Model comparison
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.
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-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.
Side by side
| Claude Haiku 5.5 | MiMo-V2.6-Pro | |
|---|---|---|
| Provider | Anthropic | Xiaomi |
| Noometry Index | 49.5 | 50.3 |
| Released | 2026-10-07 | 2026-09-21 |
| Weights | Proprietary | Open |
| Context window | 1M | 1.05M |
| Max output | 128K | 131K |
| Input $ / M tokens | $0.10 | $0.43 |
| Output $ / M tokens | $0.50 | $0.87 |
| Results tracked | 9 | 19 |
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Category by category
Coding MiMo-V2.6-Pro leads
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 Not comparable
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 MiMo-V2.6-Pro leads
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 leads
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 leads
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 leads
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 Not comparable
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 Not comparable
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 Not comparable
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 Not comparable
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 |
Frequently asked questions
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.