Model comparison
Grok 4.20 Multi-Agent vs o1-pro
Grok 4.20 Multi-Agent is the stronger model overall, scoring 46.2 to 31.5 on the Noometry Index.
Last verified . 0 shared benchmarks.
Summary
- The widest gap is in reasoning, where Grok 4.20 Multi-Agent leads 43.9 to 20.4.
- Grok 4.20 Multi-Agent is cheaper at $1.25 / $2.50 per million input/output tokens, against $150 / $600 for o1-pro.
- Grok 4.20 Multi-Agent accepts more context: 1M tokens versus 200K.
Side by side
| Grok 4.20 Multi-Agent | o1-pro | |
|---|---|---|
| Provider | xAI | OpenAI |
| Noometry Index | 46.2 | 31.5 |
| Released | 2026-03-09 | 2025-03-19 |
| Weights | Proprietary | Proprietary |
| Context window | 1M | 200K |
| Max output | 30K | 100K |
| Input $ / M tokens | $1.25 | $150 |
| Output $ / M tokens | $2.50 | $600 |
| Results tracked | 20 | 3 |
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Category by category
Coding Not comparable
Grok 4.20 Multi-Agent: 43.0 (#92), o1-pro: —
| Benchmark | Grok 4.20 Multi-Agent | o1-pro |
|---|---|---|
| LMArena Coding | 1457 | — |
Agentic & Tool Use Not comparable
Grok 4.20 Multi-Agent: —, o1-pro: —
| Benchmark | Grok 4.20 Multi-Agent | o1-pro |
|---|---|---|
| LMArena Search | 1204 | — |
Reasoning Grok 4.20 Multi-Agent leads
Grok 4.20 Multi-Agent: 43.9 (#48), o1-pro: 20.4 (#239)
| Benchmark | Grok 4.20 Multi-Agent | o1-pro |
|---|---|---|
| NYT Connections (extended) | 89.6% | — |
| ARC-AGI-1 | — | 23.3% |
| EnigmaEval | — | 6.1% |
| LMArena Hard Prompts | 1448 | — |
Math Not comparable
Grok 4.20 Multi-Agent: 39.4 (#104), o1-pro: —
| Benchmark | Grok 4.20 Multi-Agent | o1-pro |
|---|---|---|
| LMArena Math | 1442 | — |
Knowledge Grok 4.20 Multi-Agent leads
Grok 4.20 Multi-Agent: 40.4 (#119), o1-pro: 29.7 (#234)
| Benchmark | Grok 4.20 Multi-Agent | o1-pro |
|---|---|---|
| Humanity's Last Exam | — | 8.1% |
| LMArena Expert | 1445 | — |
Multimodal Not comparable
Grok 4.20 Multi-Agent: 40.5 (#48), o1-pro: —
| Benchmark | Grok 4.20 Multi-Agent | o1-pro |
|---|---|---|
| LMArena Vision | 1259 | — |
Multilingual Not comparable
Grok 4.20 Multi-Agent: 54.4 (#43), o1-pro: —
| Benchmark | Grok 4.20 Multi-Agent | o1-pro |
|---|---|---|
| LMArena Non-English | 1440 | — |
| LMArena Chinese | 1475 | — |
| LMArena French | 1466 | — |
| LMArena German | 1456 | — |
| LMArena Japanese | 1405 | — |
| LMArena Korean | 1416 | — |
| LMArena Russian | 1457 | — |
| LMArena Spanish | 1447 | — |
Instruction Following Not comparable
Grok 4.20 Multi-Agent: 74.8 (#84), o1-pro: —
| Benchmark | Grok 4.20 Multi-Agent | o1-pro |
|---|---|---|
| LMArena Instruction Following | 1420 | — |
Long Context Not comparable
Grok 4.20 Multi-Agent: 43.7 (#88), o1-pro: —
| Benchmark | Grok 4.20 Multi-Agent | o1-pro |
|---|---|---|
| LMArena Longer Query | 1431 | — |
Writing & Preference Not comparable
Grok 4.20 Multi-Agent: 64.0 (#59), o1-pro: —
| Benchmark | Grok 4.20 Multi-Agent | o1-pro |
|---|---|---|
| LMArena Text | 1450 | — |
| LMArena Creative Writing | 1436 | — |
| LMArena Multi-Turn | 1452 | — |
Frequently asked questions
Is Grok 4.20 Multi-Agent better than o1-pro?
Grok 4.20 Multi-Agent is the stronger model overall, scoring 46.2 to 31.5 on the Noometry Index.
Which is cheaper, Grok 4.20 Multi-Agent or o1-pro?
Grok 4.20 Multi-Agent is cheaper. It lists at $1.25 per million input tokens and $2.50 per million output tokens; o1-pro lists at $150 and $600.
Which has the bigger context window?
Grok 4.20 Multi-Agent does, with 1M tokens against 200K.
How many benchmarks do Grok 4.20 Multi-Agent and o1-pro share?
0 benchmarks have published results for both models. Grok 4.20 Multi-Agent has 20 scored results on Noometry and o1-pro has 3.