Model comparison
Gemini 3.5 Flash Lite vs Step 2 16k Exp 202412
Gemini 3.5 Flash Lite is the stronger model overall, scoring 41.5 to 39.2 on the Noometry Index.
Last verified . 12 shared benchmarks.
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StepFunSummary
- They share 12 benchmarks with published results for both. Gemini 3.5 Flash Lite scores higher in 7 categories and Step 2 16k Exp 202412 in 1 category; 8 gaps are clear of the uncertainty.
- The widest gap is in knowledge, where Gemini 3.5 Flash Lite leads 50.1 to 35.2.
Side by side
| Gemini 3.5 Flash Lite | Step 2 16k Exp 202412 | |
|---|---|---|
| Provider | StepFun | |
| Noometry Index | 41.5 | 39.2 |
| Released | 2026-07-21 | — |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | — |
| Max output | 66K | — |
| Input $ / M tokens | $0.30 | — |
| Output $ / M tokens | $2.50 | — |
| Results tracked | 39 | 12 |
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Category by category
Coding Gemini 3.5 Flash Lite leads
Gemini 3.5 Flash Lite: 42.4 (#104), Step 2 16k Exp 202412: 38.5 (#174)
| Benchmark | Gemini 3.5 Flash Lite | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Coding | 1453 | 1316 |
| LMArena WebDev | 1440 | — |
| SciCode | 41.3% | — |
| WeirdML | 39% | — |
| ALE-Bench | 765.27 | — |
Agentic & Tool Use Not comparable
Gemini 3.5 Flash Lite: 25.7 (#107), Step 2 16k Exp 202412: —
| Benchmark | Gemini 3.5 Flash Lite | Step 2 16k Exp 202412 |
|---|---|---|
| APEX-Agents | 29.3% | — |
| GDP.pdf | 10% | — |
Reasoning Gemini 3.5 Flash Lite leads
Gemini 3.5 Flash Lite: 27.8 (#114), Step 2 16k Exp 202412: 25.9 (#142)
| Benchmark | Gemini 3.5 Flash Lite | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Hard Prompts | 1441 | 1299 |
| ARC-AGI-2 | 10.3% | — |
| NYT Connections (extended) | 60.4% | — |
| ARC-AGI-1 | 53.5% | — |
| CritPt | 0% | — |
| Chess Puzzles | 22% | — |
| Mystery Game Puzzles | 19% | — |
| DTBench | 83.5% | — |
| LMCA | 37.6% | — |
| Epoch Capabilities Index | 145.13 | — |
Math Step 2 16k Exp 202412 leads
Gemini 3.5 Flash Lite: 25.9 (#264), Step 2 16k Exp 202412: 36.3 (#169)
| Benchmark | Gemini 3.5 Flash Lite | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Math | 1433 | 1304 |
| FrontierMath (Tiers 1-3) | 26% | — |
| FrontierMath Tier 4 | 0% | — |
| OTIS Mock AIME 2024-2025 | 71.1% | — |
| ProofBench | 13% | — |
Knowledge Gemini 3.5 Flash Lite leads
Gemini 3.5 Flash Lite: 50.1 (#72), Step 2 16k Exp 202412: 35.2 (#187)
| Benchmark | Gemini 3.5 Flash Lite | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Expert | 1435 | 1279 |
| GPQA Diamond | 83.3% | — |
Multimodal Not comparable
Gemini 3.5 Flash Lite: 41.1 (#40), Step 2 16k Exp 202412: —
| Benchmark | Gemini 3.5 Flash Lite | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Vision | 1268 | — |
Multilingual Gemini 3.5 Flash Lite leads
Gemini 3.5 Flash Lite: 53.5 (#63), Step 2 16k Exp 202412: 43.7 (#181)
| Benchmark | Gemini 3.5 Flash Lite | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Non-English | 1427 | 1290 |
| LMArena Chinese | 1469 | 1331 |
| LMArena Russian | 1443 | 1324 |
| LMArena French | 1451 | — |
| LMArena German | 1454 | — |
| LMArena Japanese | 1427 | — |
| LMArena Korean | 1407 | — |
| LMArena Spanish | 1442 | — |
Instruction Following Gemini 3.5 Flash Lite leads
Gemini 3.5 Flash Lite: 74.8 (#85), Step 2 16k Exp 202412: 67.9 (#192)
| Benchmark | Gemini 3.5 Flash Lite | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Instruction Following | 1420 | 1287 |
Long Context Gemini 3.5 Flash Lite leads
Gemini 3.5 Flash Lite: 43.9 (#84), Step 2 16k Exp 202412: 39.7 (#170)
| Benchmark | Gemini 3.5 Flash Lite | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Longer Query | 1435 | 1307 |
Writing & Preference Gemini 3.5 Flash Lite leads
Gemini 3.5 Flash Lite: 64.2 (#57), Step 2 16k Exp 202412: 52.3 (#173)
| Benchmark | Gemini 3.5 Flash Lite | Step 2 16k Exp 202412 |
|---|---|---|
| LMArena Text | 1435 | 1321 |
| LMArena Creative Writing | 1420 | 1328 |
| LMArena Multi-Turn | 1445 | 1292 |
| EQ-Bench Creative Writing | 1559 | — |
Frequently asked questions
Is Gemini 3.5 Flash Lite better than Step 2 16k Exp 202412?
Gemini 3.5 Flash Lite is the stronger model overall, scoring 41.5 to 39.2 on the Noometry Index.
Is Gemini 3.5 Flash Lite or Step 2 16k Exp 202412 better for coding?
Gemini 3.5 Flash Lite scores higher on coding benchmarks: 42.4 versus 38.5 in the Noometry coding category.
How many benchmarks do Gemini 3.5 Flash Lite and Step 2 16k Exp 202412 share?
12 benchmarks have published results for both models. Gemini 3.5 Flash Lite has 39 scored results on Noometry and Step 2 16k Exp 202412 has 12.