Model comparison
Gemini 3.1 Flash Lite vs Grok Build 0.1
Gemini 3.1 Flash Lite is the stronger model overall, scoring 40.4 to 35.8 on the Noometry Index.
Last verified . 2 shared benchmarks.
GoogleSummary
- They share 2 benchmarks with published results for both. Gemini 3.1 Flash Lite scores higher in 1 category and Grok Build 0.1 in 2 categories; 3 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Grok Build 0.1 leads 31.3 to 22.3.
- The biggest single-benchmark swing is SciCode: 41.9% for Gemini 3.1 Flash Lite and 50.2% for Grok Build 0.1.
- Gemini 3.1 Flash Lite is cheaper at $0.25 / $1.50 per million input/output tokens, against $1 / $2 for Grok Build 0.1.
- Gemini 3.1 Flash Lite accepts more context: 1.05M tokens versus 256K.
Side by side
| Gemini 3.1 Flash Lite | Grok Build 0.1 | |
|---|---|---|
| Provider | xAI | |
| Noometry Index | 40.4 | 35.8 |
| Released | 2026-03-03 | 2026-04-16 |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | 256K |
| Max output | 66K | 256K |
| Input $ / M tokens | $0.25 | $1 |
| Output $ / M tokens | $1.50 | $2 |
| Results tracked | 38 | 3 |
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Category by category
Coding Grok Build 0.1 leads
Gemini 3.1 Flash Lite: 37.5 (#179), Grok Build 0.1: 42.5 (#90)
| Benchmark | Gemini 3.1 Flash Lite | Grok Build 0.1 |
|---|---|---|
| SciCode | 41.9% | 50.2% |
| LMArena WebDev | 1256 | — |
| WeirdML | 52.2% | — |
| LMArena Coding | 1400 | — |
| ALE-Bench | 797.73 | — |
Agentic & Tool Use Gemini 3.1 Flash Lite leads
Gemini 3.1 Flash Lite: 29.9 (#72), Grok Build 0.1: 22.5 (#122)
| Benchmark | Gemini 3.1 Flash Lite | Grok Build 0.1 |
|---|---|---|
| DeepResearch Bench | 37.3% | — |
| GBAEval | — | 2.4% |
Reasoning Grok Build 0.1 leads
Gemini 3.1 Flash Lite: 22.3 (#181), Grok Build 0.1: 31.3 (#73)
| Benchmark | Gemini 3.1 Flash Lite | Grok Build 0.1 |
|---|---|---|
| CritPt | 1.1% | 9.1% |
| Kagi LLM Benchmark | 67.2% | — |
| NYT Connections (extended) | 8.2% | — |
| Chess Puzzles | 25% | — |
| EnigmaEval | 3% | — |
| Thematic Generalization | 63.3% | — |
| LMArena Hard Prompts | 1407 | — |
| DTBench | 76.8% | — |
| LMCA | 35% | — |
| Epoch Capabilities Index | 144.45 | — |
| ForecastBench | 54.4 | — |
Math Not comparable
Gemini 3.1 Flash Lite: 39.5 (#82), Grok Build 0.1: —
| Benchmark | Gemini 3.1 Flash Lite | Grok Build 0.1 |
|---|---|---|
| FrontierMath (Tiers 1-3) | 27.7% | — |
| OTIS Mock AIME 2024-2025 | 80% | — |
| LMArena Math | 1427 | — |
Knowledge Not comparable
Gemini 3.1 Flash Lite: 41.7 (#95), Grok Build 0.1: —
| Benchmark | Gemini 3.1 Flash Lite | Grok Build 0.1 |
|---|---|---|
| GPQA Diamond | 81.8% | — |
| Humanity's Last Exam | 8.6% | — |
| Vectara Hallucination Rate | 8.2% | — |
| LMArena Expert | 1397 | — |
Multimodal Not comparable
Gemini 3.1 Flash Lite: 38.7 (#57), Grok Build 0.1: —
| Benchmark | Gemini 3.1 Flash Lite | Grok Build 0.1 |
|---|---|---|
| LMArena Vision | 1240 | — |
Multilingual Not comparable
Gemini 3.1 Flash Lite: 52.5 (#82), Grok Build 0.1: —
| Benchmark | Gemini 3.1 Flash Lite | Grok Build 0.1 |
|---|---|---|
| LMArena Non-English | 1410 | — |
| LMArena Chinese | 1461 | — |
| LMArena French | 1423 | — |
| LMArena German | 1429 | — |
| LMArena Japanese | 1411 | — |
| LMArena Korean | 1393 | — |
| LMArena Russian | 1420 | — |
| LMArena Spanish | 1420 | — |
Instruction Following Not comparable
Gemini 3.1 Flash Lite: 72.9 (#126), Grok Build 0.1: —
| Benchmark | Gemini 3.1 Flash Lite | Grok Build 0.1 |
|---|---|---|
| LMArena Instruction Following | 1376 | — |
Long Context Not comparable
Gemini 3.1 Flash Lite: 42.5 (#117), Grok Build 0.1: —
| Benchmark | Gemini 3.1 Flash Lite | Grok Build 0.1 |
|---|---|---|
| LMArena Longer Query | 1394 | — |
Writing & Preference Not comparable
Gemini 3.1 Flash Lite: 61.0 (#90), Grok Build 0.1: —
| Benchmark | Gemini 3.1 Flash Lite | Grok Build 0.1 |
|---|---|---|
| LMArena Text | 1416 | — |
| LMArena Creative Writing | 1401 | — |
| LMArena Multi-Turn | 1417 | — |
Frequently asked questions
Is Gemini 3.1 Flash Lite better than Grok Build 0.1?
Gemini 3.1 Flash Lite is the stronger model overall, scoring 40.4 to 35.8 on the Noometry Index.
Which is cheaper, Gemini 3.1 Flash Lite or Grok Build 0.1?
Gemini 3.1 Flash Lite is cheaper. It lists at $0.25 per million input tokens and $1.50 per million output tokens; Grok Build 0.1 lists at $1 and $2.
Is Gemini 3.1 Flash Lite or Grok Build 0.1 better for coding?
Grok Build 0.1 scores higher on coding benchmarks: 42.5 versus 37.5 in the Noometry coding category.
Which has the bigger context window?
Gemini 3.1 Flash Lite does, with 1.05M tokens against 256K.
How many benchmarks do Gemini 3.1 Flash Lite and Grok Build 0.1 share?
2 benchmarks have published results for both models. Gemini 3.1 Flash Lite has 38 scored results on Noometry and Grok Build 0.1 has 3.