Model Comparison

Grok Code Fast 1 vs MAI-Code-1-FlashWhich is better in 2026?

MAI-Code-1-Flash significantly outperforms across most benchmarks.

Verdict: Grok Code Fast 1 vs MAI-Code-1-Flash — which is better?

Grok Code Fast 1 (by xAI) and MAI-Code-1-Flash (by Microsoft) 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.

Grok Code Fast 1 outperforms in 0 benchmarks, while MAI-Code-1-Flash is better at 1 benchmark (SWE-Bench Verified). MAI-Code-1-Flash significantly outperforms across most benchmarks.

Choose Grok Code Fast 1 if…

  • you want predictable pricing at $0.20/M input and $1.50/M output

Choose MAI-Code-1-Flash if…

  • you want the strongest raw capability — it leads on 1 of 1 shared benchmarks
  • you want the most recent training data — it shipped Jun 2026

Performance Benchmarks

Comparative analysis across standard metrics

1 benchmarks

Grok Code Fast 1 outperforms in 0 benchmarks, while MAI-Code-1-Flash is better at 1 benchmark (SWE-Bench Verified).

MAI-Code-1-Flash significantly outperforms across most benchmarks.

Tue Jul 21 2026 • llm-stats.com

Arena Performance

Human preference votes

Context Window

Maximum input and output token capacity

Only Grok Code Fast 1 specifies input context (256,000 tokens). Only Grok Code Fast 1 specifies output context (10,000 tokens).

xAI
Grok Code Fast 1
Input256,000 tokens
Output10,000 tokens
Microsoft
MAI-Code-1-Flash
Input- tokens
Output- tokens
Tue Jul 21 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.

Grok Code Fast 1

Proprietary

Closed source

MAI-Code-1-Flash

Proprietary

Closed source

Release Timeline

When each model was launched

Grok Code Fast 1 was released on 2025-08-28, while MAI-Code-1-Flash was released on 2026-06-02.

MAI-Code-1-Flash is 9 months newer than Grok Code Fast 1.

Grok Code Fast 1

Aug 28, 2025

10 months ago

MAI-Code-1-Flash

Jun 2, 2026

1 months ago

9mo 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

Outputs Comparison

Notice missing or incorrect data?Start an Issue discussion→

Key Takeaways

xAI
Larger context window (256,000 tokens)
Microsoft
Higher SWE-Bench Verified score (71.6% vs 70.8%)

Detailed Comparison

Interactive Arena

Judge for yourself.

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

Grok Code Fast 1
✓ Preferred
MAI-Code-1-Flash
Open in Playground
AI Model Comparison Table
Feature
xAI
Grok Code Fast 1
Microsoft
MAI-Code-1-Flash

FAQ

Common questions about Grok Code Fast 1 vs MAI-Code-1-Flash.

Which is better, Grok Code Fast 1 or MAI-Code-1-Flash?

MAI-Code-1-Flash significantly outperforms across most benchmarks. Grok Code Fast 1 is made by xAI and MAI-Code-1-Flash is made by Microsoft. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.

How does Grok Code Fast 1 compare to MAI-Code-1-Flash in benchmarks?

Grok Code Fast 1 scores SWE-Bench Verified: 70.8%. MAI-Code-1-Flash scores AIME 2026: 92.5%, GPQA: 84.6%, IFBench: 75.0%, Tau2 Telecom: 71.7%, SWE-Bench Verified: 71.6%.

What are the context window sizes for Grok Code Fast 1 and MAI-Code-1-Flash?

Grok Code Fast 1 supports 256K tokens and MAI-Code-1-Flash supports an unknown number of tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.

Who makes Grok Code Fast 1 and MAI-Code-1-Flash?

Grok Code Fast 1 is developed by xAI and MAI-Code-1-Flash is developed by Microsoft.

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