# Grok 4.20 Multi-Agent vs Olmo 3.1 32b Instruct

> Grok 4.20 Multi-Agent is the stronger model overall, scoring 45.5 to 38.8 on the Noometry Index.

- Canonical page: https://noometry.com/compare/grok-4-20-multi-agent-vs-olmo-3-1-32b-instruct
- Last updated: 2026-10-10
- Shared benchmarks: 16

## Summary

- They share 16 benchmarks with published results for both. Grok 4.20 Multi-Agent scores higher in 8 categories and Olmo 3.1 32b Instruct in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok 4.20 Multi-Agent leads 42.4 to 25.4.
- Olmo 3.1 32b Instruct has downloadable open weights; the other is API-only.

## Snapshot

| | Grok 4.20 Multi-Agent | Olmo 3.1 32b Instruct |
|---|---|---|
| Provider | xAI | Allen Institute for AI (Ai2) |
| Noometry Index | 45.5 | 38.8 |
| Rank | 62 | 168 |
| Context | 1M | — |
| Input $/M | $1.25 | — |
| Output $/M | $2.50 | — |
| Weights | Proprietary | Open |

## Coding

- Grok 4.20 Multi-Agent: 42.4 (#91)
- Olmo 3.1 32b Instruct: 38.9 (#154)

| Benchmark | Grok 4.20 Multi-Agent | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Coding | 1458 | 1346 |

## Agentic & Tool Use

- Grok 4.20 Multi-Agent: —
- Olmo 3.1 32b Instruct: —

| Benchmark | Grok 4.20 Multi-Agent | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Search | 1204 | — |

## Reasoning

- Grok 4.20 Multi-Agent: 42.4 (#44)
- Olmo 3.1 32b Instruct: 25.4 (#131)

| Benchmark | Grok 4.20 Multi-Agent | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Hard Prompts | 1448 | 1322 |
| NYT Connections (extended) | 89.6% | — |

## Math

- Grok 4.20 Multi-Agent: 36.6 (#106)
- Olmo 3.1 32b Instruct: 33.6 (#169)

| Benchmark | Grok 4.20 Multi-Agent | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Math | 1441 | 1305 |

## Knowledge

- Grok 4.20 Multi-Agent: 39.7 (#116)
- Olmo 3.1 32b Instruct: 35.4 (#175)

| Benchmark | Grok 4.20 Multi-Agent | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Expert | 1445 | 1307 |

## Multimodal

- Grok 4.20 Multi-Agent: 39.8 (#44)
- Olmo 3.1 32b Instruct: —

| Benchmark | Grok 4.20 Multi-Agent | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Vision | 1259 | — |

## Multilingual

- Grok 4.20 Multi-Agent: 54.6 (#40)
- Olmo 3.1 32b Instruct: 42.8 (#185)

| Benchmark | Grok 4.20 Multi-Agent | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Non-English | 1440 | 1275 |
| LMArena Chinese | 1475 | 1304 |
| LMArena French | 1467 | 1328 |
| LMArena German | 1456 | 1283 |
| LMArena Korean | 1416 | 1206 |
| LMArena Russian | 1457 | 1268 |
| LMArena Spanish | 1447 | 1337 |
| LMArena Japanese | 1405 | — |

## Instruction Following

- Grok 4.20 Multi-Agent: 75.0 (#80)
- Olmo 3.1 32b Instruct: 68.8 (#182)

| Benchmark | Grok 4.20 Multi-Agent | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Instruction Following | 1420 | 1298 |

## Long Context

- Grok 4.20 Multi-Agent: 43.7 (#84)
- Olmo 3.1 32b Instruct: 39.9 (#161)

| Benchmark | Grok 4.20 Multi-Agent | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Longer Query | 1430 | 1312 |

## Writing & Preference

- Grok 4.20 Multi-Agent: 64.1 (#57)
- Olmo 3.1 32b Instruct: 50.4 (#179)

| Benchmark | Grok 4.20 Multi-Agent | Olmo 3.1 32b Instruct |
|---|---|---|
| LMArena Text | 1450 | 1311 |
| LMArena Creative Writing | 1435 | 1264 |
| LMArena Multi-Turn | 1451 | 1309 |

## FAQ

### Is Grok 4.20 Multi-Agent better than Olmo 3.1 32b Instruct?

Grok 4.20 Multi-Agent is the stronger model overall, scoring 45.5 to 38.8 on the Noometry Index.

### Is Grok 4.20 Multi-Agent or Olmo 3.1 32b Instruct better for coding?

Grok 4.20 Multi-Agent scores higher on coding benchmarks: 42.4 versus 38.9 in the Noometry coding category.

### How many benchmarks do Grok 4.20 Multi-Agent and Olmo 3.1 32b Instruct share?

16 benchmarks have published results for both models. Grok 4.20 Multi-Agent has 20 scored results on Noometry and Olmo 3.1 32b Instruct has 16.