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MiniMax M3 vs Solar Pro 4

MiniMax M3 and Solar Pro 4 are closely matched at 41.9 and 36.0 on the LLM Stats Score. MiniMax M3 and Solar Pro 4 cost the same.

MiniMax · Upstage · Updated for 2026

Which is better?

MiniMax M3 and Solar Pro 4 are closely matched on the overall LLM Stats Score at 41.9 and 36.0.

In the 3 individual benchmarks reported for both models, MiniMax M3 wins 3; this is a narrower head-to-head signal than the composite indexes.

Solar Pro 4 also accepts a larger context window (524,288 input tokens), making it the stronger choice for long documents and large codebases.

Based on current LLM Stats indexes, shared benchmarks, pricing, and model metadata for 2026.

Choose MiniMax M3

  • your work emphasizes reasoning and coding — it leads those capability indexes
  • you value its reported benchmark strengths — it wins 3 of 3 exact shared results
  • you need open weights you can self-host or fine-tune

Choose Solar Pro 4

  • you process long inputs — it offers a 524,288 token context window
  • you want the most recent training data — it shipped Aug 2026

At a glance

The differences that matter most.

Core performance indexes
41.9
#42
36.0
#72
41.8
#39
35.6
#71
34.4
#30
22.1
#73
27.8
#38
13.8
#84
Cost, coverage & limits
Benchmark wins
3 of 3
0 of 3
Input price
$0.30 / M
$0.30 / M
Output price
$1.20 / M
$1.20 / M
Context window
512,000
524,288

Capability indexes

Additional strengths measured across groups of related public benchmarks

2 shared
Index
MiniMax M3
Solar Pro 4
25.1#101
32.0#55
22.8#42
15.3#81
Conservative TrueSkill rating · higher is betterHow scores work

Individual benchmarks

35 reported for MiniMax M3 · 9 for Solar Pro 4

3 shared

MiniMax M3 outperforms in 3 benchmarks (BrowseComp, SWE-Bench Verified, Terminal-Bench 2.1), while Solar Pro 4 is better at 0 benchmarks.

MiniMax M3 significantly outperforms across most benchmarks.

Fri Aug 28 2026 • llm-stats.com

Human preference

Blind head-to-head votes and playground preference scores

Pricing Analysis

Price comparison per million tokens

For input processing, MiniMax M3 ($0.30/1M tokens) costs the same as Solar Pro 4 ($0.30/1M tokens).

For output processing, MiniMax M3 ($1.20/1M tokens) costs the same as Solar Pro 4 ($1.20/1M tokens).

In conclusion, MiniMax M3 and Solar Pro 4 cost the same.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Fri Aug 28 2026 • llm-stats.com
MiniMax
MiniMax M3
Input tokens$0.30
Output tokens$1.20
Best providerFireworks
Upstage
Solar Pro 4
Input tokens$0.30
Output tokens$1.20
Best providerUnknown Organization
Notice missing or incorrect data?Start an Issue

Context Window

Maximum input and output token capacity

Solar Pro 4 accepts 524,288 input tokens compared to MiniMax M3's 512,000 tokens. Both models can generate responses up to 131,072 tokens.

MiniMax
MiniMax M3
Input512,000 tokens
Output131,072 tokens
Upstage
Solar Pro 4
Input524,288 tokens
Output131,072 tokens
Fri Aug 28 2026 • llm-stats.com

Input capabilities

Documented input modalities across available providers

MiniMax M3 supports multimodal inputs, whereas Solar Pro 4 does not.

MiniMax M3 can handle both text and other forms of data like images, making it suitable for multimodal applications.

MiniMax M3

Text
Images
Audio
Video

Solar Pro 4

Text
Images
Audio
Video

License

Usage and distribution terms

MiniMax M3 is licensed under MIT, while Solar Pro 4 uses a proprietary license.

License differences may affect how you can use these models in commercial or open-source projects.

MiniMax M3

MIT

Open weights

Solar Pro 4

Proprietary

Closed source

Release Timeline

When each model was launched

MiniMax M3 was released on 2026-06-01, while Solar Pro 4 was released on 2026-08-06.

Solar Pro 4 is 2 months newer than MiniMax M3.

MiniMax M3

Jun 1, 2026

2 months ago

Solar Pro 4

Aug 6, 2026

3 weeks ago

2mo newer

Knowledge Cutoff

When training data ends

Neither model specifies a knowledge cutoff date.

Unable to compare the recency of their training data.

No cutoff dates available

Provider Availability

MiniMax M3 is available from Fireworks, MiniMax, Novita, Together. Solar Pro 4 is available from Upstage.

MiniMax M3

fireworks logo
Fireworks
Input Price:Input: $0.30/1MOutput Price:Output: $1.20/1M
minimax logo
MiniMax
Input Price:Input: $0.30/1MOutput Price:Output: $1.20/1M
novita logo
Novita
Input Price:Input: $0.30/1MOutput Price:Output: $1.20/1M
together logo
Together
Input Price:Input: $0.30/1MOutput Price:Output: $1.20/1M

Solar Pro 4

upstage logo
Unknown Organization
Input Price:Input: $0.30/1MOutput Price:Output: $1.20/1M
* Prices shown are per million tokens

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Judge for yourself.

Run your own prompts against MiniMax M3 and Solar Pro 4 side-by-side, then vote on the output you prefer.

MiniMax M3
✓ Preferred
Solar Pro 4
Open in Playground

FAQ

Common questions about MiniMax M3 vs Solar Pro 4.

Which is better, MiniMax M3 or Solar Pro 4?

MiniMax M3 and Solar Pro 4 are closely matched on the LLM Stats Score at 41.9 and 36.0. MiniMax M3 is made by MiniMax and Solar Pro 4 is made by Upstage. The best choice depends on your use case — compare their capability indexes, individual benchmarks, pricing, and limits above.

How does MiniMax M3 compare to Solar Pro 4 in benchmarks?

MiniMax M3 scores OmniDocBench 1.5: 91.6%, SpreadSheetBench-v1: 89.3%, USAMO 2026: 85.7%, Video-MME: 85.4%, VideoMMMU: 84.6%. Solar Pro 4 scores AIME 2026: 95.3%, GPQA: 89.0%, LiveCodeBench: 87.8%, MMLU-Pro: 86.3%, AA-LCR: 71.0%.

Is MiniMax M3 cheaper than Solar Pro 4?

Both models cost $0.30 per million input tokens.

What are the context window sizes for MiniMax M3 and Solar Pro 4?

MiniMax M3 supports 512K tokens and Solar Pro 4 supports 524K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between MiniMax M3 and Solar Pro 4?

Key differences include LLM Stats Score (41.9 vs 36.0), context window (512K vs 524K), multimodal support (yes vs no), licensing (MIT vs Proprietary). See the full comparison above for benchmark-by-benchmark results.

Who makes MiniMax M3 and Solar Pro 4?

MiniMax M3 is developed by MiniMax and Solar Pro 4 is developed by Upstage.