Model comparison
GPT-5 Pro vs MiMo-V2.6-Flash
MiMo-V2.6-Flash is the stronger model overall, scoring 48.5 to 46.4 on the Noometry Index.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in knowledge, where GPT-5 Pro leads 56.7 to 42.2.
- MiMo-V2.6-Flash is cheaper at $0.14 / $0.28 per million input/output tokens, against $15 / $120 for GPT-5 Pro.
- MiMo-V2.6-Flash accepts more context: 1.05M tokens versus 400K.
- MiMo-V2.6-Flash has downloadable open weights; the other is API-only.
Side by side
| GPT-5 Pro | MiMo-V2.6-Flash | |
|---|---|---|
| Provider | OpenAI | Xiaomi |
| Noometry Index | 46.4 | 48.5 |
| Released | 2025-10-06 | 2026-09-21 |
| Weights | Proprietary | Open |
| Context window | 400K | 1.05M |
| Max output | 272K | 131K |
| Input $ / M tokens | $15 | $0.14 |
| Output $ / M tokens | $120 | $0.28 |
| Results tracked | 12 | 19 |
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Category by category
Coding MiMo-V2.6-Flash leads
GPT-5 Pro: 44.0 (#80), MiMo-V2.6-Flash: 53.4 (#30)
| Benchmark | GPT-5 Pro | MiMo-V2.6-Flash |
|---|---|---|
| LMArena WebDev | — | 1637 |
| SciCode | — | 51.3% |
| WeirdML | 60.4% | — |
| LMArena Coding | — | 1504 |
| AlgoTune | 1.31 | — |
Reasoning GPT-5 Pro leads
GPT-5 Pro: 38.9 (#62), MiMo-V2.6-Flash: 36.5 (#66)
| Benchmark | GPT-5 Pro | MiMo-V2.6-Flash |
|---|---|---|
| ARC-AGI-2 | 18.3% | — |
| SimpleBench | 61.6% | — |
| Kagi LLM Benchmark | 76.8% | — |
| ARC-AGI-1 | 70.2% | — |
| CritPt | — | 12% |
| EnigmaEval | 18.8% | — |
| LMArena Hard Prompts | — | 1482 |
| Epoch Capabilities Index | 150.28 | — |
Math MiMo-V2.6-Flash leads
GPT-5 Pro: 48.5 (#63), MiMo-V2.6-Flash: 51.9 (#52)
| Benchmark | GPT-5 Pro | MiMo-V2.6-Flash |
|---|---|---|
| FrontierMath (Tiers 1-3) | 55.8% | — |
| FrontierMath Tier 4 | 19.5% | — |
| ProofBench | — | 63% |
| LMArena Math | — | 1468 |
| FrontierMath Tier 4 (v1) | 14.6% | — |
Knowledge GPT-5 Pro leads
GPT-5 Pro: 56.7 (#42), MiMo-V2.6-Flash: 42.2 (#99)
| Benchmark | GPT-5 Pro | MiMo-V2.6-Flash |
|---|---|---|
| Humanity's Last Exam | 31.6% | — |
| LMArena Expert | — | 1501 |
Multimodal Not comparable
GPT-5 Pro: —, MiMo-V2.6-Flash: 40.5 (#47)
| Benchmark | GPT-5 Pro | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Vision | — | 1259 |
Multilingual Not comparable
GPT-5 Pro: —, MiMo-V2.6-Flash: 54.0 (#51)
| Benchmark | GPT-5 Pro | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Non-English | — | 1434 |
| LMArena Chinese | — | 1511 |
| LMArena French | — | 1475 |
| LMArena Russian | — | 1409 |
| LMArena Spanish | — | 1456 |
Instruction Following Not comparable
GPT-5 Pro: —, MiMo-V2.6-Flash: 76.8 (#35)
| Benchmark | GPT-5 Pro | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Instruction Following | — | 1463 |
Long Context Not comparable
GPT-5 Pro: —, MiMo-V2.6-Flash: 44.8 (#57)
| Benchmark | GPT-5 Pro | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Longer Query | — | 1463 |
Writing & Preference Not comparable
GPT-5 Pro: —, MiMo-V2.6-Flash: 63.1 (#67)
| Benchmark | GPT-5 Pro | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Text | — | 1455 |
| LMArena Creative Writing | — | 1400 |
| LMArena Multi-Turn | — | 1451 |
Frequently asked questions
Is GPT-5 Pro better than MiMo-V2.6-Flash?
MiMo-V2.6-Flash is the stronger model overall, scoring 48.5 to 46.4 on the Noometry Index.
Which is cheaper, GPT-5 Pro 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; GPT-5 Pro lists at $15 and $120.
Is GPT-5 Pro or MiMo-V2.6-Flash better for coding?
MiMo-V2.6-Flash scores higher on coding benchmarks: 53.4 versus 44.0 in the Noometry coding category.
Which has the bigger context window?
MiMo-V2.6-Flash does, with 1.05M tokens against 400K.
How many benchmarks do GPT-5 Pro and MiMo-V2.6-Flash share?
0 benchmarks have published results for both models. GPT-5 Pro has 12 scored results on Noometry and MiMo-V2.6-Flash has 19.