Model Comparison

MAI-Thinking-1 vs Grok 4.3Which is better in 2026?

Comparing MAI-Thinking-1 and Grok 4.3 across benchmarks, pricing, and capabilities.

Verdict: MAI-Thinking-1 vs Grok 4.3 — which is better?

MAI-Thinking-1 (by Microsoft) and Grok 4.3 (by xAI) 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.

Choose MAI-Thinking-1 if…

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

Choose Grok 4.3 if…

  • you want predictable pricing at $1.25/M input and $2.50/M output

Performance Benchmarks

Comparative analysis across standard metrics

No common benchmarks found

MAI-Thinking-1 and Grok 4.3don't have any common benchmark datasets to compare. They may have been evaluated on different testing suites.

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Grok 4.3 specifies input context (1,000,000 tokens).

Microsoft
MAI-Thinking-1
Input- tokens
Output- tokens
xAI
Grok 4.3
Input1,000,000 tokens
Output- tokens
Fri Jul 17 2026 • llm-stats.com

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

Grok 4.3

Proprietary

Closed source

Release Timeline

When each model was launched

MAI-Thinking-1 was released on 2026-06-02, while Grok 4.3 was released on 2026-05-06.

MAI-Thinking-1 is 1 month newer than Grok 4.3.

MAI-Thinking-1

Jun 2, 2026

1 months ago

3w newer
Grok 4.3

May 6, 2026

2 months ago

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

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

Microsoft

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

xAI
Larger context window (1,000,000 tokens)

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against MAI-Thinking-1 and Grok 4.3 side-by-side, then vote on the output you prefer.

MAI-Thinking-1
✓ Preferred
Grok 4.3
Open in Playground
AI Model Comparison Table
Feature
Microsoft
MAI-Thinking-1
xAI
Grok 4.3

FAQ

Common questions about MAI-Thinking-1 vs Grok 4.3.

Which is better, MAI-Thinking-1 or Grok 4.3?

MAI-Thinking-1 (Microsoft) and Grok 4.3 (xAI) each have strengths in different areas. Compare their benchmark scores, pricing, context windows, and capabilities above to determine which fits your needs.

How does MAI-Thinking-1 compare to Grok 4.3 in benchmarks?

MAI-Thinking-1 scores LongFact: 98.0%, AIME 2025: 97.0%, AIME 2026: 94.5%, GraphWalks: 90.0%, AIR-Bench: 88.0%. Grok 4.3 scores Finance Agent v2: 37.7%, GDPval-AA: 36.7%.

What are the context window sizes for MAI-Thinking-1 and Grok 4.3?

MAI-Thinking-1 supports an unknown number of tokens and Grok 4.3 supports 1.0M tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

Who makes MAI-Thinking-1 and Grok 4.3?

MAI-Thinking-1 is developed by Microsoft and Grok 4.3 is developed by xAI.

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