Model Comparison

Claude Sonnet 5 vs MAI-Code-1-FlashWhich is better in 2026?

Claude Sonnet 5 significantly outperforms across most benchmarks.

Verdict: Claude Sonnet 5 vs MAI-Code-1-Flash — which is better?

Claude Sonnet 5 (by Anthropic) 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.

Claude Sonnet 5 outperforms in 5 benchmarks (Humanity's Last Exam, SWE-bench Multilingual, SWE-Bench Pro, SWE-Bench Verified, Terminal-Bench 2.0), while MAI-Code-1-Flash is better at 0 benchmarks. Claude Sonnet 5 significantly outperforms across most benchmarks.

Choose Claude Sonnet 5 if…

  • you want the strongest raw capability — it leads on 5 of 5 shared benchmarks
  • you want the most recent training data — it shipped Jun 2026

Choose MAI-Code-1-Flash if…

  • you are already invested in the Microsoft ecosystem

Performance Benchmarks

Comparative analysis across standard metrics

5 benchmarks

Claude Sonnet 5 outperforms in 5 benchmarks (Humanity's Last Exam, SWE-bench Multilingual, SWE-Bench Pro, SWE-Bench Verified, Terminal-Bench 2.0), while MAI-Code-1-Flash is better at 0 benchmarks.

Claude Sonnet 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 Claude Sonnet 5 specifies input context (1,000,000 tokens). Only Claude Sonnet 5 specifies output context (64,000 tokens).

Anthropic
Claude Sonnet 5
Input1,000,000 tokens
Output64,000 tokens
Microsoft
MAI-Code-1-Flash
Input- tokens
Output- tokens
Fri Jul 17 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Claude Sonnet 5 supports multimodal inputs, whereas MAI-Code-1-Flash does not.

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

Claude Sonnet 5

Text
Images
Audio
Video

MAI-Code-1-Flash

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.

Claude Sonnet 5

Proprietary

Closed source

MAI-Code-1-Flash

Proprietary

Closed source

Release Timeline

When each model was launched

Claude Sonnet 5 was released on 2026-06-30, while MAI-Code-1-Flash was released on 2026-06-02.

Claude Sonnet 5 is 1 month newer than MAI-Code-1-Flash.

Claude Sonnet 5

Jun 30, 2026

2 weeks ago

4w newer
MAI-Code-1-Flash

Jun 2, 2026

1 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

Anthropic
Larger context window (1,000,000 tokens)
Supports multimodal inputs
Higher Humanity's Last Exam score (57.4% vs 18.0%)
Higher SWE-bench Multilingual score (78.3% vs 65.5%)
Higher SWE-Bench Pro score (63.2% vs 51.2%)
Higher SWE-Bench Verified score (85.2% vs 71.6%)
Higher Terminal-Bench 2.0 score (80.4% vs 54.8%)
Microsoft

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

Detailed Comparison

Interactive Arena

Judge for yourself.

Run your own prompts against Claude Sonnet 5 and MAI-Code-1-Flash side-by-side, then vote on the output you prefer.

Claude Sonnet 5
✓ Preferred
MAI-Code-1-Flash
Open in Playground
AI Model Comparison Table
Feature
Anthropic
Claude Sonnet 5
Microsoft
MAI-Code-1-Flash

FAQ

Common questions about Claude Sonnet 5 vs MAI-Code-1-Flash.

Which is better, Claude Sonnet 5 or MAI-Code-1-Flash?

Claude Sonnet 5 significantly outperforms across most benchmarks. Claude Sonnet 5 is made by Anthropic 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 Claude Sonnet 5 compare to MAI-Code-1-Flash in benchmarks?

Claude Sonnet 5 scores CharXiv-R: 88.3%, ChartMuseum: 86.7%, SWE-Bench Verified: 85.2%, BrowseComp: 84.7%, GDP.pdf: 81.6%. 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 Claude Sonnet 5 and MAI-Code-1-Flash?

Claude Sonnet 5 supports 1.0M 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.

What are the main differences between Claude Sonnet 5 and MAI-Code-1-Flash?

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

Who makes Claude Sonnet 5 and MAI-Code-1-Flash?

Claude Sonnet 5 is developed by Anthropic and MAI-Code-1-Flash is developed by Microsoft.

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