# Qwen3.7 Flash vs Solar Pro4

> Solar Pro4 is the stronger model overall, scoring 41.5 to 39.5 on the Noometry Index. Qwen3.7 Flash costs 9.5× less per token, which makes it the better buy when Solar Pro4's lead doesn't matter for your workload.

- Canonical page: https://noometry.com/compare/qwen3-7-flash-vs-solar-pro4
- Last updated: 2026-10-10
- Shared benchmarks: 0

## Summary

- The widest gap is in knowledge, where Qwen3.7 Flash leads 48.9 to 39.0.
- Qwen3.7 Flash is cheaper at $0.03 / $0.13 per million input/output tokens, against $0.30 / $1.20 for Solar Pro4.
- Qwen3.7 Flash accepts more context: 1M tokens versus 524K.

## Snapshot

| | Qwen3.7 Flash | Solar Pro4 |
|---|---|---|
| Provider | Alibaba (Qwen) | Upstage |
| Noometry Index | 39.5 | 41.5 |
| Rank | 152 | 123 |
| Context | 1M | 524K |
| Input $/M | $0.03 | $0.30 |
| Output $/M | $0.13 | $1.20 |
| Weights | Proprietary | Proprietary |

## Coding

- Qwen3.7 Flash: —
- Solar Pro4: 39.9 (#135)

| Benchmark | Qwen3.7 Flash | Solar Pro4 |
|---|---|---|
| LMArena WebDev | — | 1371 |
| LMArena Coding | — | 1439 |

## Reasoning

- Qwen3.7 Flash: 27.3 (#108)
- Solar Pro4: 27.3 (#107)

| Benchmark | Qwen3.7 Flash | Solar Pro4 |
|---|---|---|
| NYT Connections (extended) | 43.8% | — |
| Chess Puzzles | 23% | — |
| LMArena Hard Prompts | — | 1398 |
| Mystery Game Puzzles | 15% | — |
| Epoch Capabilities Index | 144.62 | — |

## Math

- Qwen3.7 Flash: 37.3 (#100)
- Solar Pro4: 36.1 (#129)

| Benchmark | Qwen3.7 Flash | Solar Pro4 |
|---|---|---|
| FrontierMath (Tiers 1-3) | 19.3% | — |
| OTIS Mock AIME 2024-2025 | 86.7% | — |
| LMArena Math | — | 1418 |

## Knowledge

- Qwen3.7 Flash: 48.9 (#69)
- Solar Pro4: 39.0 (#128)

| Benchmark | Qwen3.7 Flash | Solar Pro4 |
|---|---|---|
| GPQA Diamond | 82.3% | — |
| LMArena Expert | — | 1421 |

## Multilingual

- Qwen3.7 Flash: —
- Solar Pro4: 49.0 (#134)

| Benchmark | Qwen3.7 Flash | Solar Pro4 |
|---|---|---|
| LMArena Non-English | — | 1362 |
| LMArena Chinese | — | 1417 |
| LMArena French | — | 1403 |
| LMArena German | — | 1351 |
| LMArena Japanese | — | 1300 |
| LMArena Korean | — | 1383 |
| LMArena Russian | — | 1360 |
| LMArena Spanish | — | 1408 |

## Instruction Following

- Qwen3.7 Flash: —
- Solar Pro4: 72.8 (#128)

| Benchmark | Qwen3.7 Flash | Solar Pro4 |
|---|---|---|
| LMArena Instruction Following | — | 1376 |

## Long Context

- Qwen3.7 Flash: —
- Solar Pro4: 42.0 (#125)

| Benchmark | Qwen3.7 Flash | Solar Pro4 |
|---|---|---|
| LMArena Longer Query | — | 1379 |

## Writing & Preference

- Qwen3.7 Flash: —
- Solar Pro4: 56.7 (#133)

| Benchmark | Qwen3.7 Flash | Solar Pro4 |
|---|---|---|
| LMArena Text | — | 1386 |
| LMArena Creative Writing | — | 1313 |
| LMArena Multi-Turn | — | 1391 |

## FAQ

### Is Qwen3.7 Flash better than Solar Pro4?

Solar Pro4 is the stronger model overall, scoring 41.5 to 39.5 on the Noometry Index. Qwen3.7 Flash costs 9.5× less per token, which makes it the better buy when Solar Pro4's lead doesn't matter for your workload.

### Which is cheaper, Qwen3.7 Flash or Solar Pro4?

Qwen3.7 Flash is cheaper. It lists at $0.03 per million input tokens and $0.13 per million output tokens; Solar Pro4 lists at $0.30 and $1.20.

### Which has the bigger context window?

Qwen3.7 Flash does, with 1M tokens against 524K.

### How many benchmarks do Qwen3.7 Flash and Solar Pro4 share?

0 benchmarks have published results for both models. Qwen3.7 Flash has 7 scored results on Noometry and Solar Pro4 has 18.