AI model comparison

Solar Mini 4 vs Qwen3.7 Flash

Pricing, context window, benchmarks, and features compared side by side. Or skip the guesswork and send one prompt to both.

Solar Mini 4 is Upstage's compact, cost-efficient language model, a 35B-parameter mixture-of-experts with 3B active parameters and a 524K context window.

Input / 1M
$0.05
Output / 1M
$0.20
Context
524K

Qwen3.7 Flash is a vision-language reasoning model from Alibaba.

Input / 1M
$0.03
Output / 1M
$0.13
Context
1M

At a glance

Quick verdict

How the two models stack up on the things people ask about most.

Lower price

qwen logo

Qwen3.7 Flash

1.6x cheaper for a typical chat

Higher intelligence score

Tie

Not enough benchmark data

Larger context window

qwen logo

Qwen3.7 Flash

1M vs 524K tokens

Newer release

upstage logo

Solar Mini 4

Released September 23, 2026

Benchmarks

Benchmark scores

Independent scores from Artificial Analysis. Higher is better.

Intelligence index

upstage logoSolar Mini 424.1
qwen logoQwen3.7 FlashNot available

Coding index

upstage logoSolar Mini 4Not available
qwen logoQwen3.7 FlashNot available

Agentic index

upstage logoSolar Mini 4Not available
qwen logoQwen3.7 FlashNot available

Pricing

Solar Mini 4 vs Qwen3.7 Flash API pricing

Per-token API rates. Cheaper option highlighted.

Metricupstage logoSolar Mini 4qwen logoQwen3.7 Flash
Input tokensPer 1M tokens$0.05$0.03
Output tokensPer 1M tokens$0.20$0.13
Cached input (read)Per 1M tokens$0.01$0.01
Cache writePer 1M tokensNot available$0.04
Long-context pricingPer 1M tokens, for very long promptsSame rate at any length$0.10 in / $0.40 out above 32K

What it costs in practice

Estimated cost per 1,000 requests at standard rates. Coding and long-document figures also show the cost when the input is already cached.

Chat message

2K in, 500 out

upstage logoSolar Mini 4$0.20
qwen logoQwen3.7 Flash$0.13

Coding task

30K in, 4K out

upstage logoSolar Mini 4$2.30$0.95 cached
qwen logoQwen3.7 Flash$1.42$0.70 cached

Long document summary

150K in, 2K out

upstage logoSolar Mini 4$7.90$1.15 cached
qwen logoQwen3.7 Flash$4.76$1.16 cached

Specs

Context window and capabilities

How much each model can read, how much it can write, and what it accepts as input.

Metricupstage logoSolar Mini 4qwen logoQwen3.7 Flash
Context window524K tokens1M tokens
Max output131K tokens66K tokens
Input typesTextImage, Text, Video
Output typesTextText
Reasoning effort levelsMax, Extra high, High, Medium, Low, Minimal, NoneNot available
Default reasoning effortMediumNot available
Release dateSeptember 23, 2026July 27, 2026

Features

Supported features

API features available for each model.

Metricupstage logoSolar Mini 4qwen logoQwen3.7 Flash
Tool callingSupportedSupported
Structured outputsSupportedNot supported
JSON modeSupportedSupported
ReasoningSupportedSupported
TemperatureSupportedSupported
Stop sequencesNot supportedNot supported
Deterministic seedNot supportedSupported
Verbosity controlNot supportedNot supported

Our take

Qwen3.7 Flash is 1.6x cheaper for a typical chat. Qwen3.7 Flash has the larger context window (1M vs 524K tokens). The right pick depends on your workload, so the quickest way to settle it is to send the same prompt to both and compare.

FAQ

Frequently asked questions

Is Solar Mini 4 or Qwen3.7 Flash cheaper?

Qwen3.7 Flash is cheaper for a typical chat (2K input tokens and 500 output tokens). Qwen3.7 Flash costs $0.03 per 1M input tokens and $0.13 per 1M output tokens, while Solar Mini 4 costs $0.05 per 1M input tokens and $0.20 per 1M output tokens.

Which has a bigger context window, Solar Mini 4 or Qwen3.7 Flash?

Qwen3.7 Flash supports up to 1M tokens of context, compared with 524K for Solar Mini 4.

Can I use Solar Mini 4 and Qwen3.7 Flash at the same time?

Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Solar Mini 4 and Qwen3.7 Flash answer side by side and keep the better response.

upstage logoqwen logo

Why choose? Ask both.

Send one prompt to Solar Mini 4 and Qwen3.7 Flash at the same time. Compare the answers side by side and keep the best one.