# Claude Haiku 5.5 vs Mistral Nemo

> Claude Haiku 5.5 is the stronger model overall, scoring 49.5 to 26.4 on the Noometry Index.

- Canonical page: https://noometry.com/compare/claude-haiku-5-5-vs-mistral-nemo
- Last updated: 2026-10-12
- Shared benchmarks: 1

## Summary

- They share 1 benchmark with published results for both. Claude Haiku 5.5 scores higher in 3 categories and Mistral Nemo in 0 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in math, where Claude Haiku 5.5 leads 73.6 to 25.5.
- The biggest single-benchmark swing is GPQA Diamond: 89.6% for Claude Haiku 5.5 and 29.9% for Mistral Nemo.
- Mistral Nemo is cheaper at $0.15 / $0.15 per million input/output tokens, against $0.10 / $0.50 for Claude Haiku 5.5.
- Claude Haiku 5.5 accepts more context: 1M tokens versus 128K.
- Mistral Nemo has downloadable open weights; the other is API-only.

## Snapshot

| | Claude Haiku 5.5 | Mistral Nemo |
|---|---|---|
| Provider | Anthropic | Mistral AI |
| Noometry Index | 49.5 | 26.4 |
| Rank | 52 | 337 |
| Context | 1M | 128K |
| Input $/M | $0.10 | $0.15 |
| Output $/M | $0.50 | $0.15 |
| Weights | Proprietary | Open |

## Coding

- Claude Haiku 5.5: 49.2 (#50)
- Mistral Nemo: —

| Benchmark | Claude Haiku 5.5 | Mistral Nemo |
|---|---|---|
| LMArena WebDev | 1587 | — |

## Agentic & Tool Use

- Claude Haiku 5.5: —
- Mistral Nemo: 23.5 (#125)

| Benchmark | Claude Haiku 5.5 | Mistral Nemo |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 27.6% |
| BALROG | — | 17.6% |

## Reasoning

- Claude Haiku 5.5: 35.2 (#69)
- Mistral Nemo: 20.7 (#232)

| Benchmark | Claude Haiku 5.5 | Mistral Nemo |
|---|---|---|
| NYT Connections (extended) | 65.7% | — |
| Mystery Game Puzzles | 30% | — |
| DTBench | — | 48.6% |
| Epoch Capabilities Index | — | 118.68 |
| PIQA | — | 83.5% |

## Math

- Claude Haiku 5.5: 73.6 (#18)
- Mistral Nemo: 25.5 (#268)

| Benchmark | Claude Haiku 5.5 | Mistral Nemo |
|---|---|---|
| FrontierMath (Tiers 1-3) | 75.1% | — |
| FrontierMath Tier 4 | 46.3% | — |
| OTIS Mock AIME 2024-2025 | 98.9% | — |
| MATH Level 5 | — | 10.8% |
| GSM8K | — | 84.2% |

## Knowledge

- Claude Haiku 5.5: 50.8 (#70)
- Mistral Nemo: 12.3 (#298)

| Benchmark | Claude Haiku 5.5 | Mistral Nemo |
|---|---|---|
| GPQA Diamond | 89.6% | 29.9% |
| SimpleQA Verified | 23.8% | — |
| BoolQ | — | 82.5% |

## Multimodal

- Claude Haiku 5.5: 43.7 (#21)
- Mistral Nemo: —

| Benchmark | Claude Haiku 5.5 | Mistral Nemo |
|---|---|---|
| Furniture Assembly | 47.5% | — |

## Writing & Preference

- Claude Haiku 5.5: —
- Mistral Nemo: 28.5 (#296)

| Benchmark | Claude Haiku 5.5 | Mistral Nemo |
|---|---|---|
| EQ-Bench Creative Writing | — | 881 |

## FAQ

### Is Claude Haiku 5.5 better than Mistral Nemo?

Claude Haiku 5.5 is the stronger model overall, scoring 49.5 to 26.4 on the Noometry Index.

### Which is cheaper, Claude Haiku 5.5 or Mistral Nemo?

Mistral Nemo is cheaper. It lists at $0.15 per million input tokens and $0.15 per million output tokens; Claude Haiku 5.5 lists at $0.10 and $0.50.

### Which has the bigger context window?

Claude Haiku 5.5 does, with 1M tokens against 128K.

### How many benchmarks do Claude Haiku 5.5 and Mistral Nemo share?

1 benchmark has published results for both models. Claude Haiku 5.5 has 9 scored results on Noometry and Mistral Nemo has 10.