Model Comparison

MAI-Thinking-1 vs GPT-5.5Which is better in 2026?

GPT-5.5 significantly outperforms across most benchmarks.

Verdict: MAI-Thinking-1 vs GPT-5.5 — which is better?

MAI-Thinking-1 (by Microsoft) and GPT-5.5 (by OpenAI) 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.

MAI-Thinking-1 outperforms in 0 benchmarks, while GPT-5.5 is better at 3 benchmarks (GPQA, SWE-Bench Pro, Terminal-Bench 2.0). GPT-5.5 significantly outperforms across most benchmarks.

Choose MAI-Thinking-1 if…

  • you want the most recent training data — it shipped Jun 2026

Choose GPT-5.5 if…

  • you want the strongest raw capability — it leads on 3 of 3 shared benchmarks

Performance Benchmarks

Comparative analysis across standard metrics

3 benchmarks

MAI-Thinking-1 outperforms in 0 benchmarks, while GPT-5.5 is better at 3 benchmarks (GPQA, SWE-Bench Pro, Terminal-Bench 2.0).

GPT-5.5 significantly outperforms across most benchmarks.

Fri Jul 17 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only GPT-5.5 specifies input context (1,050,000 tokens). Only GPT-5.5 specifies output context (128,000 tokens).

Microsoft
MAI-Thinking-1
Input- tokens
Output- tokens
OpenAI
GPT-5.5
Input1,050,000 tokens
Output128,000 tokens
Fri Jul 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

GPT-5.5 supports multimodal inputs, whereas MAI-Thinking-1 does not.

GPT-5.5 can handle both text and other forms of data like images, making it suitable for multimodal applications.

MAI-Thinking-1

Text
Images
Audio
Video

GPT-5.5

Text
Images
Audio
Video

License

Usage and distribution terms

Both models are licensed under proprietary licenses.

Both models have usage restrictions defined by their respective organizations.

MAI-Thinking-1

Proprietary

Closed source

GPT-5.5

Proprietary

Closed source

Release Timeline

When each model was launched

MAI-Thinking-1 was released on 2026-06-02, while GPT-5.5 was released on 2026-04-23.

MAI-Thinking-1 is 1 month newer than GPT-5.5.

MAI-Thinking-1

Jun 2, 2026

1 months ago

1mo newer
GPT-5.5

Apr 23, 2026

2 months ago

Knowledge Cutoff

When training data ends

GPT-5.5 has a documented knowledge cutoff of 2025-12-01, while MAI-Thinking-1's cutoff date is not specified.

We can confirm GPT-5.5's training data extends to 2025-12-01, but cannot make a direct comparison without MAI-Thinking-1's cutoff date.

MAI-Thinking-1

GPT-5.5

Dec 2025

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion

Key Takeaways

No standout differentiators in the data we have for this pair.

Larger context window (1,050,000 tokens)
Supports multimodal inputs
Higher GPQA score (93.6% vs 84.2%)
Higher SWE-Bench Pro score (58.6% vs 52.8%)
Higher Terminal-Bench 2.0 score (82.7% vs 46.0%)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against MAI-Thinking-1 and GPT-5.5 side-by-side, then vote on the output you prefer.

MAI-Thinking-1
✓ Preferred
GPT-5.5
Open in Playground
AI Model Comparison Table
Feature
Microsoft
MAI-Thinking-1
OpenAI
GPT-5.5

FAQ

Common questions about MAI-Thinking-1 vs GPT-5.5.

Which is better, MAI-Thinking-1 or GPT-5.5?

GPT-5.5 significantly outperforms across most benchmarks. MAI-Thinking-1 is made by Microsoft and GPT-5.5 is made by OpenAI. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does MAI-Thinking-1 compare to GPT-5.5 in benchmarks?

MAI-Thinking-1 scores LongFact: 98.0%, AIME 2025: 97.0%, AIME 2026: 94.5%, GraphWalks: 90.0%, AIR-Bench: 88.0%. GPT-5.5 scores Tau2 Telecom: 98.0%, ARC-AGI: 95.0%, GPQA: 93.6%, ARC-AGI v2: 85.0%, GDPval-MM: 84.9%.

What are the context window sizes for MAI-Thinking-1 and GPT-5.5?

MAI-Thinking-1 supports an unknown number of tokens and GPT-5.5 supports 1.1M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

What are the main differences between MAI-Thinking-1 and GPT-5.5?

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

Who makes MAI-Thinking-1 and GPT-5.5?

MAI-Thinking-1 is developed by Microsoft and GPT-5.5 is developed by OpenAI.