Model comparison
Falcon-180B vs Grok 4.1 Fast
Grok 4.1 Fast is the stronger model overall, scoring 41.4 to 32.2 on the Noometry Index.
Last verified . 6 shared benchmarks.
Technology Innovation InstituteSummary
- They share 6 benchmarks with published results for both. Falcon-180B scores higher in 0 categories and Grok 4.1 Fast in 4 categories; 4 gaps are clear of the uncertainty.
- The widest gap is in writing & preference, where Grok 4.1 Fast leads 57.2 to 29.1.
- Falcon-180B has downloadable open weights; the other is API-only.
Side by side
| Falcon-180B | Grok 4.1 Fast | |
|---|---|---|
| Provider | Technology Innovation Institute | xAI |
| Noometry Index | 32.2 | 41.4 |
| Released | 2023-09-06 | 2025-06-27 |
| Weights | Open | Proprietary |
| Context window | — | 128K |
| Max output | — | 30K |
| Input $ / M tokens | — | $0.20 |
| Output $ / M tokens | — | $0.50 |
| Results tracked | 16 | 32 |
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Category by category
Coding Not comparable
Falcon-180B: —, Grok 4.1 Fast: 34.1 (#245)
| Benchmark | Falcon-180B | Grok 4.1 Fast |
|---|---|---|
| LMArena WebDev | — | 1242 |
| LMArena Coding | — | 1411 |
| ALE-Bench | — | 394.93 |
Agentic & Tool Use Not comparable
Falcon-180B: —, Grok 4.1 Fast: 36.3 (#39)
| Benchmark | Falcon-180B | Grok 4.1 Fast |
|---|---|---|
| Berkeley Function Calling Leaderboard | — | 69.6% |
| τ²-bench Banking | — | 13.1% |
| LMArena Search | — | 1171 |
| Vending-Bench 2 | — | 1,107 |
Reasoning Grok 4.1 Fast leads
Falcon-180B: 19.1 (#269), Grok 4.1 Fast: 43.4 (#49)
| Benchmark | Falcon-180B | Grok 4.1 Fast |
|---|---|---|
| LMArena Hard Prompts | 1007 | 1407 |
| SimpleBench | — | 56% |
| NYT Connections (extended) | — | 87.4% |
| DTBench | — | 87.7% |
| Epoch Capabilities Index | 112.13 | — |
| ForecastBench | — | 61 |
| HellaSwag | 89% | — |
| LAMBADA | 79.8% | — |
| PIQA | 84.9% | — |
| WinoGrande | 87.1% | — |
Math Not comparable
Falcon-180B: —, Grok 4.1 Fast: 31.9 (#221)
| Benchmark | Falcon-180B | Grok 4.1 Fast |
|---|---|---|
| MathArena Final-Answer Competitions | — | 60.9% |
| ProofBench | — | 4% |
| LMArena Math | — | 1408 |
| GSM8K | 54.4% | — |
Knowledge Not comparable
Falcon-180B: —, Grok 4.1 Fast: 33.1 (#207)
| Benchmark | Falcon-180B | Grok 4.1 Fast |
|---|---|---|
| Vectara Hallucination Rate | — | 17.8% |
| LMArena Expert | — | 1399 |
| ARC (AI2) Challenge | 67.8% | — |
| BoolQ | 89% | — |
| MMLU | 70.6% | — |
| OpenBookQA | 64.2% | — |
Multimodal Not comparable
Falcon-180B: —, Grok 4.1 Fast: 37.0 (#76)
| Benchmark | Falcon-180B | Grok 4.1 Fast |
|---|---|---|
| LMArena Vision | — | 1201 |
Multilingual Grok 4.1 Fast leads
Falcon-180B: 25.2 (#286), Grok 4.1 Fast: 51.0 (#114)
| Benchmark | Falcon-180B | Grok 4.1 Fast |
|---|---|---|
| LMArena Non-English | 1000 | 1391 |
| LMArena Chinese | — | 1441 |
| LMArena French | — | 1415 |
| LMArena German | — | 1404 |
| LMArena Japanese | — | 1349 |
| LMArena Korean | — | 1361 |
| LMArena Russian | — | 1387 |
| LMArena Spanish | — | 1413 |
Instruction Following Grok 4.1 Fast leads
Falcon-180B: 53.4 (#286), Grok 4.1 Fast: 72.7 (#133)
| Benchmark | Falcon-180B | Grok 4.1 Fast |
|---|---|---|
| LMArena Instruction Following | 1047 | 1376 |
Long Context Not comparable
Falcon-180B: —, Grok 4.1 Fast: 42.4 (#126)
| Benchmark | Falcon-180B | Grok 4.1 Fast |
|---|---|---|
| LMArena Longer Query | — | 1390 |
Writing & Preference Grok 4.1 Fast leads
Falcon-180B: 29.1 (#295), Grok 4.1 Fast: 57.2 (#131)
| Benchmark | Falcon-180B | Grok 4.1 Fast |
|---|---|---|
| LMArena Text | 1054 | 1408 |
| LMArena Creative Writing | 1089 | 1394 |
| LMArena Multi-Turn | 1013 | 1389 |
| EQ-Bench Creative Writing | — | 1327 |
Frequently asked questions
Is Falcon-180B better than Grok 4.1 Fast?
Grok 4.1 Fast is the stronger model overall, scoring 41.4 to 32.2 on the Noometry Index.
How many benchmarks do Falcon-180B and Grok 4.1 Fast share?
6 benchmarks have published results for both models. Falcon-180B has 16 scored results on Noometry and Grok 4.1 Fast has 32.