Model comparison
Claude Haiku 5.5 vs MiMo-V2.6-Flash
Claude Haiku 5.5 and MiMo-V2.6-Flash score almost the same on the Noometry Index (49.5 vs 48.5), so choose on price, context window or the category you care about most.
Last verified . 1 shared benchmarks.
Summary
- They share 1 benchmark with published results for both. Claude Haiku 5.5 scores higher in 3 categories and MiMo-V2.6-Flash 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 51.9.
- MiMo-V2.6-Flash is cheaper at $0.14 / $0.28 per million input/output tokens, against $0.10 / $0.50 for Claude Haiku 5.5.
- MiMo-V2.6-Flash accepts more context: 1.05M tokens versus 1M.
- MiMo-V2.6-Flash has downloadable open weights; the other is API-only.
Side by side
| Claude Haiku 5.5 | MiMo-V2.6-Flash | |
|---|---|---|
| Provider | Anthropic | Xiaomi |
| Noometry Index | 49.5 | 48.5 |
| Released | 2026-10-07 | 2026-09-21 |
| Weights | Proprietary | Open |
| Context window | 1M | 1.05M |
| Max output | 128K | 131K |
| Input $ / M tokens | $0.10 | $0.14 |
| Output $ / M tokens | $0.50 | $0.28 |
| Results tracked | 9 | 19 |
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Category by category
Coding MiMo-V2.6-Flash leads
Claude Haiku 5.5: 49.2 (#50), MiMo-V2.6-Flash: 53.4 (#30)
| Benchmark | Claude Haiku 5.5 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena WebDev | 1587 | 1637 |
| SciCode | — | 51.3% |
| LMArena Coding | — | 1504 |
Reasoning MiMo-V2.6-Flash leads
Claude Haiku 5.5: 35.2 (#69), MiMo-V2.6-Flash: 36.5 (#66)
| Benchmark | Claude Haiku 5.5 | MiMo-V2.6-Flash |
|---|---|---|
| NYT Connections (extended) | 65.7% | — |
| CritPt | — | 12% |
| LMArena Hard Prompts | — | 1482 |
| Mystery Game Puzzles | 30% | — |
Math Claude Haiku 5.5 leads
Claude Haiku 5.5: 73.6 (#18), MiMo-V2.6-Flash: 51.9 (#52)
| Benchmark | Claude Haiku 5.5 | MiMo-V2.6-Flash |
|---|---|---|
| FrontierMath (Tiers 1-3) | 75.1% | — |
| FrontierMath Tier 4 | 46.3% | — |
| OTIS Mock AIME 2024-2025 | 98.9% | — |
| ProofBench | — | 63% |
| LMArena Math | — | 1468 |
Knowledge Claude Haiku 5.5 leads
Claude Haiku 5.5: 50.8 (#70), MiMo-V2.6-Flash: 42.2 (#99)
| Benchmark | Claude Haiku 5.5 | MiMo-V2.6-Flash |
|---|---|---|
| GPQA Diamond | 89.6% | — |
| SimpleQA Verified | 23.8% | — |
| LMArena Expert | — | 1501 |
Multimodal Claude Haiku 5.5 leads
Claude Haiku 5.5: 43.7 (#21), MiMo-V2.6-Flash: 40.5 (#47)
| Benchmark | Claude Haiku 5.5 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Vision | — | 1259 |
| Furniture Assembly | 47.5% | — |
Multilingual Not comparable
Claude Haiku 5.5: —, MiMo-V2.6-Flash: 54.0 (#51)
| Benchmark | Claude Haiku 5.5 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Non-English | — | 1434 |
| LMArena Chinese | — | 1511 |
| LMArena French | — | 1475 |
| LMArena Russian | — | 1409 |
| LMArena Spanish | — | 1456 |
Instruction Following Not comparable
Claude Haiku 5.5: —, MiMo-V2.6-Flash: 76.8 (#35)
| Benchmark | Claude Haiku 5.5 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Instruction Following | — | 1463 |
Long Context Not comparable
Claude Haiku 5.5: —, MiMo-V2.6-Flash: 44.8 (#57)
| Benchmark | Claude Haiku 5.5 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Longer Query | — | 1463 |
Writing & Preference Not comparable
Claude Haiku 5.5: —, MiMo-V2.6-Flash: 63.1 (#67)
| Benchmark | Claude Haiku 5.5 | MiMo-V2.6-Flash |
|---|---|---|
| LMArena Text | — | 1455 |
| LMArena Creative Writing | — | 1400 |
| LMArena Multi-Turn | — | 1451 |
Frequently asked questions
Is Claude Haiku 5.5 better than MiMo-V2.6-Flash?
Claude Haiku 5.5 and MiMo-V2.6-Flash score almost the same on the Noometry Index (49.5 vs 48.5), so choose on price, context window or the category you care about most.
Which is cheaper, Claude Haiku 5.5 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; Claude Haiku 5.5 lists at $0.10 and $0.50.
Is Claude Haiku 5.5 or MiMo-V2.6-Flash better for coding?
MiMo-V2.6-Flash scores higher on coding benchmarks: 53.4 versus 49.2 in the Noometry coding category.
Which has the bigger context window?
MiMo-V2.6-Flash does, with 1.05M tokens against 1M.
How many benchmarks do Claude Haiku 5.5 and MiMo-V2.6-Flash share?
1 benchmark has published results for both models. Claude Haiku 5.5 has 9 scored results on Noometry and MiMo-V2.6-Flash has 19.