Model comparison
Gemini 3.5 Flash Lite vs Solar Pro4
Gemini 3.5 Flash Lite and Solar Pro4 score almost the same on the Noometry Index (41.5 vs 42.1), so choose on price, context window or the category you care about most.
Last verified . 18 shared benchmarks.
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UpstageSummary
- They share 18 benchmarks with published results for both. Gemini 3.5 Flash Lite scores higher in 6 categories and Solar Pro4 in 2 categories; 7 gaps are clear of the uncertainty.
- The widest gap is in math, where Solar Pro4 leads 38.8 to 25.9.
- Solar Pro4 is cheaper at $0.30 / $1.20 per million input/output tokens, against $0.30 / $2.50 for Gemini 3.5 Flash Lite.
- Gemini 3.5 Flash Lite accepts more context: 1.05M tokens versus 524K.
Side by side
| Gemini 3.5 Flash Lite | Solar Pro4 | |
|---|---|---|
| Provider | Upstage | |
| Noometry Index | 41.5 | 42.1 |
| Released | 2026-07-21 | 2026-08-06 |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | 524K |
| Max output | 66K | 131K |
| Input $ / M tokens | $0.30 | $0.30 |
| Output $ / M tokens | $2.50 | $1.20 |
| Results tracked | 39 | 18 |
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Category by category
Coding Gemini 3.5 Flash Lite leads
Gemini 3.5 Flash Lite: 42.4 (#104), Solar Pro4: 40.1 (#149)
| Benchmark | Gemini 3.5 Flash Lite | Solar Pro4 |
|---|---|---|
| LMArena WebDev | 1440 | 1371 |
| LMArena Coding | 1453 | 1437 |
| SciCode | 41.3% | — |
| WeirdML | 39% | — |
| ALE-Bench | 765.27 | — |
Agentic & Tool Use Not comparable
Gemini 3.5 Flash Lite: 25.7 (#107), Solar Pro4: —
| Benchmark | Gemini 3.5 Flash Lite | Solar Pro4 |
|---|---|---|
| APEX-Agents | 29.3% | — |
| GDP.pdf | 10% | — |
Reasoning Too close to call
Gemini 3.5 Flash Lite: 27.8 (#114), Solar Pro4: 28.5 (#104)
| Benchmark | Gemini 3.5 Flash Lite | Solar Pro4 |
|---|---|---|
| LMArena Hard Prompts | 1441 | 1399 |
| 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 Solar Pro4 leads
Gemini 3.5 Flash Lite: 25.9 (#264), Solar Pro4: 38.8 (#128)
| Benchmark | Gemini 3.5 Flash Lite | Solar Pro4 |
|---|---|---|
| LMArena Math | 1433 | 1416 |
| 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), Solar Pro4: 39.8 (#129)
| Benchmark | Gemini 3.5 Flash Lite | Solar Pro4 |
|---|---|---|
| LMArena Expert | 1435 | 1427 |
| GPQA Diamond | 83.3% | — |
Multimodal Not comparable
Gemini 3.5 Flash Lite: 41.1 (#40), Solar Pro4: —
| Benchmark | Gemini 3.5 Flash Lite | Solar Pro4 |
|---|---|---|
| LMArena Vision | 1268 | — |
Multilingual Gemini 3.5 Flash Lite leads
Gemini 3.5 Flash Lite: 53.5 (#63), Solar Pro4: 48.7 (#139)
| Benchmark | Gemini 3.5 Flash Lite | Solar Pro4 |
|---|---|---|
| LMArena Non-English | 1427 | 1361 |
| LMArena Chinese | 1469 | 1415 |
| LMArena French | 1451 | 1397 |
| LMArena German | 1454 | 1364 |
| LMArena Japanese | 1427 | 1309 |
| LMArena Korean | 1407 | 1382 |
| LMArena Russian | 1443 | 1360 |
| LMArena Spanish | 1442 | 1401 |
Instruction Following Gemini 3.5 Flash Lite leads
Gemini 3.5 Flash Lite: 74.8 (#85), Solar Pro4: 72.7 (#132)
| Benchmark | Gemini 3.5 Flash Lite | Solar Pro4 |
|---|---|---|
| LMArena Instruction Following | 1420 | 1377 |
Long Context Gemini 3.5 Flash Lite leads
Gemini 3.5 Flash Lite: 43.9 (#84), Solar Pro4: 42.1 (#130)
| Benchmark | Gemini 3.5 Flash Lite | Solar Pro4 |
|---|---|---|
| LMArena Longer Query | 1435 | 1381 |
Writing & Preference Gemini 3.5 Flash Lite leads
Gemini 3.5 Flash Lite: 64.2 (#57), Solar Pro4: 56.5 (#138)
| Benchmark | Gemini 3.5 Flash Lite | Solar Pro4 |
|---|---|---|
| LMArena Text | 1435 | 1386 |
| LMArena Creative Writing | 1420 | 1316 |
| LMArena Multi-Turn | 1445 | 1385 |
| EQ-Bench Creative Writing | 1559 | — |
Frequently asked questions
Is Gemini 3.5 Flash Lite better than Solar Pro4?
Gemini 3.5 Flash Lite and Solar Pro4 score almost the same on the Noometry Index (41.5 vs 42.1), so choose on price, context window or the category you care about most.
Which is cheaper, Gemini 3.5 Flash Lite or Solar Pro4?
Solar Pro4 is cheaper. It lists at $0.30 per million input tokens and $1.20 per million output tokens; Gemini 3.5 Flash Lite lists at $0.30 and $2.50.
Is Gemini 3.5 Flash Lite or Solar Pro4 better for coding?
Gemini 3.5 Flash Lite scores higher on coding benchmarks: 42.4 versus 40.1 in the Noometry coding category.
Which has the bigger context window?
Gemini 3.5 Flash Lite does, with 1.05M tokens against 524K.
How many benchmarks do Gemini 3.5 Flash Lite and Solar Pro4 share?
18 benchmarks have published results for both models. Gemini 3.5 Flash Lite has 39 scored results on Noometry and Solar Pro4 has 18.