# Claude Haiku 5.5 vs MiMo-V2.6-Pro

> Claude Haiku 5.5 and MiMo-V2.6-Pro score almost the same on the Noometry Index (49.5 vs 50.3), so choose on price, context window or the category you care about most.

- Canonical page: https://noometry.com/compare/claude-haiku-5-5-vs-mimo-v2-6-pro
- Last updated: 2026-10-10
- Shared benchmarks: 1

## Summary

- They share 1 benchmark with published results for both. Claude Haiku 5.5 scores higher in 3 categories and MiMo-V2.6-Pro in 2 categories; 5 gaps are clear of the uncertainty.
- The widest gap is in math, where Claude Haiku 5.5 leads 73.6 to 54.5.
- Claude Haiku 5.5 is cheaper at $0.10 / $0.50 per million input/output tokens, against $0.43 / $0.87 for MiMo-V2.6-Pro.
- MiMo-V2.6-Pro accepts more context: 1.05M tokens versus 1M.
- MiMo-V2.6-Pro has downloadable open weights; the other is API-only.

## Snapshot

| | Claude Haiku 5.5 | MiMo-V2.6-Pro |
|---|---|---|
| Provider | Anthropic | Xiaomi |
| Noometry Index | 49.5 | 50.3 |
| Rank | 52 | 49 |
| Context | 1M | 1.05M |
| Input $/M | $0.10 | $0.43 |
| Output $/M | $0.50 | $0.87 |
| Weights | Proprietary | Open |

## Coding

- Claude Haiku 5.5: 49.2 (#50)
- MiMo-V2.6-Pro: 55.5 (#23)

| Benchmark | Claude Haiku 5.5 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena WebDev | 1587 | 1629 |
| SciCode | — | 60.9% |
| LMArena Coding | — | 1534 |
| ALE-Bench | — | 1,158 |

## Agentic & Tool Use

- Claude Haiku 5.5: —
- MiMo-V2.6-Pro: 37.5 (#35)

| Benchmark | Claude Haiku 5.5 | MiMo-V2.6-Pro |
|---|---|---|
| APEX-Agents | — | 59.5% |

## Reasoning

- Claude Haiku 5.5: 35.2 (#69)
- MiMo-V2.6-Pro: 43.1 (#50)

| Benchmark | Claude Haiku 5.5 | MiMo-V2.6-Pro |
|---|---|---|
| NYT Connections (extended) | 65.7% | — |
| CritPt | — | 26.6% |
| LMArena Hard Prompts | — | 1512 |
| Mystery Game Puzzles | 30% | — |

## Math

- Claude Haiku 5.5: 73.6 (#18)
- MiMo-V2.6-Pro: 54.5 (#45)

| Benchmark | Claude Haiku 5.5 | MiMo-V2.6-Pro |
|---|---|---|
| FrontierMath (Tiers 1-3) | 75.1% | — |
| FrontierMath Tier 4 | 46.3% | — |
| OTIS Mock AIME 2024-2025 | 98.9% | — |
| ProofBench | — | 70% |
| LMArena Math | — | 1494 |

## Knowledge

- Claude Haiku 5.5: 50.8 (#70)
- MiMo-V2.6-Pro: 43.5 (#92)

| Benchmark | Claude Haiku 5.5 | MiMo-V2.6-Pro |
|---|---|---|
| GPQA Diamond | 89.6% | — |
| SimpleQA Verified | 23.8% | — |
| LMArena Expert | — | 1543 |

## Multimodal

- Claude Haiku 5.5: 43.7 (#21)
- MiMo-V2.6-Pro: 40.8 (#43)

| Benchmark | Claude Haiku 5.5 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Vision | — | 1264 |
| Furniture Assembly | 47.5% | — |

## Multilingual

- Claude Haiku 5.5: —
- MiMo-V2.6-Pro: 56.9 (#14)

| Benchmark | Claude Haiku 5.5 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Non-English | — | 1474 |
| LMArena Chinese | — | 1529 |
| LMArena Russian | — | 1480 |

## Instruction Following

- Claude Haiku 5.5: —
- MiMo-V2.6-Pro: 78.2 (#12)

| Benchmark | Claude Haiku 5.5 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Instruction Following | — | 1493 |

## Long Context

- Claude Haiku 5.5: —
- MiMo-V2.6-Pro: 46.0 (#27)

| Benchmark | Claude Haiku 5.5 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Longer Query | — | 1501 |

## Writing & Preference

- Claude Haiku 5.5: —
- MiMo-V2.6-Pro: 66.8 (#33)

| Benchmark | Claude Haiku 5.5 | MiMo-V2.6-Pro |
|---|---|---|
| LMArena Text | — | 1492 |
| LMArena Creative Writing | — | 1468 |
| LMArena Multi-Turn | — | 1464 |

## FAQ

### Is Claude Haiku 5.5 better than MiMo-V2.6-Pro?

Claude Haiku 5.5 and MiMo-V2.6-Pro score almost the same on the Noometry Index (49.5 vs 50.3), so choose on price, context window or the category you care about most.

### Which is cheaper, Claude Haiku 5.5 or MiMo-V2.6-Pro?

Claude Haiku 5.5 is cheaper. It lists at $0.10 per million input tokens and $0.50 per million output tokens; MiMo-V2.6-Pro lists at $0.43 and $0.87.

### Is Claude Haiku 5.5 or MiMo-V2.6-Pro better for coding?

MiMo-V2.6-Pro scores higher on coding benchmarks: 55.5 versus 49.2 in the Noometry coding category.

### Which has the bigger context window?

MiMo-V2.6-Pro does, with 1.05M tokens against 1M.

### How many benchmarks do Claude Haiku 5.5 and MiMo-V2.6-Pro share?

1 benchmark has published results for both models. Claude Haiku 5.5 has 9 scored results on Noometry and MiMo-V2.6-Pro has 19.