 2.5 Flash: 30.6 (#67), MiMo-V2.6-Flash: —
| Benchmark | Gemini 2.5 Flash | MiMo-V2.6-Flash |
|---|---|---|
| Terminal-Bench | 17.1% | — |
| Berkeley Function Calling Leaderboard | 56.2% | — |
| TheAgentCompany | 41.1% | — |
| BALROG | 33.5% | — |
| Vending-Bench 2 | 548.84 | — |
Reasoning MiMo-V2.6-Flash leads
Gemini 2.5 Flash: 18.2 (#271), MiMo-V2.6-Flash: 29.6 (#82)
| Benchmark | Gemini 2.5 Flash | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Hard Prompts | 1422 | 1481 |
| ARC-AGI-2 | 2.5% | — |
| SimpleBench | 41.2% | — |
| Kagi LLM Benchmark | 56.8% | — |
| ARC-AGI-1 | 33.3% | — |
| CritPt | 1.1% | — |
| EnigmaEval | 2.7% | — |
| DTBench | 76.5% | — |
| LMCA | 27.5% | — |
| Epoch Capabilities Index | 143.04 | — |
| ForecastBench | 60.6 | — |
Math Too close to call
Gemini 2.5 Flash: 38.1 (#87), MiMo-V2.6-Flash: 37.4 (#97)
| Benchmark | Gemini 2.5 Flash | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Math | 1415 | 1477 |
| OTIS Mock AIME 2024-2025 | 73.1% | — |
| Omni-MATH | 38.5% | — |
| FrontierMath (Feb 2025 set) | 4.8% | — |
| FrontierMath Tier 4 (v1) | 4.2% | — |
Knowledge MiMo-V2.6-Flash leads
Gemini 2.5 Flash: 36.1 (#162), MiMo-V2.6-Flash: 42.0 (#91)
| Benchmark | Gemini 2.5 Flash | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Expert | 1426 | 1516 |
| Humanity's Last Exam | 12.1% | — |
| MMLU-Pro | 63.9% | — |
| Confabulations | 16.8% | — |
| Vectara Hallucination Rate | 7.8% | — |
| GPQA (HELM) | 39% | — |
Multimodal Too close to call
Gemini 2.5 Flash: 41.2 (#31), MiMo-V2.6-Flash: 40.2 (#39)
| Benchmark | Gemini 2.5 Flash | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Vision | 1254 | 1266 |
| GeoBench | 76% | — |
| VPCT | 46.2% | — |
| SpatialViz-Bench | 36.9% | — |
Multilingual MiMo-V2.6-Flash leads
Gemini 2.5 Flash: 52.5 (#83), MiMo-V2.6-Flash: 54.6 (#41)
| Benchmark | Gemini 2.5 Flash | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Non-English | 1410 | 1439 |
| LMArena Chinese | 1450 | 1501 |
| LMArena Russian | 1415 | 1424 |
| LMArena French | 1433 | — |
| LMArena German | 1419 | — |
| LMArena Japanese | 1403 | — |
| LMArena Korean | 1385 | — |
| LMArena Spanish | 1421 | — |
Instruction Following MiMo-V2.6-Flash leads
Gemini 2.5 Flash: 75.9 (#50), MiMo-V2.6-Flash: 77.0 (#33)
| Benchmark | Gemini 2.5 Flash | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Instruction Following | 1405 | 1463 |
| IFEval | 89.8% | — |
Long Context Gemini 2.5 Flash leads
Gemini 2.5 Flash: 47.5 (#16), MiMo-V2.6-Flash: 44.8 (#52)
| Benchmark | Gemini 2.5 Flash | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Longer Query | 1419 | 1465 |
| Fiction.LiveBench | 77.8% | — |
Writing & Preference MiMo-V2.6-Flash leads
Gemini 2.5 Flash: 54.0 (#153), MiMo-V2.6-Flash: 63.9 (#61)
| Benchmark | Gemini 2.5 Flash | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Text | 1417 | 1459 |
| LMArena Creative Writing | 1400 | 1408 |
| LMArena Multi-Turn | 1408 | 1460 |
| Short-Story Creative Writing | 76.5% | — |
| EQ-Bench Creative Writing | 1137 | — |
| WildBench | 81.7% | — |
Frequently asked questions
Is Gemini 2.5 Flash better than MiMo-V2.6-Flash?
MiMo-V2.6-Flash is the stronger model overall, scoring 44.4 to 39.0 on the Noometry Index.
Which is cheaper, Gemini 2.5 Flash or MiMo-V2.6-Flash?
MiMo-V2.6-Flash is cheaper. It lists at $0.14 per million input tokens and $0.28 per million output tokens; Gemini 2.5 Flash lists at $0.30 and $2.50.
Is Gemini 2.5 Flash or MiMo-V2.6-Flash better for coding?
MiMo-V2.6-Flash scores higher on coding benchmarks: 44.3 versus 35.5 in the Noometry coding category.
Which has the bigger context window?
Both accept 1.05M tokens.
How many benchmarks do Gemini 2.5 Flash and MiMo-V2.6-Flash share?
13 benchmarks have published results for both models. Gemini 2.5 Flash has 54 scored results on Noometry and MiMo-V2.6-Flash has 13.