Compare / MiMo-V2.5-Pro vs MiMo-V2.6-Pro
MiMo-V2.5-Pro vs MiMo-V2.6-Pro
Which is cheaper, which is more capable, and which does better at each kind of work, from 12 results on 2 sources that measured both models.
Results as of 8 October 2026 (catalogue release 2026-10-08-4199ce0620fe).
MiMo-V2.5-Pro or MiMo-V2.6-Pro? The short answer
MiMo-V2.6-Pro is the newer version at about the same price, and it scores higher (Intelligence Index 46.3 against 26.0): upgrade.
- They cost about the same: $0.54 and $0.54 per million tokens (three input to one output).
- MiMo-V2.6-Pro scores higher on the Artificial Analysis Intelligence Index: 46.3 against 26.0.
- MiMo-V2.6-Pro is newer: released 21 Sep 2026, against 23 Apr 2026 for MiMo-V2.5-Pro.
- On third-party benchmarks, on the results both models have: MiMo-V2.6-Pro does better for agents and tool use, reasoning and knowledge and sticking to the facts.
At a glance
| MiMo-V2.5-Pro | MiMo-V2.6-Pro | |
|---|---|---|
| Price per million tokens | $0.43 in · $0.87 out | $0.43 in · $0.87 out |
| Blended (3 in : 1 out) | $0.54 | $0.54 |
| Cheapest host, blended | $0.38 (GMICloud, BF16) | $0.54 (DeepInfra, FP8) |
| Cached input, per million | – | $0.004 cached input |
| Intelligence Index | 26.0 | 46.3 |
| Spring Prompt overall | – | – |
| Output speed, tokens a second | – | 39 |
| Context window | 1,050,000 tokens | 1,050,000 tokens |
| Released | 23 Apr 2026 | 21 Sep 2026 (newer) |
| Weights | Open | Open |
| Developer based in | China | China |
Prices are the developer's list price where we have read it, otherwise the typical host on OpenRouter; see every model's price. Intelligence and speed from Artificial Analysis.
Which is better for what
Each model's rank among models available today, for each kind of work, from our own benchmarks and licensed sources. The better rank is in green.
| Use case | MiMo-V2.5-Pro | MiMo-V2.6-Pro |
|---|---|---|
| Agents and tool useMulti-step tasks with tools: support desks, coding agents, function calls | 90 of 164 | 15 of 164 |
| Reasoning and knowledgeHard questions across science, maths and general knowledge | 63 of 198 | 10 of 198 |
| WritingWhat people prefer in blind comparisons, and judged writing quality | 42 of 188 | 20 of 188 |
| Sticking to the factsSummarising without inventing things, and factual answers | 35 of 152 | 8 of 152 |
Every shared result
Each model's best result on every measure both have, grouped by benchmark, with the setting that produced it. The headline measures of each benchmark come first; the rest are under "Show all". Green marks the better value; where a source reports ranges that overlap, neither is marked.
| Measure | MiMo-V2.5-Pro | MiMo-V2.6-Pro |
|---|---|---|
| Arena (formerly LMArena) reported by Arena (formerly LMArena) · 3 results | ||
| Overall · TextArena rating, higher is better | 1,468 | 1,480 |
| Overall · Text factualityArena rating, higher is better | 1,465 | 1,483 |
| Business, management and finance · TextArena rating, higher is better | 1,471 | 1,461 |
| Artificial Analysis reported by Artificial Analysis · 3 results | ||
| Artificial Analysis Intelligence Indexindex score, higher is better | 26.0thinking reasoning | 46.3 |
| Humanity's Last Exam% of questions, higher is better | 35.7%thinking reasoning | 49.4% |
| Terminal-Bench 4.0% of tasks, higher is better | 0.0%thinking reasoning | 34.8% |
Show all 12 results (6 more)
| Measure | MiMo-V2.5-Pro | MiMo-V2.6-Pro |
|---|---|---|
| Arena (formerly LMArena) reported by Arena (formerly LMArena) · 4 results | ||
| Creative writing · TextArena rating, higher is better | 1,434 | 1,446 |
| Expert prompts · TextArena rating, higher is better | 1,507 | 1,532 |
| Instruction following · TextArena rating, higher is better | 1,469 | 1,474 |
| Writing, literature and language · TextArena rating, higher is better | 1,450 | 1,459 |
| Artificial Analysis reported by Artificial Analysis · 2 results | ||
| Long-context reasoning (AA-LCR)% of questions, higher is better | 79.7%thinking reasoning | 86.3% |
| SciCode% of problems, higher is better | 50.6%thinking reasoning | 60.9% |
Quick answers
Is MiMo-V2.5-Pro better than MiMo-V2.6-Pro?
MiMo-V2.6-Pro is the newer version at about the same price, and it scores higher (Intelligence Index 46.3 against 26.0): upgrade.
Which is cheaper, MiMo-V2.5-Pro or MiMo-V2.6-Pro?
They cost about the same: $0.54 and $0.54 per million tokens (three input to one output).
Run MiMo-V2.5-Pro and MiMo-V2.6-Pro on your own prompt
Benchmarks aren't your data. Try both side by side in the playground, with the cost of every answer.