Model comparison
Amazon Nova Micro vs Grok 4.20 Multi-Agent
Grok 4.20 Multi-Agent is the stronger model overall, scoring 46.2 to 30.4 on the Noometry Index. Amazon Nova Micro costs 26× less per token, which makes it the better buy when Grok 4.20 Multi-Agent's lead doesn't matter for your workload.
Last verified . 17 shared benchmarks.
Summary
- They share 17 benchmarks with published results for both. Amazon Nova Micro scores higher in 0 categories and Grok 4.20 Multi-Agent in 8 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok 4.20 Multi-Agent leads 43.9 to 17.4.
- Amazon Nova Micro is cheaper at $0.035 / $0.14 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 128K.
Side by side
| Amazon Nova Micro | Grok 4.20 Multi-Agent | |
|---|---|---|
| Provider | Amazon | xAI |
| Noometry Index | 30.4 | 46.2 |
| Released | 2024-12-03 | 2026-03-09 |
| Weights | Proprietary | Proprietary |
| Context window | 128K | 1M |
| Max output | 10K | 30K |
| Input $ / M tokens | $0.035 | $1.25 |
| Output $ / M tokens | $0.14 | $2.50 |
| Results tracked | 32 | 20 |
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Category by category
Coding Grok 4.20 Multi-Agent leads
Amazon Nova Micro: 30.5 (#295), Grok 4.20 Multi-Agent: 43.0 (#92)
| Benchmark | Amazon Nova Micro | Grok 4.20 Multi-Agent |
|---|---|---|
| LMArena Coding | 1218 | 1457 |
| LiveBench Coding | 20.2% | — |
Agentic & Tool Use Not comparable
Amazon Nova Micro: 22.1 (#132), Grok 4.20 Multi-Agent: —
| Benchmark | Amazon Nova Micro | Grok 4.20 Multi-Agent |
|---|---|---|
| Berkeley Function Calling Leaderboard | 22.3% | — |
| LMArena Search | — | 1204 |
Reasoning Grok 4.20 Multi-Agent leads
Amazon Nova Micro: 17.4 (#294), Grok 4.20 Multi-Agent: 43.9 (#48)
| Benchmark | Amazon Nova Micro | Grok 4.20 Multi-Agent |
|---|---|---|
| LMArena Hard Prompts | 1191 | 1448 |
| NYT Connections (extended) | — | 89.6% |
| LiveBench Reasoning | 25.1% | — |
| LiveBench Data Analysis | 34% | — |
| LiveBench | 29.6% | — |
Math Grok 4.20 Multi-Agent leads
Amazon Nova Micro: 26.9 (#254), Grok 4.20 Multi-Agent: 39.4 (#104)
| Benchmark | Amazon Nova Micro | Grok 4.20 Multi-Agent |
|---|---|---|
| LMArena Math | 1206 | 1442 |
| Omni-MATH | 21.4% | — |
| LiveBench Math | 34.5% | — |
Knowledge Grok 4.20 Multi-Agent leads
Amazon Nova Micro: 29.6 (#237), Grok 4.20 Multi-Agent: 40.4 (#119)
| Benchmark | Amazon Nova Micro | Grok 4.20 Multi-Agent |
|---|---|---|
| LMArena Expert | 1184 | 1445 |
| MMLU-Pro | 51.1% | — |
| Vectara Hallucination Rate | 5.5% | — |
| GPQA (HELM) | 38.3% | — |
| MMLU | 70.8% | — |
Multimodal Not comparable
Amazon Nova Micro: —, Grok 4.20 Multi-Agent: 40.5 (#48)
| Benchmark | Amazon Nova Micro | Grok 4.20 Multi-Agent |
|---|---|---|
| LMArena Vision | — | 1259 |
Multilingual Grok 4.20 Multi-Agent leads
Amazon Nova Micro: 36.5 (#239), Grok 4.20 Multi-Agent: 54.4 (#43)
| Benchmark | Amazon Nova Micro | Grok 4.20 Multi-Agent |
|---|---|---|
| LMArena Non-English | 1186 | 1440 |
| LMArena Chinese | 1209 | 1475 |
| LMArena French | 1238 | 1466 |
| LMArena German | 1192 | 1456 |
| LMArena Japanese | 1154 | 1405 |
| LMArena Korean | 1150 | 1416 |
| LMArena Russian | 1185 | 1457 |
| LMArena Spanish | 1225 | 1447 |
Instruction Following Grok 4.20 Multi-Agent leads
Amazon Nova Micro: 56.3 (#272), Grok 4.20 Multi-Agent: 74.8 (#84)
| Benchmark | Amazon Nova Micro | Grok 4.20 Multi-Agent |
|---|---|---|
| LMArena Instruction Following | 1174 | 1420 |
| LiveBench Instruction Following | 48% | — |
| IFEval | 76% | — |
Long Context Grok 4.20 Multi-Agent leads
Amazon Nova Micro: 36.5 (#229), Grok 4.20 Multi-Agent: 43.7 (#88)
| Benchmark | Amazon Nova Micro | Grok 4.20 Multi-Agent |
|---|---|---|
| LMArena Longer Query | 1205 | 1431 |
Writing & Preference Grok 4.20 Multi-Agent leads
Amazon Nova Micro: 39.5 (#247), Grok 4.20 Multi-Agent: 64.0 (#59)
| Benchmark | Amazon Nova Micro | Grok 4.20 Multi-Agent |
|---|---|---|
| LMArena Text | 1208 | 1450 |
| LMArena Creative Writing | 1172 | 1436 |
| LMArena Multi-Turn | 1178 | 1452 |
| WildBench | 74.3% | — |
| LiveBench Language | 15.8% | — |
Frequently asked questions
Is Amazon Nova Micro better than Grok 4.20 Multi-Agent?
Grok 4.20 Multi-Agent is the stronger model overall, scoring 46.2 to 30.4 on the Noometry Index. Amazon Nova Micro costs 26× 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, Amazon Nova Micro or Grok 4.20 Multi-Agent?
Amazon Nova Micro is cheaper. It lists at $0.035 per million input tokens and $0.14 per million output tokens; Grok 4.20 Multi-Agent lists at $1.25 and $2.50.
Is Amazon Nova Micro or Grok 4.20 Multi-Agent better for coding?
Grok 4.20 Multi-Agent scores higher on coding benchmarks: 43.0 versus 30.5 in the Noometry coding category.
Which has the bigger context window?
Grok 4.20 Multi-Agent does, with 1M tokens against 128K.
How many benchmarks do Amazon Nova Micro and Grok 4.20 Multi-Agent share?
17 benchmarks have published results for both models. Amazon Nova Micro has 32 scored results on Noometry and Grok 4.20 Multi-Agent has 20.