# Granite 4.0 Micro vs Grok 4.20 Multi-Agent

> Grok 4.20 Multi-Agent is the stronger model overall, scoring 45.5 to 28.8 on the Noometry Index. Granite 4.0 Micro costs 38× less per token, which makes it the better buy when Grok 4.20 Multi-Agent's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/granite-4-0-micro-vs-grok-4-20-multi-agent
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in knowledge, where Grok 4.20 Multi-Agent leads 39.7 to 9.9.
- Granite 4.0 Micro is cheaper at $0.017 / $0.11 per million input/output tokens, against $1.25 / $2.50 for Grok 4.20 Multi-Agent.
- Grok 4.20 Multi-Agent accepts more context: 1M tokens versus 131K.
- Granite 4.0 Micro has downloadable open weights; the other is API-only.

## Snapshot

| | Granite 4.0 Micro | Grok 4.20 Multi-Agent |
|---|---|---|
| Provider | IBM | xAI |
| Noometry Index | 28.8 | 45.5 |
| Rank | 312 | 62 |
| Context | 131K | 1M |
| Input $/M | $0.017 | $1.25 |
| Output $/M | $0.11 | $2.50 |
| Weights | Open | Proprietary |

## Coding

- Granite 4.0 Micro: —
- Grok 4.20 Multi-Agent: 42.4 (#91)

| Benchmark | Granite 4.0 Micro | Grok 4.20 Multi-Agent |
|---|---|---|
| LMArena Coding | — | 1458 |

## Agentic & Tool Use

- Granite 4.0 Micro: —
- Grok 4.20 Multi-Agent: —

| Benchmark | Granite 4.0 Micro | Grok 4.20 Multi-Agent |
|---|---|---|
| LMArena Search | — | 1204 |

## Reasoning

- Granite 4.0 Micro: 18.5 (#261)
- Grok 4.20 Multi-Agent: 42.4 (#44)

| Benchmark | Granite 4.0 Micro | Grok 4.20 Multi-Agent |
|---|---|---|
| NYT Connections (extended) | — | 89.6% |
| Chess Puzzles | 0% | — |
| LMArena Hard Prompts | — | 1448 |

## Math

- Granite 4.0 Micro: 11.2 (#301)
- Grok 4.20 Multi-Agent: 36.6 (#106)

| Benchmark | Granite 4.0 Micro | Grok 4.20 Multi-Agent |
|---|---|---|
| OTIS Mock AIME 2024-2025 | 2.8% | — |
| Omni-MATH | 20.9% | — |
| LMArena Math | — | 1441 |

## Knowledge

- Granite 4.0 Micro: 9.9 (#299)
- Grok 4.20 Multi-Agent: 39.7 (#116)

| Benchmark | Granite 4.0 Micro | Grok 4.20 Multi-Agent |
|---|---|---|
| GPQA Diamond | 28.3% | — |
| MMLU-Pro | 39.5% | — |
| GPQA (HELM) | 30.7% | — |
| LMArena Expert | — | 1445 |

## Multimodal

- Granite 4.0 Micro: —
- Grok 4.20 Multi-Agent: 39.8 (#44)

| Benchmark | Granite 4.0 Micro | Grok 4.20 Multi-Agent |
|---|---|---|
| LMArena Vision | — | 1259 |

## Multilingual

- Granite 4.0 Micro: —
- Grok 4.20 Multi-Agent: 54.6 (#40)

| Benchmark | Granite 4.0 Micro | Grok 4.20 Multi-Agent |
|---|---|---|
| LMArena Non-English | — | 1440 |
| LMArena Chinese | — | 1475 |
| LMArena French | — | 1467 |
| LMArena German | — | 1456 |
| LMArena Japanese | — | 1405 |
| LMArena Korean | — | 1416 |
| LMArena Russian | — | 1457 |
| LMArena Spanish | — | 1447 |

## Instruction Following

- Granite 4.0 Micro: 70.0 (#164)
- Grok 4.20 Multi-Agent: 75.0 (#80)

| Benchmark | Granite 4.0 Micro | Grok 4.20 Multi-Agent |
|---|---|---|
| IFEval | 84.9% | — |
| LMArena Instruction Following | — | 1420 |

## Long Context

- Granite 4.0 Micro: —
- Grok 4.20 Multi-Agent: 43.7 (#84)

| Benchmark | Granite 4.0 Micro | Grok 4.20 Multi-Agent |
|---|---|---|
| LMArena Longer Query | — | 1430 |

## Writing & Preference

- Granite 4.0 Micro: 46.7 (#212)
- Grok 4.20 Multi-Agent: 64.1 (#57)

| Benchmark | Granite 4.0 Micro | Grok 4.20 Multi-Agent |
|---|---|---|
| LMArena Text | — | 1450 |
| LMArena Creative Writing | — | 1435 |
| WildBench | 67% | — |
| LMArena Multi-Turn | — | 1451 |

## FAQ

### Is Granite 4.0 Micro better than Grok 4.20 Multi-Agent?

Grok 4.20 Multi-Agent is the stronger model overall, scoring 45.5 to 28.8 on the Noometry Index. Granite 4.0 Micro costs 38× less per token, which makes it the better buy when Grok 4.20 Multi-Agent's lead doesn't matter for your workload.

### Which is cheaper, Granite 4.0 Micro or Grok 4.20 Multi-Agent?

Granite 4.0 Micro is cheaper. It lists at $0.017 per million input tokens and $0.11 per million output tokens; Grok 4.20 Multi-Agent lists at $1.25 and $2.50.

### Which has the bigger context window?

Grok 4.20 Multi-Agent does, with 1M tokens against 131K.

### How many benchmarks do Granite 4.0 Micro and Grok 4.20 Multi-Agent share?

0 benchmarks have published results for both models. Granite 4.0 Micro has 8 scored results on Noometry and Grok 4.20 Multi-Agent has 20.