Model Comparison

GPT-5 vs MiniMax M1 40KWhich is better in 2026?

GPT-5 significantly outperforms across most benchmarks.

Verdict: GPT-5 vs MiniMax M1 40K — which is better?

GPT-5 (by OpenAI) and MiniMax M1 40K (by MiniMax) are two of the AI models people compare most. Here is how they stack up on benchmarks, price and capabilities, and which one to pick in 2026.

GPT-5 outperforms in 6 benchmarks (AIME 2025, GPQA, Humanity's Last Exam, Multi-Challenge, OpenAI-MRCR: 2 needle 128k, SWE-Bench Verified), while MiniMax M1 40K is better at 0 benchmarks. GPT-5 significantly outperforms across most benchmarks.

Choose GPT-5 if…

  • you want the strongest raw capability — it leads on 6 of 6 shared benchmarks
  • you want the most recent training data — it shipped Aug 2025

Choose MiniMax M1 40K if…

  • you need open weights you can self-host or fine-tune

Performance Benchmarks

Comparative analysis across standard metrics

6 benchmarks

GPT-5 outperforms in 6 benchmarks (AIME 2025, GPQA, Humanity's Last Exam, Multi-Challenge, OpenAI-MRCR: 2 needle 128k, SWE-Bench Verified), while MiniMax M1 40K is better at 0 benchmarks.

GPT-5 significantly outperforms across most benchmarks.

Sun Jul 26 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only GPT-5 specifies input context (400,000 tokens). Only GPT-5 specifies output context (128,000 tokens).

OpenAI
GPT-5
Input400,000 tokens
Output128,000 tokens
MiniMax
MiniMax M1 40K
Input- tokens
Output- tokens
Sun Jul 26 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

GPT-5 supports multimodal inputs, whereas MiniMax M1 40K does not.

GPT-5 can handle both text and other forms of data like images, making it suitable for multimodal applications.

GPT-5

Text
Images
Audio
Video

MiniMax M1 40K

Text
Images
Audio
Video

License

Usage and distribution terms

GPT-5 is licensed under a proprietary license, while MiniMax M1 40K uses MIT.

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

GPT-5

Proprietary

Closed source

MiniMax M1 40K

MIT

Open weights

Release Timeline

When each model was launched

GPT-5 was released on 2025-08-07, while MiniMax M1 40K was released on 2025-06-16.

GPT-5 is 2 months newer than MiniMax M1 40K.

GPT-5

Aug 7, 2025

11 months ago

1mo newer
MiniMax M1 40K

Jun 16, 2025

1.1 years ago

Knowledge Cutoff

When training data ends

GPT-5 has a documented knowledge cutoff of 2024-09-30, while MiniMax M1 40K's cutoff date is not specified.

We can confirm GPT-5's training data extends to 2024-09-30, but cannot make a direct comparison without MiniMax M1 40K's cutoff date.

GPT-5

Sep 2024

MiniMax M1 40K

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Outputs Comparison

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Key Takeaways

OpenAI
Larger context window (400,000 tokens)
Supports multimodal inputs
Higher AIME 2025 score (94.6% vs 74.6%)
Higher GPQA score (85.7% vs 69.2%)
Higher Humanity's Last Exam score (24.8% vs 7.2%)
Higher Multi-Challenge score (69.6% vs 44.7%)
Higher OpenAI-MRCR: 2 needle 128k score (95.2% vs 76.1%)
Higher SWE-Bench Verified score (74.9% vs 55.6%)
MiniMax
Has open weights

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against GPT-5 and MiniMax M1 40K side-by-side, then vote on the output you prefer.

GPT-5
✓ Preferred
MiniMax M1 40K
Open in Playground
AI Model Comparison Table
Feature
OpenAI
GPT-5
MiniMax
MiniMax M1 40K

FAQ

Common questions about GPT-5 vs MiniMax M1 40K.

Which is better, GPT-5 or MiniMax M1 40K?

GPT-5 significantly outperforms across most benchmarks. GPT-5 is made by OpenAI and MiniMax M1 40K is made by MiniMax. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does GPT-5 compare to MiniMax M1 40K in benchmarks?

GPT-5 scores SWE-Lancer (IC-Diamond subset): 100.0%, COLLIE: 99.0%, Tau2 Telecom: 96.7%, OpenAI-MRCR: 2 needle 128k: 95.2%, AIME 2025: 94.6%. MiniMax M1 40K scores MATH-500: 96.0%, AIME 2024: 83.3%, MMLU-Pro: 80.6%, ZebraLogic: 80.1%, OpenAI-MRCR: 2 needle 128k: 76.1%.

What are the context window sizes for GPT-5 and MiniMax M1 40K?

GPT-5 supports 400K tokens and MiniMax M1 40K supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between GPT-5 and MiniMax M1 40K?

Key differences include multimodal support (yes vs no), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.

Who makes GPT-5 and MiniMax M1 40K?

GPT-5 is developed by OpenAI and MiniMax M1 40K is developed by MiniMax.

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