Model comparison
Gemini 3.6 Flash vs Solar Pro4
Gemini 3.6 Flash is the stronger model overall, scoring 54.1 to 41.5 on the Noometry Index. Solar Pro4 costs 2.9× less per token, which makes it the better buy when Gemini 3.6 Flash's lead doesn't matter for your workload.
Last verified . 18 shared benchmarks.
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UpstageSummary
- They share 18 benchmarks with published results for both. Gemini 3.6 Flash scores higher in 8 categories and Solar Pro4 in 0 categories; 8 gaps are clear of the uncertainty.
- The widest gap is in reasoning, where Gemini 3.6 Flash leads 58.9 to 27.3.
- Solar Pro4 is cheaper at $0.30 / $1.20 per million input/output tokens, against $0.75 / $3.75 for Gemini 3.6 Flash.
- Gemini 3.6 Flash accepts more context: 1.05M tokens versus 524K.
Side by side
| Gemini 3.6 Flash | Solar Pro4 | |
|---|---|---|
| Provider | Upstage | |
| Noometry Index | 54.1 | 41.5 |
| Released | 2026-07-21 | 2026-08-06 |
| Weights | Proprietary | Proprietary |
| Context window | 1.05M | 524K |
| Max output | 66K | 131K |
| Input $ / M tokens | $0.75 | $0.30 |
| Output $ / M tokens | $3.75 | $1.20 |
| Results tracked | 46 | 18 |
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Category by category
Coding Gemini 3.6 Flash leads
Gemini 3.6 Flash: 49.6 (#45), Solar Pro4: 39.9 (#135)
| Benchmark | Gemini 3.6 Flash | Solar Pro4 |
|---|---|---|
| LMArena WebDev | 1536 | 1371 |
| LMArena Coding | 1492 | 1439 |
| DeepSWE | 46.7% | — |
| FrontierCode | 34.4% | — |
| SciCode | 52.7% | — |
| WeirdML | 56.1% | — |
| ALE-Bench | 715.52 | — |
Agentic & Tool Use Not comparable
Gemini 3.6 Flash: 32.4 (#56), Solar Pro4: —
| Benchmark | Gemini 3.6 Flash | Solar Pro4 |
|---|---|---|
| APEX-Agents | 46.9% | — |
| GDP.pdf | 14% | — |
Reasoning Gemini 3.6 Flash leads
Gemini 3.6 Flash: 58.9 (#20), Solar Pro4: 27.3 (#107)
| Benchmark | Gemini 3.6 Flash | Solar Pro4 |
|---|---|---|
| LMArena Hard Prompts | 1486 | 1398 |
| ARC-AGI-2 | 60.4% | — |
| NYT Connections (extended) | 89% | — |
| ARC-AGI-1 | 91.2% | — |
| CritPt | 10.6% | — |
| Chess Puzzles | 43% | — |
| Mystery Game Puzzles | 30% | — |
| DTBench | 95.5% | — |
| LMCA | 44.9% | — |
| Epoch Capabilities Index | 154.36 | — |
Math Gemini 3.6 Flash leads
Gemini 3.6 Flash: 57.0 (#33), Solar Pro4: 36.1 (#129)
| Benchmark | Gemini 3.6 Flash | Solar Pro4 |
|---|---|---|
| LMArena Math | 1504 | 1418 |
| FrontierMath (Tiers 1-3) | 58.9% | — |
| FrontierMath Tier 4 | 22% | — |
| MathArena Final-Answer Competitions | 70.8% | — |
| OTIS Mock AIME 2024-2025 | 94.2% | — |
| ProofBench | 36% | — |
Knowledge Gemini 3.6 Flash leads
Gemini 3.6 Flash: 67.8 (#7), Solar Pro4: 39.0 (#128)
| Benchmark | Gemini 3.6 Flash | Solar Pro4 |
|---|---|---|
| LMArena Expert | 1489 | 1421 |
| GPQA Diamond | 94.1% | — |
| SimpleQA Verified | 66.2% | — |
Multimodal Not comparable
Gemini 3.6 Flash: 38.7 (#55), Solar Pro4: —
| Benchmark | Gemini 3.6 Flash | Solar Pro4 |
|---|---|---|
| LMArena Vision | 1297 | — |
| Blueprint-Bench 2 | 31.2% | — |
| Furniture Assembly | 23.3% | — |
| LMArena Document | 1456 | — |
Multilingual Gemini 3.6 Flash leads
Gemini 3.6 Flash: 56.8 (#17), Solar Pro4: 49.0 (#134)
| Benchmark | Gemini 3.6 Flash | Solar Pro4 |
|---|---|---|
| LMArena Non-English | 1470 | 1362 |
| LMArena Chinese | 1530 | 1417 |
| LMArena French | 1501 | 1403 |
| LMArena German | 1478 | 1351 |
| LMArena Japanese | 1477 | 1300 |
| LMArena Korean | 1435 | 1383 |
| LMArena Russian | 1490 | 1360 |
| LMArena Spanish | 1477 | 1408 |
Instruction Following Gemini 3.6 Flash leads
Gemini 3.6 Flash: 77.2 (#27), Solar Pro4: 72.8 (#128)
| Benchmark | Gemini 3.6 Flash | Solar Pro4 |
|---|---|---|
| LMArena Instruction Following | 1467 | 1376 |
Long Context Gemini 3.6 Flash leads
Gemini 3.6 Flash: 45.1 (#47), Solar Pro4: 42.0 (#125)
| Benchmark | Gemini 3.6 Flash | Solar Pro4 |
|---|---|---|
| LMArena Longer Query | 1475 | 1379 |
Writing & Preference Gemini 3.6 Flash leads
Gemini 3.6 Flash: 68.3 (#26), Solar Pro4: 56.7 (#133)
| Benchmark | Gemini 3.6 Flash | Solar Pro4 |
|---|---|---|
| LMArena Text | 1478 | 1386 |
| LMArena Creative Writing | 1464 | 1313 |
| LMArena Multi-Turn | 1481 | 1391 |
| EQ-Bench Creative Writing | 1604 | — |
Frequently asked questions
Is Gemini 3.6 Flash better than Solar Pro4?
Gemini 3.6 Flash is the stronger model overall, scoring 54.1 to 41.5 on the Noometry Index. Solar Pro4 costs 2.9× less per token, which makes it the better buy when Gemini 3.6 Flash's lead doesn't matter for your workload.
Which is cheaper, Gemini 3.6 Flash or Solar Pro4?
Solar Pro4 is cheaper. It lists at $0.30 per million input tokens and $1.20 per million output tokens; Gemini 3.6 Flash lists at $0.75 and $3.75.
Is Gemini 3.6 Flash or Solar Pro4 better for coding?
Gemini 3.6 Flash scores higher on coding benchmarks: 49.6 versus 39.9 in the Noometry coding category.
Which has the bigger context window?
Gemini 3.6 Flash does, with 1.05M tokens against 524K.
How many benchmarks do Gemini 3.6 Flash and Solar Pro4 share?
18 benchmarks have published results for both models. Gemini 3.6 Flash has 46 scored results on Noometry and Solar Pro4 has 18.