AI model comparison

Solar Mini 4 vs MiniMax M2.7

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

MiniMax-M2.7 is a next-generation large language model designed for autonomous, real-world productivity and continuous improvement.

Input / 1M
$0.21
Output / 1M
$0.84
Context
205K

At a glance

Quick verdict

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

Lower price

upstage logo

Solar Mini 4

4.2x cheaper for a typical chat

Higher intelligence score

upstage logo

Solar Mini 4

24.1 vs 22.8 on Artificial Analysis

Larger context window

upstage logo

Solar Mini 4

524K vs 205K 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
minimax logoMiniMax M2.722.8

Coding index

upstage logoSolar Mini 4Not available
minimax logoMiniMax M2.752.6

Agentic index

upstage logoSolar Mini 4Not available
minimax logoMiniMax M2.715.3

Pricing

Solar Mini 4 vs MiniMax M2.7 API pricing

Per-token API rates. Cheaper option highlighted.

Metricupstage logoSolar Mini 4minimax logoMiniMax M2.7
Input tokensPer 1M tokens$0.05$0.21
Output tokensPer 1M tokens$0.20$0.84
Cached input (read)Per 1M tokens$0.01$0.04
Cache writePer 1M tokensNot availableNot available

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
minimax logoMiniMax M2.7$0.84

Coding task

30K in, 4K out

upstage logoSolar Mini 4$2.30$0.95 cached
minimax logoMiniMax M2.7$9.66$4.62 cached

Long document summary

150K in, 2K out

upstage logoSolar Mini 4$7.90$1.15 cached
minimax logoMiniMax M2.7$33.18$7.98 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 4minimax logoMiniMax M2.7
Context window524K tokens205K tokens
Max output131K tokens177K tokens
Input typesTextText
Output typesTextText
Reasoning effort levelsMax, Extra high, High, Medium, Low, Minimal, NoneNot available
Default reasoning effortMediumNot available
Release dateSeptember 23, 2026March 18, 2026

Features

Supported features

API features available for each model.

Metricupstage logoSolar Mini 4minimax logoMiniMax M2.7
Tool callingSupportedSupported
Structured outputsSupportedNot supported
JSON modeSupportedSupported
ReasoningSupportedSupported
TemperatureSupportedSupported
Stop sequencesNot supportedSupported
Deterministic seedNot supportedSupported
Verbosity controlNot supportedNot supported

Our take

Solar Mini 4 is 4.2x cheaper for a typical chat. Solar Mini 4 scores higher on the Artificial Analysis Intelligence Index (24.1 vs 22.8). Solar Mini 4 has the larger context window (524K vs 205K 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 MiniMax M2.7 cheaper?

Solar Mini 4 is cheaper for a typical chat (2K input tokens and 500 output tokens). Solar Mini 4 costs $0.05 per 1M input tokens and $0.20 per 1M output tokens, while MiniMax M2.7 costs $0.21 per 1M input tokens and $0.84 per 1M output tokens.

Which has a bigger context window, Solar Mini 4 or MiniMax M2.7?

Solar Mini 4 supports up to 524K tokens of context, compared with 205K for MiniMax M2.7.

Is Solar Mini 4 smarter than MiniMax M2.7?

On the Artificial Analysis Intelligence Index, Solar Mini 4 scores 24.1 and MiniMax M2.7 scores 22.8, putting Solar Mini 4 ahead. Benchmarks don't capture everything, so the best test is running your own prompts through both.

Can I use Solar Mini 4 and MiniMax M2.7 at the same time?

Yes. Shortcut Chat sends one prompt to multiple models at once, so you can see Solar Mini 4 and MiniMax M2.7 answer side by side and keep the better response.

upstage logominimax logo

Why choose? Ask both.

Send one prompt to Solar Mini 4 and MiniMax M2.7 at the same time. Compare the answers side by side and keep the best one.